<RECORD 1>

 

Accession number:20090111830230

Title:New image de-noising method based on multiwavelet transform

Authors:Sun, Wei-Feng (1); He, Jun-Hua (1)

Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Graduate University, Chinese Academy of Sciences, Beijing 100049, China

Corresponding author:Sun, W.-F.(breeze005@163.com)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:11

Issue date:November 2008

Publication year:2008

Pages:2360-2364

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:Comparing with wavelet, discrete multiwavelet has a lot of advantages in image processing, especially in image de-noising and fusion. The method of choosing threshold while using multiwavelet in image de-noising was presented used GHM multiwavelet. A comparision was made between wavelet and multiwavelet in image de-noising. The results show that multiwavelet performs better than wavelet.

Number of references:8

Main heading:Signal to noise ratio

Controlled terms:Acoustic intensity - Image processing - Restoration

Uncontrolled terms:De-noising - Multi-wavelet transforms - Multiwavelet - Reconstruction - Threshold

Classification code:913.5 Maintenance - 751.2 Acoustic Properties of Materials - 741 Light, Optics and Optical Devices - 723.2 Data Processing and Image Processing - 716.1 Information Theory and Signal Processing - 409 Civil Engineering, General - 402 Buildings and Towers

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 2>

 

Accession number:20080911123320

Title:Feedback coupling loss in single mode fiber lasers

Authors:Li, Jianfeng (1); Duan, Kailiang (3); Guo, Yongkang (2); Gao, Fuhua (2); Lin, Xiangdi (2); Wang, Yishan (3); Zhao, Wei (3)

Author affiliation:(1) School of Optoelectronic Information, University of Electronic Science and Technology, Chengdu, 610054, China; (2) Institute of Nano Optics, Department of Physics, Sichuan University, Chengdu, 610064, China; (3) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an, 710119, China

Corresponding author:Duan, K.(lijianfeng3000@sina.com.cn)

Source title:Optics Communications

Abbreviated source title:Opt Commun

Volume:281

Issue:8

Issue date:April 15, 2008

Publication year:2008

Pages:2189-2194

Language:English

ISSN:00304018

CODEN:OPCOB8

Document type:Journal article (JA)

Publisher:Elsevier, P.O. Box 211, Amsterdam, 1000 AE, Netherlands

Abstract:Based on the expansion of the fundamental mode LP<inf>01</inf> in single mode fiber in terms of Laguerre-Gaussian free space modes, the feedback coupling losses for two different types of cavity mirror, i.e., a curvature mirror and a combing mirror of a lens and a plane mirror, are numerically calculated for the first time. The results show that, for the curvature mirror, the lowest coupling loss is obtained when its curvature radius matches the wavefront curvature. In particular, if a plane mirror is used as the cavity mirror, it has to be placed close to the fiber end to obtain the low coupling loss. For the combing mirror, the lowest coupling loss can be obtained when the plane mirror is placed at the back focal plane of the lens, and the variation of the coupling loss is insensitive to the mirror positions for the lens with longer focal length. Finally, the plane mirror and the combing mirror of a lens and a plane mirror are suggested to be the cavity mirror in the practical construction of the high power fiber lasers. &copy; 2007 Elsevier B.V. All rights reserved.

Number of references:15

Main heading:Fiber lasers

Controlled terms:Focusing - High power lasers - Lenses - Mirrors - Optical losses - Single mode fibers

Uncontrolled terms:Cavity mirror - Coupling loss - Focal length - High power fiber lasers

Classification code:741.1.2 Fiber Optics - 741.3 Optical Devices and Systems - 744.1 Lasers, General - 744.4 Solid State Lasers

Treatment:Theoretical (THR)

DOI:10.1016/j.optcom.2007.12.004

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 3>

 

Accession number:20094212377846

Title:Optical system design for the lightweight hybrid refractive - Diffractive midwave infrared imager

Authors:Du, Guang- Qing (1); Xie, Yong-Jun (2); Zhang, Xiao-Lin (1); Zhang, Heng-Jin (2); Qu, En-Shi (2)

Author affiliation:(1) School of Science, Xi'an Jiaotong University, Xi'an 710049, China; (2) Xi'an Institute of Optics and Precision Mechanics of CAS, Xi'an 710119, China

Corresponding author:Du, G.-Q.(duguang214@stu.xjtu.edu.cn)

Source title:Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering

Abbreviated source title:Hongwai yu Jiguang Gongcheng Infrared Laser Eng.

Volume:37

Issue:5

Issue date:October 2008

Publication year:2008

Pages:843-846

Language:Chinese

ISSN:10072276

Document type:Journal article (JA)

Publisher:Chinese Society of Astronautics, P.O. Box 225-32, Tianjin, 300192, China

Abstract:Based on a conventional refractive middle wave infrared imager, a lightweight Hybrid Refractive-Diffractive (HRD) infrared optical system was designed with the CODE V software. The HRD system was all made by silicon. The diffractive surface was designed on the polyethylene coat of a silicon lens. The optical parameters of the HRD system were that focal length f&prime; was 150 mm, F-number was F/2.0, full field-of-view 2 &omega; was 4.6&deg;, and its wavelength range was from 3.7 &mu;m to 4.8 &mu;m. The surface profile parameter of the diffractive optical element was computated accurately. It was shown that the minimum value of its diffractive groove spacing was 1 405.2 &mu;m. The aberration characteristics of the conventional refractive and the designed HRD imagers were compared. The results show that the image quality of the HRD system is significantly improved,and the HDR imager weighs only 40 percents of the conventional one.

Number of references:10

Main heading:Image sensors

Controlled terms:Aberrations - Image quality - Optical sensors - Optical systems

Uncontrolled terms:Diffractive surface - Diffractive surfaces - Focal lengths - Full-field - Groove spacings - Hybrid refractive-diffractive(HRD) - Imagers - Infrared imagers - Infrared optical systems - Midwave infrared  - Midwave infrared imager- - Minimum value - Optical parameter - Optical system designs - Surface profiles - Wavelength ranges

Classification code:732.2 Control Instrumentation - 741 Light, Optics and Optical Devices - 741.3 Optical Devices and Systems - 801 Chemistry - 941.3 Optical Instruments - 941.4 Optical Variables Measurements

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 4>

 

Accession number:20090611901679

Title:Yb³⁺-doped fluoride lead silicate glasses

Authors:Zou, Kuai-Sheng (1); Lu, Min (1); Xiang-Li, Bin (1); He, Jun-Fang (1); Guo, Hai-Tao (1); Wei, De-Liang (1); Li, Wei-Nan (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Graduate University, Chinese Academy of Sciences, Beijing 100049, China

Corresponding author:Zou, K.-S.

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:12

Issue date:December 2008

Publication year:2008

Pages:2504-2507

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:A kind of fuloride lead silicate laser glass with the composition of (80-x)SiO<inf>2</inf> &middot xPbO &middot (17~19) (R<inf>2</inf>O + RF) &middot (1~3)Yb<inf>2</inf>O<inf>3</inf> (R=Li, Na, K) (mol%) was prepared by conventional melt-quenching method. The absorption and emission spectra properites of sampls were measured, and its stimulated emission crosse section (&sigma;emi) of Yb³⁺: ²F<inf>5/2</inf> &rarr ²F<inf>7/2</inf> transition in samples is calculated by McCumber theory. The results indicate that the &sigma;<inf>emi</inf> of glass at 1013nm is 0.21 &times; 10^-20cm², and its fluorescence effective linewidth is about 94.8 nm, its fluorence lifetime is 2.36 ms. Those parameters shows that the studied glass is an excellent laser glass for ultrashort and high energy pulse laser genertation and amplification.

Number of references:15

Main heading:Pulsed laser applications

Controlled terms:Amplification - Emission spectroscopy - Glass - Lasers - Light propagation - Programming theory - Quenching - Silicates - Silicon compounds - Sodium  - Ultrashort pulses - Ytterbium

Uncontrolled terms:Emission spectrums - Fluorescence effective linewidths - Fuloride lead silicate - High-energy pulse - High-energy ultrashort pulse laser - Lead-silicate glass - Mccumber theories - Melt-quenching methods - Spectral characteristics - Yb³⁺-doped laser glass

Classification code:931.3 Atomic and Molecular Physics - 741.1 Light/Optics - 744.1 Lasers, General - 744.9 Laser Applications - 801 Chemistry - 804.1 Organic Compounds - 804.2 Inorganic Compounds - 812 Ceramics, Refractories and Glass - 812.3 Glass - 723.1 Computer Programming - 414 Masonry Materials - 482.2 Minerals - 537.1 Heat Treatment Processes - 721.1 Computer Theory, Includes Formal Logic, Automata Theory, Switching Theory, Programming Theory - 547.2 Rare Earth Metals - 712.1.2 Compound Semiconducting Materials - 713.1 Amplifiers - 549.1 Alkali Metals

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 5>

 

Accession number:20084611708222

Title:Experimental study on 30.4 nm extreme ultraviolet imaging detector

Authors:Zhu, Xiangping (1); Zhao, Baosheng (1); Liu, Yongan (1); Miao, Zhenhua (1); Zhang, Xinghua (1); Zou, Wei (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Graduate University, Chinese Academy of Sciences, Beijing 100039, China

Corresponding author:Zhu, X.(xpzhu@opt.ac.cn)

Source title:Guangxue Xuebao/Acta Optica Sinica

Abbreviated source title:Guangxue Xuebao

Volume:28

Issue:10

Issue date:October 2008

Publication year:2008

Pages:1925-1929

Language:Chinese

ISSN:02532239

CODEN:GUXUDC

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:The experimental result of the newly developed 30.4 nm extreme ultraviolet imaging detector was reported in detail, which adopted wedge strip and zigzag anode (WSA), V-stack high-gain microchannel plate (MCP) components, low-noise electronic readout system, and other advanced techniques. Simulated images were obtained successfully by using the single-photon counting imaging technique in the laboratory. The experimental setup system was established and the detector imaging linearity, resolution, the dark count rates etc are studied. The research shows that the detector has an effective area of 45 mm in diameter, spatial resolution better than 100 &mu;m, and low dark count rates about 0.4 count/(cm²&middots), with good image linearity and simple structure.

Number of references:11

Main heading:Detectors

Controlled terms:Avalanche photodiodes - Experiments - Image storage tubes - Imaging techniques - Laser pulses - Linearization - Particle beams - Photons - Plates (structural components) - Ultraviolet devices

Uncontrolled terms:30.4 nm extreme ultraviolet - Microchanel plate (MCP) - Single-photon counting imaging - Ultraviolet detection - Wedge strip and zigzag anode (WSA) detector

Classification code:744.1 Lasers, General - 746 Imaging Techniques - 901.3 Engineering Research - 914 Safety Engineering - 921 Mathematics - 931.3 Atomic and Molecular Physics - 932.1 High Energy Physics - 741.3 Optical Devices and Systems - 408.2 Structural Members and Shapes - 714.1 Electron Tubes - 714.2 Semiconductor Devices and Integrated Circuits - 723.2 Data Processing and Image Processing - 731.1 Control Systems - 741 Light, Optics and Optical Devices - 741.1 Light/Optics

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 6>

 

Accession number:20081911244506

Title:Parameter design and technics optimization of wedge and strip anodes collector

Authors:Miao, Zhen-Hua (1); Zhao, Bao-Sheng (1); Liu, Yong-An (1); Zhu, Xiang-Ping (1); Zhang, Xing-Hua (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Graduate University, Chinese Academy of Sciences, Beijing 100049, China

Corresponding author:Miao, Z.-H.(zhenhua_miao@hotmail.com)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:1

Issue date:January 2008

Publication year:2008

Pages:11-16

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:The effect of many parameters for WSA collector on the primary performance indexes of detector were analysed, a design method of circular collector was studied. A corresponding implementary scheme on technics was proposed and optimized. On these basises, two circular collectors, one's electrode thickness is 1&mu;m and the other's is 2&mu;m, have been designed and factured. The detecting area of the two collectors are &Phi;48 mm, the periods are 1.2 mm, and the widths of insulating gap are 30&mu;m. It is proved that all above proposed methods are correct and the implementary scheme on technics, electroplating after photo-lithography and chemical etching, is feasible by measuring, analysing, and imaging test.

Number of references:9

Main heading:Photoelectric devices

Controlled terms:Detectors - Electroplating - Etching - Optimization - Photolithography

Uncontrolled terms:Anode detector - Chemical etching - Parameter design - Technics optimization - Wedge and strip (WSA) anodes collector

Classification code:714.2 Semiconductor Devices and Integrated Circuits - 741.3 Optical Devices and Systems - 802.2 Chemical Reactions

Treatment:Experimental (EXP)

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 7>

 

Accession number:20080911123350

Title:A novel model for obtaining interferogram and spectrum based on the temporarily and spatially mixed modulated polarization interference imaging spectrometer

Authors:Zhang, ChunMin (1); Yan, XinGe (1); Zhao, Baochang (3)

Author affiliation:(1) School of Science, Xi'an Jiaotong University, Xi'an, 710049, China; (2) Huawei Technologies Co., Ltd., Shenzhen, 518129, China; (3) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an, 710068, China

Corresponding author:Zhang, C.(zcm@mail.xjtu.edu.cn)

Source title:Optics Communications

Abbreviated source title:Opt Commun

Volume:281

Issue:8

Issue date:April 15, 2008

Publication year:2008

Pages:2050-2056

Language:English

ISSN:00304018

CODEN:OPCOB8

Document type:Journal article (JA)

Publisher:Elsevier, P.O. Box 211, Amsterdam, 1000 AE, Netherlands

Abstract:Based on the temporarily and spatially mixed modulated polarization interference imaging spectrometer (TSMPIIS) developed by us, a novel model for obtaining interferogram and spectrum is proposed. The interference data arrays acquired with this model are analyzed, and the method for combining a series of interferograms at different moments is illuminated in detail. Furthermore, the interferograms of monochromatic light and polychromatic light obtained by TSMPIIS are processed. The satisfying interferogram and reconstructed spectrums show the superiority of this detection model, such as wide field of view, high detection sensitivity and high throughput, etc. &copy; 2008.

Number of references:20

Main heading:Imaging systems

Controlled terms:Mathematical models - Polarization - Sensitivity analysis - Spectrometers - Spectrum analysis

Uncontrolled terms:Interferograms - Spatially mixed modulated polarization interference

Classification code:701.1 Electricity: Basic Concepts and Phenomena - 741.3 Optical Devices and Systems - 746 Imaging Techniques - 921 Mathematics - 941 Acoustical and Optical Measuring Instruments

Treatment:Theoretical (THR)

DOI:10.1016/j.optcom.2007.12.092

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 8>

 

Accession number:20090611901696

Title:Noise reflection for IBIS5-A-1300 CMOS image sensor

Authors:Hu, Xiao-Dong (1); Yao, Lan (1); Peng, Xin (1)

Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanies, Chinese Academy of Sciences, Xi'an 710119, China; (2) Graduate University, Chinese Academy of Sciences, Beijing 100049, China

Corresponding author:Hu, X.-D.(skyscoo@126.com)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:12

Issue date:December 2008

Publication year:2008

Pages:2576-2579

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:In oder to improve on image quality of APS CMOS image sensor, a advanced timing method was proposed based on analyze of standard timing. Experimental and aimulative results show that the method is applicable for noise reflection and further improving the images quality.

Number of references:6

Main heading:Image sensors

Controlled terms:Automobile drivers - Digital cameras - Digital image storage - Image quality - Reflection - Sensors - Time measurement

Uncontrolled terms:CMOS image sensor - Ibis5-a-1300 - Noise reflection - Timing driver

Classification code:912.4 Personnel - 801 Chemistry - 742.2 Photographic Equipment - 741.3 Optical Devices and Systems - 741.1 Light/Optics - 943.3 Special Purpose Instruments - 741 Light, Optics and Optical Devices - 722.4 Digital Computers and Systems - 722.1 Data Storage, Equipment and Techniques - 711 Electromagnetic Waves - 432 Highway Transportation - 732.2 Control Instrumentation

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 9>

 

Accession number:20140917387115

Title:Multifunctional darkfield microscopy using an axicon

Authors:Lei, Ming (1); Yao, Baoli (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'An Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, No. 17 Xinxi Road, Xi'an, ShanXi 710119, China

Corresponding author:Lei, M.(leiming@opt.ac.cn)

Source title:Journal of Biomedical Optics

Abbreviated source title:J Biomed Opt

Volume:13

Issue:4

Issue date:July/August 2008

Publication year:2008

Article number:044024

Language:English

ISSN:10833668

E-ISSN:15602281

CODEN:JBOPFO

Document type:Journal article (JA)

Publisher:SPIE, P.O. Box 10, Bellingham, WA 98227-0010, United States

Abstract:We present a multifunctional darkfield microscopy using an axicon. It combines the functions of a darkfield microscope, fluorescence microscope, and microspectrophotometer in one platform. The advantage of the system over conventional darkfield microscopy includes the high transmittance of the illuminating flux, the high contrast of the image, and the convenient toggle between darkfield and brightfield microscopy. Examples of dark, bright, and fluorescent micrographs as well as concerned spectra of microsized specimens implemented in this apparatus are demonstrated. &copy; 2008 Society of Photo-Optical Instrumentation Engineers.

Number of references:12

Main heading:Fluorescence

Controlled terms:Fluorescence microscopy

Uncontrolled terms:Axicon - Bright-field microscopy - Dark field microscopy - Dark-field - High contrast - High transmittance - Micro-sized specimens - Microspectrophotometers

Classification code:461.9.1 Immunology - 741.1 Light/Optics

DOI:10.1117/1.2960019

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 10>

 

Accession number:20102012943155

Title:Novel polarization interference imaging spectroscope

Authors:Zhang, Chunmin (1); Zhao, Baochang (2); Li, Yingcai (2); Yuan, Zhilin (1); Jian, Xiaohua (1); Zhu, Lanyan (1)

Author affiliation:(1) School of Science, Xi'An Jiaotong University, Xi'An, China; (2) Xi'An Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, China

Corresponding author:Zhang, C.(zcm@mail.xjtu.edu.cn)

Source title:Proceedings of the 2008 International Conference on Advanced Infocomm Technology, ICAIT '08

Abbreviated source title:Proc. Int. Conf. Adv. Infocomm Technol., ICAIT

Monograph title:Proceedings of the 2008 International Conference on Advanced Infocomm Technology, ICAIT '08

Issue date:2008

Publication year:2008

Article number:140

Language:English

ISBN-13:9781605580883

Document type:Conference article (CA)

Conference name:2008 International Conference on Advanced Infocomm Technology, ICAIT '08

Conference date:July 29, 2008 - July 31, 2008

Conference location:Shenzhen, China

Conference code:80346

Publisher:Association for Computing Machinery, 1515 Broadway, 17th Floor, New York, NY 10036-5701, United States

Abstract:A novel principle and scheme of Polarization Interferometer Imaging Spectroscope has been proposed. A wide-field-of-view polarization Interference imaging spectrometer (WPIIS) based on a Savart polariscope, without moving parts, and with a narrow slit has been designed and developed. The primary feature of the WPIIS is the target image as well as the interferogram and polarization information can be obtained at the same time in the spatial domain and are recorded by a two-dimensional CCD camera. The field of view of the WPIIS will be extend 3-5 times as large as a common interference imaging spectrometer, and the throughput will raise 1 &sim; 2 orders of magnitude. The total optics is as small as 531.1 X 150 X 243mm³ in size, and 5.5kg in mass, the spectral resolution of the prototype system is 81.38cm^-1 between 0.48&mu;m and 0.96&mu;m (=480nm, &Delta; =1.87nm =960nm, &Delta; =7.5nm). The WPIIS has advantages of ultra-compact size, wide field of view, high throughput and without any moving parts. The optics system and especially principle is described, and the experimental result of the Interference Imaging spectrum is show. Copyright &copy; 2008 ACM.

Number of references:25

Main heading:Polarization

Controlled terms:Cameras - Interferometers - Polariscopes - Ray tracing - Signal to noise ratio - Spectrometers - Spectrometry - Throughput

Uncontrolled terms:Compact size - Field of views - High throughput - Interference imaging - Interferograms - Modulation depth - Moving parts - Narrow slits - Optics systems - Orders of magnitude  - Polarization interferometer - Prototype system - Savart polariscope - SNR - Spatial domains - Target images - Two-dimensional CCD - Wide field of view - Wide-field

Classification code:941.3 Optical Instruments - 913.3 Quality Assurance and Control - 912.2 Management - 801 Chemistry - 742.2 Photographic Equipment - 941.4 Optical Variables Measurements - 741.3 Optical Devices and Systems - 723.5 Computer Applications - 716.1 Information Theory and Signal Processing - 711.1 Electromagnetic Waves in Different Media - 701.1 Electricity: Basic Concepts and Phenomena - 741.1 Light/Optics

DOI:10.1145/1509315.1509455

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 11>

 

Accession number:20081011137275

Title:Interactive road network extraction from residential area of high-resolution remote sensing images

Authors:Zhang, Dao-Bing (0); Liu, Lin-Lin (0); Lin, Yin (0); Liu, Bo (0); Wang, Hong-Qi (0)

Corresponding author:Zhang, D.-B.(gistty@sina.com)

Corr. author affiliation:Xi'an Institute of Optics and Precision Mechanical, CAS, Xi'an 710068, China

Source title:Guangxue Jishu/Optical Technique

Abbreviated source title:Guangxue Jishu

Volume:34

Issue:1

Issue date:January 2008

Publication year:2008

Pages:126-129+132

Language:Chinese

ISSN:10021582

CODEN:GJISEP

Document type:Journal article (JA)

Publisher:Optical Technique, Beijing, China

Abstract:An interactive algorithm based on marked point process for extracting road network is proposed. The method rebuilds prior term and data term in bayes framework on the basis of initial configuration for fitting road network in high-resolution images. Local road segments are supposed to be lines in the model, and the measurement in the data term is based on new defined vector distance. Experiment results demonstrate the algorithm's effectiveness in extracting road network from high-resolution images.

Number of references:6

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 12>

 

Accession number:20082411306606

Title:Fabrication and experimental observation of monolithic multi-air-core fiber array for image transmission

Authors:Wang, Jian (1); Yang, Xinghua (1); Wang, Lili (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Information road 17, Xi'an, Shannxi, 710119, China

Corresponding author:Wang, L.(Wangll@opt.ac.cn)

Source title:Optics Express

Abbreviated source title:Opt. Express

Volume:16

Issue:11

Issue date:May 26, 2008

Publication year:2008

Pages:7703-7708

Language:English

E-ISSN:10944087

Document type:Journal article (JA)

Publisher:Optical Society of America, 2010 Massachusetts Ave, NW, Washington, DC, DC 20036-1023, United States

Abstract:Two kinds of multi-air-core optical fibers were designed and fabricated by extruding optical grade PMMA pellets and drawing to fiber. The imaging function of the fibers was investigated with home-made specialized microscopy. This new type of fiber provides strong potential for applications in endoscopy, chemical sensing, biosensors, fiber-optical faceplates. &copy;2008 Optical Society of America.

Number of references:12

Main heading:Optical fiber fabrication

Controlled terms:Endoscopy - Image communication systems - Microscopic examination - Optical fibers

Uncontrolled terms:Fiber-optical faceplates - Monolithic multi-air-core fiber arrays

Classification code:461.6 Medicine and Pharmacology - 741.1.2 Fiber Optics - 746 Imaging Techniques

Treatment:Theoretical (THR); Experimental (EXP)

DOI:10.1364/OE.16.007703

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 13>

 

Accession number:20084211645266

Title:Dynamic properties of photoinduced anisotropy of diarylethene

Authors:Chen, Li-Ju (0); Yao, Bao-Li (0); Han, Jun-He (0); Gao, Peng (0); Chen, Yi (0); Wang, Ying-Li (0); Lei, Ming (0)

Corresponding author:Chen, L.-J.

Corr. author affiliation:State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Acad. of Sci., Xi'an 710119, China

Source title:Wuli Xuebao/Acta Physica Sinica

Abbreviated source title:Wuli Xuebao

Volume:57

Issue:9

Issue date:September 2008

Publication year:2008

Pages:5571-5577

Language:Chinese

ISSN:10003290

CODEN:WLHPAR

Document type:Journal article (JA)

Publisher:Science Press, Beijing, 100085, China

Abstract:A theoretical model has been put forward to describe the dynamic properties of photoinduced anisotropy in photochromic diarylethene/PMMA film. The kinetic curves of molecule concentration, photoinduced dichroism and birefringence are calculated under the condition of excitation by linearly polarized light. The results show that the color molecule concentration decreases with the increase of the excitation exposure until the saturation point is reached. The photoinduced anisotropy increases to a maximum and then decreases with the exposure increasing. The optimal exposure is 260 J/cm². Using the orthogonal polarization detection, the transmittance of probe beam reflecting the anisotropy is measured. The experimental result and the theoretical calculation are essentially consistent.

Number of references:24

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 14>

 

Accession number:20084011619615

Title:Preparation of nanometer silicon carbide powders by Sol-Gel processing

Authors:Wu, Zhao (1); Zhang, Zhiyong (1); Yan, Junfeng (1); Zhai, Chunxue (1); Yun, Jiangni (1)

Author affiliation:(1) School of Information Science and Technology, Northwest University, Shaanxi 710069, China; (2) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Science, Shaanxi 710068, China

Corresponding author:Wu, Z.

Source title:2008 2nd IEEE International Nanoelectronics Conference, INEC 2008

Abbreviated source title:IEEE Int. Nanoelectronics Conf., INEC

Monograph title:2008 2nd IEEE International Nanoelectronics Conference, INEC 2008

Issue date:2008

Publication year:2008

Pages:394-396

Article number:4585513

Language:English

ISBN-13:9781424415731

Document type:Conference article (CA)

Conference name:2008 2nd IEEE International Nanoelectronics Conference, INEC 2008

Conference date:March 24, 2008 - March 27, 2008

Conference location:Shanghai, China

Conference code:73562

Publisher:Inst. of Elec. and Elec. Eng. Computer Society, 445 Hoes Lane - P.O.Box 1331, Piscataway, NJ 08855-1331, United States

Abstract:Nanometer silicon carbide powders are synthesized by sol-gel and carbothermal reduction processing with TEOS(tetraethoxysilane, (C <inf>2</inf>H<inf>5</inf>)<inf>4</inf>SiO<inf>4</inf>)) and saccharose (C <inf>12</inf>H<inf>22</inf>O<inf>11</inf>) as starting materials. Silica sol is prepared by hydrolyzed TEOS with deionized water, ethanol (CH<inf>3</inf>CH <inf>2</inf>OH) as cosolvent and hydrochloric acid as catalyst. It further dehydrated to make colorless and transparent gel and dried to obtain drying gel at 40&deg;C. Carbothermal reduction of the prepared silica/ saccharose composites is carried out in argon atmosphere of 500 Pa in a high vacuum furnace at temperatures ranging from 1200&deg;C to 1500&deg;C to form powders. The surface morphology and crystal structure of nanometer SiC powders have been investigated using X-ray diffraction (XRD), atomic force microscopy (AFM) and Raman spectrum. Experimental results show that the samples have better crystalline state and its typical diameters reach nanometer magnitude. &copy; 2008 IEEE.

Number of references:12

Main heading:Carbothermal reduction

Controlled terms:Colloids - Crystals - Electronics engineering - Gelation - Gels - Nanoelectronics - Nonmetals - Powders - Silicon - Silicon carbide  - Sol-gel process - Sol-gels - Sols

Uncontrolled terms:Carbide powders - Nanometer silicon - Reduction processing - Silicon carbide powders - Sol-gel - Sol-gel processing - Tetra ethoxy silane

Classification code:812.3 Glass - 804.2 Inorganic Compounds - 804 Chemical Products Generally - 802.3 Chemical Operations - 933.1 Crystalline Solids - 801.3 Colloid Chemistry - 713 Electronic Circuits - 549.3 Nonferrous Metals and Alloys excluding Alkali and Alkaline Earth Metals - 536 Powder Metallurgy - 761 Nanotechnology

DOI:10.1109/INEC.2008.4585513

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

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Accession number:20083511494022

Title:Study on optical centering of aspheric mirror by interferometry

Authors:Ma, Zhen (1); Li, Ying-Cai (1); Fan, Xue-Wu (1); Chen, Rong-Li (1); Duan, Xue-Ting (1)

Author affiliation:(1) Xi'an Institute of Precision Optics and Mechanics, CAS, Xi'an 710119, China; (2) Graduate University, CAS, Beijing 100039, China

Corresponding author:Ma, Z.(mazn@opt.ac.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:7

Issue date:July 2008

Publication year:2008

Pages:1455-1458

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:The vertex off-centering error and curvature center off-centering error are defined according to the unique optical axis of aspheric mirror. Error budget estimation about conventional centering method shows that it cannot be used to control the vertex off-centering error, so interferometric method was suggested. After some theory and simulation are discussed, it shows that there is linearity relationship between the vertex off-centering error and the off-centering coma, and that the sensitivity of the linearity is in proportion to the aspheric gradient of the surface, so the interferometric method can control the two off-centering error of aspheric optic with an accuracy about 0.02 mm.

Number of references:10

Main heading:Budget control

Controlled terms:Geodetic satellites - Interferometry - Linearization - Mirrors - Sensitivity analysis

Uncontrolled terms:Asphere mirror - Aspheric - Curvature center - Error budgeting - Off-centering coma - Optical axes - Optical centring - Optical-

Classification code:405.3 Surveying - 731.1 Control Systems - 741.3 Optical Devices and Systems - 911 Cost and Value Engineering; Industrial Economics - 921 Mathematics - 941.4 Optical Variables Measurements

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

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Accession number:20080611089021

Title:Modeling and effects of ion pairs in high-concentration erbium-doped fiber lasers

Authors:Li, Jianfeng (1); Duan, Kailiang (2); Wang, Yishan (2); Zhao, Wei (2); Zhu, Jianhua (1); Guo, Yongkang (1); Lin, Xiangdi (1)

Author affiliation:(1) Institute of Nano Optics, Department of Physics, Sichuan University, Chengdu, China; (2) State Key Laboratory of Transient Optics and Photonics, Xi'An Institute of Optics and Precision Mechanics, Xi'an, China

Corresponding author:Li, J.(lijianfeng3000@sina.com.cn)

Source title:Journal of Modern Optics

Abbreviated source title:J. Mod. Opt.

Volume:55

Issue:3

Issue date:February 2008

Publication year:2008

Pages:447-458

Language:English

ISSN:09500340

E-ISSN:13623044

CODEN:JMOPEW

Document type:Journal article (JA)

Publisher:Taylor and Francis Ltd., 4 Park Square, Milton Park, Abingdon, Oxfordshire, OX14 4RN, United Kingdom

Abstract:According to the modeling of ion pairs in high-concentration erbium-doped fiber lasers, a closed form rate and power evolution equations containing isolated ions and ion pairs are constructed. Based on the equations, the effects of ion pairs on the output performance of high-concentration erbium-doped fiber lasers for low Q and high Q laser cavity in three different pump modes are analyzed numerically. The results show that with the increasing percentage of ion pairs, the output power and the slope efficiency decrease, and the threshold increases for each pump mode. Meanwhile, the backward pump mode is proved to be the best pump mode and the deleterious effects of ion pairs for low Q laser cavity is proved to be smaller than that for high Q laser cavity.

Number of references:16

Main heading:Fiber lasers

Controlled terms:Computer simulation - Ions - Laser resonators - Numerical analysis

Uncontrolled terms:Erbium-doped fiber lasers - Ion pairs - Pair-induced quenching (PIQ) - Rate equations

Classification code:723.5 Computer Applications - 744.4 Solid State Lasers - 744.7 Laser Components - 921.6 Numerical Methods - 931.3 Atomic and Molecular Physics

Treatment:Theoretical (THR); Experimental (EXP)

DOI:10.1080/09500340701477776

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 17>

 

Accession number:20084611696341

Title:Phase-locking of two photonic crystal fibre lasers by mutual injection scheme

Authors:Wang, J. (1); Duan, K. (1); Zhao, Z. (1); Wang, Y. (1); Zhao, W. (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Chinese Academy of Sciences, Xi'An Institute of Optics and Precision Mechanics, Xi'an, China; (2) Graduate School of the Chinese, Academy of Sciences, Beijing 100049, China

Corresponding author:Duan, K.(kl.duan@163.com)

Source title:Electronics Letters

Abbreviated source title:Electron. Lett.

Volume:44

Issue:23

Issue date:2008

Publication year:2008

Pages:1347-1349

Language:English

ISSN:00135194

CODEN:ELLEAK

Document type:Journal article (JA)

Publisher:Institution of Engineering and Technology, Six Hills Way, Stevenage, SG1 2AY, United Kingdom

Abstract:A simple and compact scheme for the phase-locking of two photonic crystal fibre (PCF) lasers is presented and studied experimentally. In the experiments, the two PCF lasers are mutually injected by direct transmission coupling of the fibre lasers. The interference strips are of high contrast ratio and stability even in high power operation. 39W coherent output power is obtained with combining efficiency of 97.2. &copy; 2008 The Institution of Engineering and Technology.

Number of references:9

Main heading:Lasers

Controlled terms:Crystal atomic structure - Crystal whiskers - Fiber lasers - Photonic crystals - Powders

Uncontrolled terms:Combining efficiencies - Compact schemes - Direct transmissions - Fibre lasers - High contrast ratios - High powers - Interference strips - Mutual injections - Output powers - Pcf lasers  - Photonic crystal fibre lasers - Photonic crystal fibres

Classification code:933.1.1 Crystal Lattice - 933.1 Crystalline Solids - 931.3 Atomic and Molecular Physics - 804 Chemical Products Generally - 801.4 Physical Chemistry - 744.4 Solid State Lasers - 744.1 Lasers, General - 741.3 Optical Devices and Systems - 741.1.2 Fiber Optics - 536 Powder Metallurgy - 531.2 Metallography

DOI:10.1049/el:20082176

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 18>

 

Accession number:20081811226723

Title:Fifth-order phase-sensitive detection of ultrafast polarization beats in cascade four-level system

Authors:Nie, Zhi-Qiang (1); Li, Pei-Zhe (1); Yu, Xiao-Jun (1); Zhang, Yan-Peng (1); Jiang, Tong (1); Li, Ling (1); Gan, Chen-Li (2); Zuo, Cui-Cui (1); Zhang, Peng-Fei (1); Song, Jian-Ping (1); Lu, Ke-Qing (3)

Author affiliation:(1) Key Laboratory for Physical Electronics and Devices, Ministry of Education, Xi'An Jiaotong University, Xi'an 710049, China; (2) Department of Physics, University of Arkansas, Fayetteville, AK 72701, United States; (3) State Key Laboratory of Transient Optics and Technology, Xi'An Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China

Corresponding author:Zhang, Y.-P.(ypzhang@mail.xjtu.edu.cn)

Source title:Chinese Physics B

Abbreviated source title:Chin. Phys.

Volume:17

Issue:3

Issue date:March 1, 2008

Publication year:2008

Pages:978-987

Language:English

ISSN:16741056

Document type:Journal article (JA)

Publisher:Institute of Physics Publishing, Temple Back, Bristol, BS1 6BE, United Kingdom

Abstract:We study the colour-locked twin-noisy-field correlation effects in the fifth-order nonlinear susceptibility of ultrafast polarization beats in a cascade four-level system. More importantly, the fifth-order phase-sensitive heterodyne detection of ultrafast polarization beats has been exploited. The fifth-order nonlinear optical response can be controlled and modified through the colour-locked correlation of twin noisy fields. Thus, this method with the phase dispersion information is a good way to measure the real and imaginary parts of the fifth-order nonlinear susceptibility. &copy; 2008 Chin. Phys. Soc. and IOP Publishing Ltd.

Number of references:19

Main heading:Light polarization

Controlled terms:Dispersion (waves) - Nonlinear optics - Optical correlation - Optical systems

Uncontrolled terms:Nonlinear susceptibility - Phase-sensitive detection - Ultrafast polarization beat

Classification code:711.1 Electromagnetic Waves in Different Media - 741.1 Light/Optics - 741.1.1 Nonlinear Optics - 741.3 Optical Devices and Systems

Treatment:Theoretical (THR)

DOI:10.1088/1674-1056/17/3/039

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 19>

 

Accession number:20084611702677

Title:Experimental study of characteristics of high power photonic crystal fiber amplifier

Authors:Zhao, Zhen-Yu (0); Duan, Kai-Liang (0); Wang, Jian-Ming (0); Zhao, Wei (0); Wang, Yi-Shan (0)

Corresponding author:Zhao, Z.-Y.(zhaozhenyu513@163.com)

Corr. author affiliation:State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China

Source title:Wuli Xuebao/Acta Physica Sinica

Abbreviated source title:Wuli Xuebao

Volume:57

Issue:10

Issue date:October 2008

Publication year:2008

Pages:6335-6339

Language:Chinese

ISSN:10003290

CODEN:WLHPAR

Document type:Journal article (JA)

Publisher:Science Press, Beijing, 100085, China

Abstract:The gain characterization of photonic crystal fiber amplifier is theoretically and experimentally studied by using reverse pumping technique. The gain curves for different pumping powers and different signal lights are obtained experimentally. When the power of the probe light is 6 W and the pump power is 160 W, the output power up to 104 W, has been achieved eventually. It is found in the experiment that when the pump power is increased over a certain value, the output of the amplifier evolves into the unstable state, which in turn degrades the system performance.

Number of references:13

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 20>

 

Accession number:20083011401762

Title:An improved iris location algorithm based on sampling to special regions of interesting (ROI)

Authors:Liu, Yang (1); Li, Xia (3); Wang, Na (3); Wang, Qing-Hua (3); Peng, Wen-Da (4)

Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Graduate University, Chinese Academy of Sciences, Beijing 100039, China; (3) College of Information Engineering, Shenzhen University, Shenzhen 518060, China; (4) Institute of Optoelectronics, Shenzhen University, Shenzhen 518060, China

Corresponding author:Liu, Y.(lyphy2002@sina.com)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:6

Issue date:June 2008

Publication year:2008

Pages:1277-1280

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:According to the characteristics of the iris image, a new algorithm, which takes the center of the pupil as a reference point to sample the special region of interest (ROI) of iris image is proposed. This algorithm also designs the radius parameters of Hough transform based on the physiological character of iris, and it chooses the best matching result that was achieved from Hough transform, for the inner and outer circles of an iris are approximately concentric. This algorithm is helpful to avoid the interference of eyelid and eyelash and reduce the calculation of Hough transform remarkably. The 108 groups iris location test by using the images of CASIA was finished. The result shows that the average location time is 0.83 s, and the location accuracy rate is as high as 98.9%.

Number of references:10

Main heading:Mathematical transformations

Controlled terms:Boolean functions - Hough transforms - Physiological models

Uncontrolled terms:Concentric (CO) - Iris images - Iris location - Location accuracy - New algorithm - Reference point (RP) - Region -of-interest (ROI)

Classification code:461.1 Biomedical Engineering - 721.1 Computer Theory, Includes Formal Logic, Automata Theory, Switching Theory, Programming Theory - 921.3 Mathematical Transformations

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 21>

 

Accession number:20090711906902

Title:Research of optimized parallel dual-buffer algorithm of map display based on embedded system

Authors:Liu, Ai-Long (1); Zhang, Dong (2); Tian, Yan (3); Chen, Tao (2); Yang, Xue-Wei (2)

Author affiliation:(1) School of Resource and Environmental Science, Wuhan University, Wuhan 430079, China; (2) Xi'an Research Institute of Surveying and Mapping, Xi'an 710054, China; (3) Xi'an Institute of Optics and Precision Mechanics, CAS, Xi'an 710119, China

Corresponding author:Liu, A.-L.(ailong_liu@163.com)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:SUPPL.

Issue date:November 2008

Publication year:2008

Pages:264-267

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:In order to improve the display velocity under embedded condition that computation and memory resources are finite, the data modal of display and restricted factors of map display engine were defined and constructed. Based on analyzing these restrict factors, the factors of analysis path and history path were imported. At last, the restricting rules and the optimized parallel dual-buffer algorithm were presented. The results show that the optimized algorithm can be used in real application.

Number of references:4

Main heading:Parallel algorithms

Controlled terms:Algorithms - Embedded systems - Integrated circuits

Uncontrolled terms:Analysis paths - Dual-buffer algorithm - Embedded system - Map display - Memory resources - Optimized algorithms - Parallel display - Real applications

Classification code:714.2 Semiconductor Devices and Integrated Circuits - 722 Computer Systems and Equipment - 723 Computer Software, Data Handling and Applications - 921 Mathematics

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 22>

 

Accession number:20084311658142

Title:Theoretical design of single polarization single mode microstructured polymer optical fibers

Authors:Zhang, Ya-Ni (1)

Author affiliation:(1) Department of Physics, Baoji College of Arts and Science, Baoji 721007, China; (2) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China

Corresponding author:Zhang, Y.-N.(zhangyn@opt.ac.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:9

Issue date:September 2008

Publication year:2008

Pages:1800-1804

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:A new structure of single polarization single mode (SPSM) microstructured polymer optical fibers (MPOFs) is proposed and numerically analyzed by using a full vector finite element method with anisotropic perfectly matched layers. The polarization mode fields, the cutoff wavelength of fast-axis modes and slows-axis modes, and the confinement loss were theoretically studied based on polymethyl methacrylate (PMMA). From the numerical results, it is confirmed that the cutoff wavelength of two-orthogonal polarized states can be adjusted by varying the structure parameters of the proposed fibers, and one polarized states of fundamental mode (slow-axis mode) is transmitted only. If the wavelength region of SPSM is tuned at communication wavelength of polymer optical fiber (POF) of 650 nm, the confinement loss of slow-axis mode was less than 0.05 dB/m.

Number of references:19

Main heading:Single mode fibers

Controlled terms:ABS resins - Fiber optics - Fibers - Finite element method - Mechanisms - Optical communication - Optical fibers - Optical materials - Optical waveguides - Optoelectronic devices  - Polarization - Polymers

Uncontrolled terms:Anisotropic perfectly matched layers - Communication wavelengths - Confinement loss - Confinement losses - Cutoff wavelengths - Full vector finite element methods - Fundamental modes - Guided wave and fiber optics - Microstructured polymer optical fibers - New structures  - Numerical results - Polarization modes - Polarized states - Polymer optical fibers - Single polarization single modes - Single-polarization single-mode - Structure parameters - Wavelength regions

Classification code:741.1.2 Fiber Optics - 741.3 Optical Devices and Systems - 812 Ceramics, Refractories and Glass - 921.6 Numerical Methods - 815.1 Polymeric Materials - 817 Plastics and Other Polymers: Products and Applications - 819.4 Fiber Products - 815.1.1 Organic Polymers - 741.1 Light/Optics - 717.2 Optical Communication Equipment - 601.3 Mechanisms - 701.1 Electricity: Basic Concepts and Phenomena - 711.1 Electromagnetic Waves in Different Media - 714.2 Semiconductor Devices and Integrated Circuits - 714.3 Waveguides - 717.1 Optical Communication Systems

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 23>

 

Accession number:20082011256177

Title:Oscillating mode with radial polarization in an active Yb fiber based on a Brewster dual conical prism

Authors:Zhong, Lan-Xiang (1); Li, Jian-Lang (3)

Author affiliation:(1) College of Information Science and Technology, Northwest University, Xi'an 710069, China; (2) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (3) Institute for Laser Science, University of Electro-Communications, Tokyo 182-8585, Japan

Corresponding author:Zhong, L.-X.(lanx@nwu.edu.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:3

Issue date:March 2008

Publication year:2008

Pages:430-434

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:By using a Brewster dual conical prism inside an ytterbium-doped fiber laser cavity, the formation of a radially polarized beam has been demonstrated experimentally. The output power of the laser is up to 6.2 mW under the maximum pump power available when the length of multi-mode gain fiber is 2.0 m. This investigation reveals the new way to obtain the radially polarized beam in the fiber laser. Several factors to degrade the uniformity and polarization purity of such beam are also discussed.

Number of references:29

Main heading:Fiber lasers

Controlled terms:Light polarization - Prisms

Uncontrolled terms:Conical prism - Radial polarization - Ytterbium doped fiber laser

Classification code:741.1 Light/Optics - 741.3 Optical Devices and Systems - 744.4 Solid State Lasers

Treatment:Experimental (EXP)

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 24>

 

Accession number:20090611901686

Title:Mathematical model for beam automatic fast alignment

Authors:Da, Zheng-Shang (1); Li, Dong-Jian (1); Zhou, Wei (2); Peng, Zhi-Tao (2)

Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Research Center of Laser Fusion, China Academy of Engineering Physics, Mianyang 621900, China

Corresponding author:Da, Z.-S.(dazhengshang@opt.ac.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:12

Issue date:December 2008

Publication year:2008

Pages:2534-2538

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:The mathematical model of beam automatic alignment of high power laser-fusion facility is deduced, the optical and adjusting character of the alignment beam pass is analyzed. The mathematical model that describes the relationship between beam image offset and the control output parameter of the automatic alignment control system is worked out. This model is applied in the beam automatic alignment of SG-III prototype, the used time is less than 3 minute for 1~2 beam pass and less than 8 minute for 3~4 beam pass, the alignment accuracy of the main amplifier output beam is less than 0.3% of the beam aperture in near field and less than 0.3 " in direction (root mean square).

Number of references:7

Main heading:Mathematical models

Controlled terms:Alignment - Control systems - High power lasers - Lasers - Reflection

Uncontrolled terms:Adjusting characters - Alignment accuracies - Automatic alignments - Bam alignment - Electrical-driven reflector - High-power - Main amplifiers - Mathematical model - Near fields - Optical charactic  - Output parameters - Root mean squares

Classification code:921 Mathematics - 744.1 Lasers, General - 741.1 Light/Optics - 731.1 Control Systems - 711 Electromagnetic Waves - 603.1 Machine Tools, General - 601.1 Mechanical Devices

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 25>

 

Accession number:20081711215441

Title:Spectral relationship of photoinduced refractive index and absorption changes in fulgide films

Authors:Menke, N. (1); Yao, B. (1); Wang, Y. (1); Dong, W. (1); Lei, M. (1); Chen, Y. (3); Fan, M. (3); Li, T. (3)

Author affiliation:(1) State Key Laboratory of Transient Optics Technology, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an, China; (2) Department of Physics, College of Sciences and Technology, Inner Mongolia University, Huhhot, China; (3) Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, China

Corresponding author:Yao, B.(yaobl@opt.ac.cn)

Source title:Journal of Modern Optics

Abbreviated source title:J. Mod. Opt.

Volume:55

Issue:6

Issue date:March 2008

Publication year:2008

Pages:1003-1011

Language:English

ISSN:09500340

E-ISSN:13623044

CODEN:JMOPEW

Document type:Journal article (JA)

Publisher:Taylor and Francis Ltd., 4 Park Square, Milton Park, Abingdon, Oxfordshire, OX14 4RN, United Kingdom

Abstract:Fulgides are one kind of organic photochromic compound, which are famous for their thermal irreversibility. In this report, from the difference spectra of the absorption A() of one kind of pyrrylfulgide, the spectral refractive index change n() was calculated by the Kramers-Kronig relation (KKR), and a good correlation of theoretically derived values and the experimental values of the n measured by a modified Michelson interferometer was found. Further, it is demonstrated that it was possible to calculate the spectral dependence of diffraction efficiency from the easily accessible absorption changes. This method will be a useful tool for the characterization and optimization of fulgide films. The results show that the diffraction efficiency is high at 488 and 750 nm, where the absorption is very small, so we can realize non-destructive reconstruction.

Number of references:11

Main heading:Optical films

Controlled terms:Diffraction efficiency - Nondestructive examination - Organic compounds - Photochromism - Refractive index

Uncontrolled terms:Diffraction efficiency spectrum - Fulgide - Kramers-Kronig relation (KKR) - Photoinduced absorption changing spectrum - Photoinduced refractive index changing spectrum

Classification code:711 Electromagnetic Waves - 741.1 Light/Optics - 741.3 Optical Devices and Systems - 804.1 Organic Compounds

Treatment:Theoretical (THR)

DOI:10.1080/09500340701552289

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 26>

 

Accession number:20083811553924

Title:Ultra-narrow dual-channel filter based on sampled fiber Bragg gratings

Authors:Liu, Xueming (1); Sun, Guoyong (1); Moon, Dae Seung (1); Hwang, Dusun (1); Lin, Aoxiang (1); Chung, Youngjoo (1)

Author affiliation:(1) Department of Information and Communications, Gwangju Institute of Science and Technology (GIST), I Oryong-dong, Buk-gu, Gwangju 500-712, Korea, Republic of; (2) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academic of Sciences, Xi'an 710068, China

Corresponding author:Liu, X.

Source title:Conference on Quantum Electronics and Laser Science (QELS) - Technical Digest Series

Abbreviated source title:Conf Quant Electron Laser Sci QELS Tech Dig Ser

Monograph title:2008 Conference on and Quantum Electronics and Laser Science Conference Lasers and Electro-Optics, QELS

Issue date:2008

Publication year:2008

Article number:4552752

Language:English

ISBN-10:1557528594

ISBN-13:9781557528599

Document type:Conference article (CA)

Conference name:Conference on and Quantum Electronics and Laser Science Conference Lasers and Electro-Optics, QELS 2008

Conference date:May 4, 2008 - May 9, 2008

Conference location:San Jose, CA, United states

Conference code:73386

Publisher:Institute of Electrical and Electronics Engineers Inc., 445 Hoes Lane / P.O. Box 1331, Piscataway, NJ 08855-1331, United States

Abstract:We have proposed a new kind of ultra-narrow dual-bandpass fiber Bragg gratings. Based on the proposed grating, an ultra-narrow dual-channel filter is designed. Our filter has the same bandwidth and the even strength, as well as the ultra-narrow bandwidth as small as &lt;1 pm. &copy; 2008 Optical Society of America.

Number of references:5

Main heading:Fiber Bragg gratings

Controlled terms:Fiber optic sensors - Lasers - Quantum electronics - Telecommunication systems - Transceivers - Wave filters

Uncontrolled terms:Dual channels - Electro-optics - Laser science

Classification code:931.4 Quantum Theory; Quantum Mechanics - 744.1 Lasers, General - 744 Lasers - 741.3 Optical Devices and Systems - 741.1.2 Fiber Optics - 732.2 Control Instrumentation - 718 Telephone Systems and Related Technologies; Line Communications - 717 Optical Communication - 716.3 Radio Systems and Equipment - 716 Telecommunication; Radar, Radio and Television - 703.2 Electric Filters

DOI:10.1109/QELS.2008.4552752

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

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Accession number:20090611901687

Title:A range focusing measurement technology based on light field photography

Authors:Xiao, Xiang-Guo (1); Wang, Zhong-Hou (1); Sun, Chuan-Dong (1); Bai, Jia-Guang (1)

Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Graduate University, Chinese Academy of Sciences, Beijing 100049, China

Corresponding author:Xiao, X.-G.(xiao981216@opt.ac.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:12

Issue date:December 2008

Publication year:2008

Pages:2539-2543

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:A monocular range measurement method for Non-cooperative target based on light field photography was stueled. The theory and configuration of the range measurement technique was researched, the image processing method of this new Monocular Measurement range technique was established, and some mathematical formulas were also deduced. The focusing function was constructed, and the image focusing error through resolution tester experiments was statistically computed. The measurement range and accuracy of this range measurement method were calculated.

Number of references:9

Main heading:Measurements

Controlled terms:Functions - Image processing - Photography - Programming theory - Targets

Uncontrolled terms:Focusing functions - Image focusing - Image processing - methods - Light fields - Mathematical formulas - Measurement accuracy - Measurement range - Measurement technologies - Monocular range measurement - Non-cooperative target measurement  - Range focusing - Range measurement methods

Classification code:943 Mechanical and Miscellaneous Measuring Instruments - 942 Electric and Electronic Measuring Instruments - 941 Acoustical and Optical Measuring Instruments - 932.1.1 Particle Accelerators - 921 Mathematics - 944 Moisture, Pressure and Temperature, and Radiation Measuring Instruments - 746 Imaging Techniques - 741 Light, Optics and Optical Devices - 723.2 Data Processing and Image Processing - 723.1 Computer Programming - 721.1 Computer Theory, Includes Formal Logic, Automata Theory, Switching Theory, Programming Theory - 742.1 Photography

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

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Accession number:20081911244574

Title:Baffle design and simulation of R-C system

Authors:Li, Ting (1); Yang, Jian-Feng (1); Ruan, Ping (1); Ma, Zhen (1)

Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Graduate University, Chinese Academy of Sciences, Beijing 100039, China

Corresponding author:Li, T.(xigong99@163.com)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:2

Issue date:February 2008

Publication year:2008

Pages:332-336

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:The constraint formulas for designing the geometries of primary baffle and secondary baffle are deduced when taking account of vignette of R-C system. Both the design method of vanes on secondary baffle and the formulas for calculating their dimensions are discussed. Meanwhile the design method of outer baffle is given. The method is used to design a baffle for some R-C telescope system, and the true stray light condition is simulated with optical ray trace software. According to the simulated datum, the PST curves at azimuth 0&deg;, 45&deg; and 90&deg; are drawn, and these curves show that PST values are less than 10^-10 when off-axis angle is larger than the solar critical angle which satisfies the requirement of the system.

Number of references:11

Main heading:Optical design

Controlled terms:Calculations - Computer simulation - Stray light

Uncontrolled terms:Baffle design - Optical ray trace - PST curve - R-C system - Vane - Vignette

Classification code:723.5 Computer Applications - 741.1 Light/Optics - 921 Mathematics

Treatment:Experimental (EXP)

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

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Accession number:20082911376467

Title:Non-geometrical effects on Gaussian beams transmitting through a thin dielectric slab

Authors:Li, Chun-Fang (1); Zhang, Yan (1); Chen, Xi (1); Zhu, Qi-Biao (1)

Author affiliation:(1) Department of Physics, Shanghai University, Shanghai 200444, China; (2) State Key Laboratory of Transient Optics Technology, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China

Corresponding author:Li, C.-F.(cfli@shu.edu.cn)

Source title:Chinese Physics B

Abbreviated source title:Chin. Phys.

Volume:17

Issue:5

Issue date:May 1, 2008

Publication year:2008

Pages:1758-1768

Language:English

ISSN:16741056

Document type:Journal article (JA)

Publisher:Institute of Physics Publishing, Temple Back, Bristol, BS1 6BE, United Kingdom

Abstract:It is shown that a Gaussian light beam transmitting through a planar thin dielectric slab in the air undergoes four different effects, i.e. lateral Goos-Ha&die;nchen-like (GHL) displacement, angular deflection, width modification and longitudinal focal shift as compared with the results predicted by geometrical optics. According to the Taylor expansion of the exponent of transmission coefficient when expressed as an exponential form, the lateral GHL displacement and the angular deflection are the first-order effects and can be negative or positive. The width modification and the longitudinal focal shift are the second-order effects and can also be positive or negative. Owing to the waist-width dependent term, the non-geometrical effects of transmitted beam are not identical with the non-specular effects of reflected beam. The conditions for the validity of those effects are suggested and numerical simulations are also given. &copy; 2008 Chin. Phys. Soc. and IOP Publishing Ltd.

Number of references:24

Main heading:Electromagnetic fields

Controlled terms:Computer simulation - Electromagnetic field theory - Electromagnetism - Gaussian beams - Gaussian distribution - Geometrical optics - Geometry - Laser beams - Light - Magnetism  - Photoacoustic effect - Trellis codes - Turbulent flow

Uncontrolled terms:(I ,J) conditions - Angular deflections - Dielectric slabs - Different effects - Exponential form - first orders - Focal shifts - gaussian - Gaussian light beams - Geometrical effects  - Numerical simulations - Reflected beam - Second order effects - Taylor expansions - Transmission coefficients

Classification code:921 Mathematics - 744.8 Laser Beam Interactions - 741.1 Light/Optics - 723.5 Computer Applications - 922.1 Probability Theory - 723.2 Data Processing and Image Processing - 701.2 Magnetism: Basic Concepts and Phenomena - 701 Electricity and Magnetism - 631.1 Fluid Flow, General - 711 Electromagnetic Waves

DOI:10.1088/1674-1056/17/5/036

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

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Accession number:20080111007136

Title:Anomalous spectral behavior of vectorial apertured ultrashort pulsed beams beyond the paraxial approximation

Authors:Yang, Yuanjie (1); Duan, Kailiang (2); Li, Yude (1)

Author affiliation:(1) Department of Optoelectronic Science and Technology, College of Electronics and Information Engineering, Sichuan University, Chengdu, 610064, China; (2) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an, 710068, China

Corresponding author:Yang, Y.(dr.yang2003@yahoo.com.cn)

Source title:Optics Communications

Abbreviated source title:Opt Commun

Volume:281

Issue:4

Issue date:Febrary 15, 2008

Publication year:2008

Pages:521-526

Language:English

ISSN:00304018

CODEN:OPCOB8

Document type:Journal article (JA)

Publisher:Elsevier, P.O. Box 211, Amsterdam, 1000 AE, Netherlands

Abstract:Based on the vectorial Rayleigh diffraction integrals, the analytical expression for the spectral intensity of a vectorial nonparaxial ultrashort pulsed Gaussian beam diffracted at a circular hard-aperture is derived. The effect of f-parameter (f = 1/k<inf>0</inf>w<inf>0</inf>) on the spectral anomalies near phase singularities of the vectorial nonparaxial ultrashort pulsed beams is studied. It is shown that the spectral switch near the phase singularity of diffracted vectorial nonparaxial ultrashort pulsed beam still exists beyond paraxial regime, but disappears when the f-parameter is larger than a certain value. &copy; 2007 Elsevier B.V. All rights reserved.

Number of references:19

Main heading:Ultrashort pulses

Controlled terms:Approximation theory - Diffraction - Gaussian beams

Uncontrolled terms:Circular aperture - Phase singularity - Spectral switch - Vector Rayleigh diffraction integrals - Vectorial nonparaxial ultrashort pulse

Classification code:711 Electromagnetic Waves - 741.1 Light/Optics - 744.1 Lasers, General - 921.6 Numerical Methods

Treatment:Theoretical (THR)

DOI:10.1016/j.optcom.2007.10.020

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

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Accession number:20082111262141

Title:Optimized design of ultrafast electron diffraction system

Authors:Wu, Jian-Jun (1); Zhao, Bao-Sheng (1); Tian, Jin-Shou (1); Wang, Jun-Feng (1); Zou, Wei (1); Sai, Xiao-Feng (1)

Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China

Corresponding author:Wu, J.-J.(jjwu@opt.ac.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:3

Issue date:March 2008

Publication year:2008

Pages:448-451

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:The computing module and the data processing method of the ultra-fast electron diffraction system in its emitting part are improved which make the computed result more exact. The shape of the photocathode is investigated for its effect on the temporal resolution of the UED system, and the result is useful to the design of the ultra-fast electron gun.

Number of references:19

Main heading:Electron diffraction

Controlled terms:Data processing - Electron guns - Electron optics - Photocathodes

Uncontrolled terms:Temporal resolution - Ultrafast electron diffraction

Classification code:701.1 Electricity: Basic Concepts and Phenomena - 714.1 Electron Tubes - 723.2 Data Processing and Image Processing - 741.3 Optical Devices and Systems - 931.3 Atomic and Molecular Physics

Treatment:Theoretical (THR)

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

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Accession number:20084311658150

Title:Novel scheme of all-optical RZ to NRZ format converter

Authors:Wang, Wei-Qiang (1); Zhang, Jian-Guo (1); Yao, Bao-Li (1); Yan, Shuang-Yi (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Graduate University, Chinese Academy of Sciences, Beijing 100039, China

Corresponding author:Wang, W.-Q.(wwqopt@gmail.com)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:9

Issue date:September 2008

Publication year:2008

Pages:1837-1841

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:A novel scheme is represented for the implementation of all-optical data format conversion from the return-to-zero (RZ) signal to the non-return-to-zero (NRZ) signal, which employs only a single semiconductor optical amplifier (SOA) and an optical bandpass filter (OBPF). When the probe light and a control signal light are inputted a SOA simultaneously, the leading edge of the modulated probe is shifted towards lower frequencies (red-shifted), whereas the trailing edge is shifted towards higher frequencies (blue-shifted), due to the cross-gain-modulation (XGM) and cross-phase-modulation (XPM) in the SOA. If the detuning of an OBPF is made with respect to a central wavelength of the converted signal in order to filter out the desired optical spectral component, we can obtain the converted optical NRZ signal. This new scheme has the advantages of simple configuration, polarization insensitivity, easy control and high operation stability. Moreover, both the simulation with OptiSystem emulator and the experimental research are carried out to perform the RZ to NRZ all-optical format conversion at 20 Gbit/s, respectively. It is shown that the simulation result is in agreement with experimental result.

Number of references:11

Main heading:Optical frequency conversion

Controlled terms:Bandpass filters - Electric conductivity - Electromagnetic waves - Light amplifiers - Modulation - Optical communication - Optical fibers - Optical switches - Optoelectronic devices - Semiconductor materials  - Semiconductor optical amplifiers - Simulators - Wave filters

Uncontrolled terms:All-optical format conversion - Central wavelengths - Control signals - Detuning - Experimental researches - Higher frequencies - Leading edges - Lower frequencies - Novel schemes - NRZ formatted  - NRZ signals - Operation stabilities - Optical - Optical bandpass filters - Optical datum - Optical fiber communications - Optical format conversions - Polarization insensitivities - Probe light - RZ-to-NRZ conversion  - Simulation results - Spectral components - Trailing edges

Classification code:717 Optical Communication - 717.1 Optical Communication Systems - 717.2 Optical Communication Equipment - 718 Telephone Systems and Related Technologies; Line Communications - 716 Telecommunication; Radar, Radio and Television - 741.1.1 Nonlinear Optics - 741.3 Optical Devices and Systems - 744.1 Lasers, General - 744.4 Solid State Lasers - 741.1.2 Fiber Optics - 714.2 Semiconductor Devices and Integrated Circuits - 654.1 Rockets and Missiles - 655.2 Satellites - 657.1 Solar Energy and Phenomena - 662.1 Automobiles - 621 Nuclear Reactors - 671 Naval Architecture - 703.2 Electric Filters - 711 Electromagnetic Waves - 712.1 Semiconducting Materials - 701.1 Electricity: Basic Concepts and Phenomena

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

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Accession number:20090111830224

Title:Relationship between Talbot effect and geometrical imaging

Authors:Feng, Jie (1); Zhou, Ren-Kui (1); Zhao, Jian-Ke (1); Yuan, Xiang-Lan (1); Chen, Yong-Quan (1); Zhang, Zhou-Feng (1)

Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Graduate University, Chinese Academy of Sciences, Beijing 100049, China

Corresponding author:Feng, J.(fengjie@opt.ac.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:11

Issue date:November 2008

Publication year:2008

Pages:2332-2335

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:According to traditional view that there is no relation between the Talbot imaging and geometric imaging and based on the geometric optics imaging rule and physics imaging rule, a new method to analyse the grating imaging was introduced. It was found that when m=0, the Talbot imaging has the same imaging rule with geometric optics imaging. A conclusion is presented that the geometry optics imaging of grating is a certain Talbot imaging when concolorous and parallel light irradiate the grating.

Number of references:7

Main heading:Light

Controlled terms:Lenses - Optical instruments

Uncontrolled terms:Distortion - Geometric optics - Geometry imaging - Grating imaging - Information optics - Parallel lights - Talbot effects - Talbot imaging

Classification code:741.1 Light/Optics - 741.3 Optical Devices and Systems - 941.3 Optical Instruments

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

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Accession number:20141717606867

Title:Mass-fabrication of air-core microstructured polymer optical fiber

Authors:Kang, Lijun (1); Wang, Lili (1); Yang, Xinghua (1); Wang, Jian (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Information road 17, Xi'an, Shannxi, 710119, China

Source title:Optics InfoBase Conference Papers

Abbreviated source title:Opt.InfoBase Conf. Papers

Monograph title:Conference on Lasers and Electro-Optics, CLEO 2008

Issue date:2008

Publication year:2008

Language:English

E-ISSN:21622701

ISBN-13:9781557528599

Document type:Conference article (CA)

Conference name:Conference on Lasers and Electro-Optics, CLEO 2008

Conference date:May 4, 2008  -  May 9, 2008

Conference location:San Jose, CA, United states

Conference code:104479

Publisher:Optical Society of America

Abstract:An air-core, 252 holes cladding, 51% air-occupied fraction PMMA-based MPOF as successfully fabricated by drawing an extruded 253 holes preform. With the extrusion technique, air-core MPOF preform could be produced on a large scale. &copy; 2008 Optical Society of America.

Number of references:7

Main heading:Preforming

Controlled terms:Optical fibers

Uncontrolled terms:Air-core - Extrusion techniques - Microstructured polymer optical fibers

Classification code:535.2.2 Metal Forming Practice - 741.1.2 Fiber Optics

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 35>

 

Accession number:20141717607169

Title:Ultra-narrow dual-channel filter based on sampled fiber Bragg gratings

Authors:Liu, Xeming (1); Sun, Guoyong (1); Moon, Dae Seung (1); Hwang, Dusun (1); Lin, Aoxiang (1); Chung, Youngjoo (1)

Author affiliation:(1) Department of Information and Communications, Gwangju Institute of Science and Technology (GIST), 1 Oryong-dong, Buk-gu, Gwangju 500-712, Korea, Republic of; (2) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academic of Sciences, Xi'an 710068, China

Source title:Optics InfoBase Conference Papers

Abbreviated source title:Opt.InfoBase Conf. Papers

Monograph title:Conference on Lasers and Electro-Optics, CLEO 2008

Issue date:2008

Publication year:2008

Language:English

E-ISSN:21622701

ISBN-13:9781557528599

Document type:Conference article (CA)

Conference name:Conference on Lasers and Electro-Optics, CLEO 2008

Conference date:May 4, 2008  -  May 9, 2008

Conference location:San Jose, CA, United states

Conference code:104479

Publisher:Optical Society of America

Abstract:We have proposed a new kind of ultra-narrow dual-bandpass fiber Bragg gratings. Based on the proposed grating, an ultra-narrow dual-channel filter is designed. Our filter has the same bandwidth and the even strength, as well as the ultra-narrow bandwidth as small as &lt;1 pm. &copy; 2008 Optical Society of America.

Number of references:5

Main heading:Fiber Bragg gratings

Uncontrolled terms:Dual channel - Filter-based - Sampled fiber Bragg gratings - Ultra-narrow bandwidth

Classification code:741.3 Optical Devices and Systems

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

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Accession number:20083311453275

Title:SOA-based polarity-preserving all-optical wavelength conversion at 80GBIT/S: Wide conversion range, well dynamic characteristics and polarization insensitive

Authors:Yan, Shuangyi (1); Zhang, Jian-Guo (1); Zhao, Wei (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Graduate School of Chinese Academy of Sciences, Beijing 100039, China; (3) Department of Electrical, Computer and Communications Engineering, London South Bank University, 103 Borough Road, London SE1 0AA, United Kingdom

Corresponding author:Yan, S.(nechoyan@gmail.com)

Source title:Microwave and Optical Technology Letters

Abbreviated source title:Microwave Opt Technol Lett

Volume:50

Issue:9

Issue date:September 2008

Publication year:2008

Pages:2392-2399

Language:English

ISSN:08952477

CODEN:MOTLEO

Document type:Journal article (JA)

Publisher:John Wiley and Sons Inc., P.O.Box 18667, Newark, NJ 07191-8667, United States

Abstract:This letter presents the effective design of a tunable 80 Gbit/s wavelength converter with a simple configuration consisting of a single semiconductor optical amplifier (SOA) and an optical bandpass filter (OBPF). Based on both cross-gain and cross-phase modulation in SOA, the polarity-preserved, ultrafast wavelength conversion is achieved by appropriately filtering the blue-chirped spectral component of a probe light. Moreover, the experiments are carried out to investigate into the wavelength tunability and the maximum tuning range of the designed wavelength converter. Our results show that a wide wavelength conversion range of nearly 35 nm is achieved with 21-nm downconversion and 14-nm upconversion, which is substantially limited by the operation wavelength ranges of a tunable OBPF and a tunable continuous-wave laser in our experiment. We also exploited the dynamics characteristics of the wavelength converter with variable input powers and different injection current of SOA. &copy; 2008 Wiley Periodicals, Inc.

Number of references:25

Main heading:Wavelength

Controlled terms:Canning - Experiments - Injection (oil wells) - Light amplifiers - Modulation - Optical frequency conversion - Optoelectronic devices - Semiconductor junctions

Uncontrolled terms:80 Gbit/s - All-optical wavelength conversion - Continuous waves - Conversion range - Cross phase modulation - Down-conversion - Dynamic characteristics - Dynamics characteristics - Injection currents - Input powers  - Operation wavelength - Optical bandpass filter - Optical fiber communications - Optical signal processing - Polarization-insensitive - Probe light - Semiconductor optical amplifier - Tuning range - Ultra-fast - Up-conversion  - Wavelength conversion - Wavelength converters - Wavelength tunability - Wide wavelength

Classification code:822.2 Food Processing Operations - 741.3 Optical Devices and Systems - 741.1.1 Nonlinear Optics - 901.3 Engineering Research - 716 Telecommunication; Radar, Radio and Television - 711 Electromagnetic Waves - 511.1 Oil Field Production Operations - 714.2 Semiconductor Devices and Integrated Circuits

DOI:10.1002/mop.23695

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

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Accession number:20083511493998

Title:Potential applications of Ag-microtubes modified polymer crystal optical fibres as chemical and optical sensor materials

Authors:Yang, Xing-Hua (1); Wang, Li-Li (1); Yang, Sheng (1); Li, Kang (1); Kang, Li-Jun (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China

Corresponding author:Yang, X.-H.(yangxh@opt.ac.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:7

Issue date:July 2008

Publication year:2008

Pages:1338-1341

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:By adjusting the reaction condition of silver mirror reaction in the air holes of MPOF, nanotubular or nanoisland shape modified Ag-MPOF are obtained. SEM images show that when the reaction solution is higher, the morphology of silver is tubular. This Ag-MPOF composite fiber has favourable conductivity and could be used as array electrode in electroanalysis. The results show that this fiber display high active in sensing nitrate or nitrite ions which usually cause cancers in waste water. When the concentration of reaction solution is lower, the Ag-MPOF with island-like silver nanoparticles is obtained. The fluorescence of dye molecules could be greatly enhanced if it is put into the modified holes of this Ag-MPOF.

Number of references:19

Main heading:Silver

Controlled terms:Concentration (process) - Fiber optics - Fibers - Nanostructured materials - Nitrates - Optical fibers - Sewage

Uncontrolled terms:Air holes - Array electrodes - Chemical- - Composite optical fibre - Dye molecules - Micro-tubes - Modified polymers - MPOF - Nano islands - Nanotubular  - Nitrite ions - Optical fibres - Optical- - Potential applications - Reaction conditions - Reaction solutions - SEM imaging - Sensor materials - Silver mirrors - Silver nano-particles  - Silver nanoparticle - Waste water

Classification code:812 Ceramics, Refractories and Glass - 804.2 Inorganic Compounds - 802.3 Chemical Operations - 761 Nanotechnology - 741.1.2 Fiber Optics - 547.1 Precious Metals - 452.1 Sewage

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

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Accession number:20084711719578

Title:Study on a tetranuclear neodymium complex in polytrifluorochloroethylene oil for liquid lasers

Authors:Qiu, Xiaoming (1); Yu, Kehan (1); Lu, Jiabao (1); Gao, Chao (2); Hou, Chaoqi (2); He, Junfang (2); Wei, Wei (1); Peng, Bo (1)

Author affiliation:(1) State Key Laboratory for Advanced Photonic Materials and Devices, Fudan University, Shanghai, 200433, China; (2) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Science (CAS), Xi'an, Shaanxi 710119, China

Corresponding author:Wei, W.(iamww@fudan.edu.cn)

Source title:Optical Materials

Abbreviated source title:Opt Mater

Volume:31

Issue:2

Issue date:October 2008/December 2008

Publication year:2008

Pages:117-121

Language:English

ISSN:09253467

CODEN:OMATET

Document type:Journal article (JA)

Publisher:Elsevier, P.O. Box 211, Amsterdam, 1000 AE, Netherlands

Abstract:A liquid solution on the basis of dissolving a novel tetranuclear neodymium complex Nd<inf>4</inf>(TTA)<inf>10</inf>O<inf>12</inf>H<inf>22</inf> (HTTA: 2-thenoyltrifluoroacetone) in polytrifluorochloroethylene oil was presented. The molecular structure of the complex was characterized by single-crystal X-ray diffraction. The optical properties of the liquid medium were studied. Enhanced emission was observed at 1064 nm when excited at 340 nm due to efficient energy transfer from TTA to the Nd³⁺ ions and the mechanism for energy transfer process was discussed in detail. The obtained fluorescent lifetime was 1.7 &mu;s and the quantum yield value was 0.63%, which compare well with some other organic liquid media reported previously. Besides, this liquid shows outstanding properties with no toxicity and causticity, nonvolatility and high stability. &copy; 2008 Elsevier B.V. All rights reserved.

Number of references:29

Main heading:Liquid lasers

Controlled terms:Crystal structure - Dissolution - Energy transfer - Neodymium - Neodymium lasers - Optical materials - Optical properties - Powders - Quantum chemistry

Uncontrolled terms:Efficient energy transfers - Energy transfer processes - Enhanced emissions - Fluorescent lifetimes - High stabilities - Lifetime - Liquid mediums - Liquid solutions - Non volatilities - Organic liquids  - X-ray diffractions

Classification code:933.1.1 Crystal Lattice - 744.3 Liquid Lasers - 744.4 Solid State Lasers - 801.4 Physical Chemistry - 802.3 Chemical Operations - 804 Chemical Products Generally - 931.4 Quantum Theory; Quantum Mechanics - 741.3 Optical Devices and Systems - 641.2 Heat Transfer - 547.2 Rare Earth Metals - 536 Powder Metallurgy - 531.2 Metallography - 525.4 Energy Losses (industrial and residential) - 741.1 Light/Optics

DOI:10.1016/j.optmat.2008.01.009

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

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Accession number:20082011259681

Title:An improved Fourier-based sub-pixel image registration algorithm for raw image sequence of LASIS

Authors:Ma, Xiaolong (1); Yang, Jianfeng (1); Qiao, Weidong (1); Xue, Bin (1)

Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanics, Chinese Science Academy, Xi'an 710119

Corresponding author:Ma, X.(maxiaolong@opt.ac.cn)

Source title:Proceedings of SPIE - The International Society for Optical Engineering

Abbreviated source title:Proc SPIE Int Soc Opt Eng

Volume:6623

Monograph title:International Symposium on Photoelectronic Detection and Imaging 2007 - Image Processing

Issue date:2008

Publication year:2008

Article number:66230A

Language:English

ISSN:0277786X

CODEN:PSISDG

ISBN-13:9780819467652

Document type:Conference article (CA)

Conference name:International Symposium on Photoelectronic Detection and Imaging 2007 - Image Processing

Conference date:September 9, 2007 - September 12, 2007

Conference location:Beijing, China

Conference code:72020

Sponsor:China Ordnance Society; Beijing Institute of Technology

Publisher:SPIE, P.O. Box 10, Bellingham WA, WA 98227-0010, United States

Abstract:Large Aperture Static interference Imaging Spectrometer (abbreviated LASIS) is a pushbroom-type Fourier transform imaging spectrometer, which works in same way with Time Delay Integrate (TDI) camera. The spectrum of target can be recovered from its interferogram. However, for acquired the more interferogram, the target needs to come across the entire field of LASIS. The interferogram of target come from the row image sequence. The raw images should translate one pixel per image in pushbroom direction between the joined raw images while no translations occur in the ortho-direction. For flat attitude jitter, the translations occur in both directions and translation in pushbroom more or less one pixel. So the disordered interferogram was acquired and the final data cube was distorted in both space domain and spectrum domain. Our problem is found jitter direction and value base on the raw image sequence and to correct the interferogram. A Fourier-based image registration algorithm was employed to find translation in two directions between joined raw images. However the raw image of LASIS is a special image, which is two spatial dimension data modulated by information of interferogram in field of pushbroom. The registration precision was degraded greatly by interference pattern in the raw image. So we set a compound mask in the frequency domain to eliminate influence of this interference pattern and aliasing. Furthermore, the function of sub-window power was defined to claim that which sub-windows can achieve higher registration precision. As result, we have derived a Fourier-based algorithm for performing image-to-image registration which was based on Mathlab language. The simulation presented here show that the error of new algorithm less than 0.01 pixels while translation less than 3 pixels. After process of image registration, the spectrum which recovered from LASIS was acquired from corrected interferogram. At last, the spectrum which recovered from LASIS is well fit to original spectrum.

Number of references:22

Main heading:Image registration

Controlled terms:Algorithms - Image acquisition - Image analysis - Imaging systems - Jitter - Pixels - Spectrometers

Uncontrolled terms:Imaging spectrometers - Large Aperture Static interference Imaging Spectrometer (LASIS) - Time Delay Integrate (TDI) camera

Classification code:716 Telecommunication; Radar, Radio and Television - 722.2 Computer Peripheral Equipment - 723.2 Data Processing and Image Processing - 741.3 Optical Devices and Systems - 746 Imaging Techniques

Treatment:Theoretical (THR)

DOI:10.1117/12.791274

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

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Accession number:20091011944271

Title:Partially correlated thin annular sources: The scalar case

Authors:Gori, Franco (1); Santarsiero, Massimo (1); Borghi, Riccardo (2); Li, Chun-Fang (3)

Author affiliation:(1) Dipartimento di Fisic&#224;, Universita degli Studi Roma Tre, Consorzio Nationale Interuniversitario per le Scienze Fisiche della Materia, via della Vasca Navale, 84, 00146 Rome, Italy; (2) Dipartimento di Elettronica Applicata, Universit&#224; degli Studi Roma Tre, Consorzio Nationale Interuniversitario per le Scienze Fisiche della Materia, via della Vasca Navale, 84, 00146 Rome, Italy; (3) Department of Physics, Shanghai University, Shanghai 200444, China; (4) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics, Precision Mechanics of Chinese Academy of Sciences, Xi'an 710119, China

Corresponding author:Gori, F.(gori@uniroma3.it)

Source title:Journal of the Optical Society of America A: Optics and Image Science, and Vision

Abbreviated source title:J Opt Soc Am A

Volume:25

Issue:11

Issue date:November 1, 2008

Publication year:2008

Pages:2826-2832

Language:English

ISSN:10847529

E-ISSN:15208532

CODEN:JOAOD6

Document type:Journal article (JA)

Publisher:Optical Society of America, 2010 Massachusetts Avenue NW, Washington, DC 20036-1023, United States

Abstract:Thin annular sources, either coherent or completely incoherent from the spatial standpoint, have played a significant role in the synthesis of diffraction-free and J<inf>0</inf>-correlated fields, respectively. Here, we consider thin annular sources with partial correlation. A scalar description is developed under the assumption that the correlation function between two points depends on their angular distance only. We show that for any such source the modal expansion can easily be found. Further, we examine how the correlation properties of the radiated fields change on free propagation. We also give a number of examples and present possible synthesis schemes. &copy; 2008 Optical Society of America.

Number of references:31

Uncontrolled terms:Angular distances - Correlation functions - Correlation properties - Free propagation - Modal expansions - Partial correlations - Radiated fields - Two points

DOI:10.1364/JOSAA.25.002826

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 41>

 

Accession number:20084311658135

Title:Parametric amplification characteristics of weak image

Authors:Ma, Yun-Zhen (1); Liu, Hong-Jun (1); Zhao, Wei (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Graduate University, Chinese Academy of Sciences, Xi'an 100039, China

Corresponding author:Ma, Y.-Z.(mayunzhen@opt.ac.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:9

Issue date:September 2008

Publication year:2008

Pages:1769-1773

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:The image amplification characteristics in optical parametric image amplification are investigated. The phase-match condition, the spatial frequency bandwidth of crystal and the image signal gain are simulated. The numerical simulation results are validated in optical parametric image amplification experiment with BBO (b-BaB<inf>2</inf>O<inf>4</inf>) type-I crystal. Theoretical and experimental results show that when the spatial frequency bandwidth of crystal than the band of the input image signal and the perfectly phase match, the weak optical image are amplified without distortion. The gain peak shifts to higher spatial frequencies and spatial bandwidth narrows, this effect occurs when a small phase mismatch is induced. As the magnitude of this mismatch is increased, optical parametric image amplification could be used to selectively amplify the given spatial-frequency of the weak image.

Number of references:17

Main heading:Amplification

Controlled terms:Bandwidth - Computer simulation - Geometrical optics - Powders - Telecommunication systems

Uncontrolled terms:Gain peaks - Image amplifications - Image signals - Input images - Numerical simulations - Optical - Optical images - Optical parametric amplification - Optical parametric image amplification - Parametric amplifications  - Parametric images - Phase mismatches - Spatial bandwidth - Spatial bandwidths - Spatial frequencies - Weak image

Classification code:804 Chemical Products Generally - 741.1 Light/Optics - 723.5 Computer Applications - 718 Telephone Systems and Related Technologies; Line Communications - 717 Optical Communication - 716.1 Information Theory and Signal Processing - 716 Telecommunication; Radar, Radio and Television - 713.1 Amplifiers - 536 Powder Metallurgy

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 42>

 

Accession number:20090711906892

Title:Optical nonlinearities in poly(2-methoxyl-5octyloxy) phenylenevinyene investigated by the Z-scan technique

Authors:Hou, Chao-Qi (1); Zheng, Jian-Bang (2); Yang, Ming-Yue (1); Guo, Hai-Tao (1); Wei, Wei (1); Peng, Bo (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) School of Science, Northwestern Polytechnical University, Xi'an 710072, China

Corresponding author:Hou, C.-Q.

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:SUPPL.

Issue date:November 2008

Publication year:2008

Pages:224-227

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:The poly(2-methoxyl-5-octyloxy) phenylene vinylene (MO-PPV) with &pi; conjugate structure is synthesized by dehydrochlorination reaction and the optical band gap of MO-PPV is 2.12 eV by testing. Meanwhile, The third-order nonlinear optical properties is studied by using the Z-scan method with nanosecond laser pulses at a wavelength of 532 nm and the nonlinear coefficient is obtained as 2.6&times;10^-9 esu. The result reveals that the nonlinear optical property of MO-PPV with conjugate structure is good.

Number of references:12

Main heading:Nonlinear optics

Controlled terms:Laser pulses - Optical properties - Pulsed laser applications

Uncontrolled terms:Conjugate structures - Dehydrochlorination reactions - High molecular polymer - Nanosecond laser pulse - Non-linear coefficients - Non-linear optical properties - Optical band-gap - Optical non linearities - PPV - Third-order nonlinear optical properties  - Third-order nonlinearity - Z-scan - Z-scan methods - Z-scan techniques

Classification code:741.1 Light/Optics - 741.1.1 Nonlinear Optics - 744.1 Lasers, General - 744.9 Laser Applications

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 43>

 

Accession number:20081111146968

Title:Fabrication of silicon carbide thin films and their field emission properties

Authors:Zhao, Wu (1); Zhang, Zhi-Yong (1); Yan, Jun-Feng (2); Zhai, Chun-Xue (2); Yun, Jiang-Ni (2); Deng, Zhou-Hu (2)

Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanics, Chinese Acad. of Sci., Xi'an 710068, China; (2) School of Information Science and Technology, Northwest University, Xi'an 710069, China

Corresponding author:Zhao, W.(zhaow@nwu.edu.cn)

Source title:Tianjin Daxue Xuebao (Ziran Kexue yu Gongcheng Jishu Ban)/Journal of Tianjin University Science and Technology

Abbreviated source title:Tianjin Daxue Xuebao (Ziran Kexue yu Gongcheng Jishu Ban)

Volume:41

Issue:1

Issue date:January 2008

Publication year:2008

Pages:28-32

Language:Chinese

ISSN:04932137

CODEN:TCHHA9

Document type:Journal article (JA)

Publisher:Tianjin University, Tianjin, 300072, China

Abstract:Silicon carbide (SiC) films were deposited on Si (111) and Ti (101) substrates by hot filament chemical vapor deposition (HFCVD). Then X-ray diffraction (XRD) and Fourier Transform Infrared (FTIR) absorption spectroscopy were used to explore the composition and bonding structures of the SiC films, and atomic force microscope (AFM) was performed to study surface micrography. The results revealed that the deposited samples were 3C-SiC crystalline phase and had good oriented characteristic. FTIR spectra showed that the main absorption peak(804.95 cm^-1) was induced by Si-C bonding. The surface of the films presented regular particle shape and grains were tightly packed. In addition, the field emission characters of the deposited films were measured in high vacuum system (6.0 &times; 10^-4 Pa), and a highly stable field emission current density was obtained. The threshold voltages and the maximum electric current density of the sample were 82.1 V/ &mu;m and 631.5 &mu;A/cm^-2 respectively.

Number of references:16

Main heading:Thin films

Controlled terms:Bonding - Chemical vapor deposition - Current density - Field emission - Fourier transforms - Silicon carbide - Substrates - Vacuum - X ray diffraction

Uncontrolled terms:Atomic force microscope (AFM) - Crystalline phase - Infrared absorption spectroscopy - Surface micrography - Threshold voltages

Classification code:921.3 Mathematical Transformations - 813 Coatings and Finishes - 804.2 Inorganic Compounds - 931.3 Atomic and Molecular Physics - 802.2 Chemical Reactions - 701.1 Electricity: Basic Concepts and Phenomena - 633 Vacuum Technology - 714.2 Semiconductor Devices and Integrated Circuits

Treatment:Applications (APP); Experimental (EXP)

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

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Accession number:20090711906890

Title:Study on second-order optical nonlinearity of chalcohalide glasses in the GeS<inf>2</inf> systems

Authors:Guo, Hai-Tao (1); Wang, Yong-Qian (1); Zou, Kai-Sheng (1); Li, Wei-Nan (1); Lu, Min (1); Peng, Bo (1); Zhao, Xiu-Jian (2)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Procession Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Key Laboratory of Silicate Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070, China

Corresponding author:Guo, H.-T.(guoht_001@opt.ac.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:SUPPL.

Issue date:November 2008

Publication year:2008

Pages:207-210

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:Utilizing Maker fringe method, second-harmonic generation (SHG) of electrical poled chalcogenide glasses in the GeS<inf>2</inf> systems including GeS<inf>2</inf>-X<inf>2</inf>S<inf>3</inf>-CdS (X=Ga, Sb) and GeS<inf>2</inf>-Ga<inf>2</inf>S<inf>3</inf>- Y<inf>2</inf>S<inf>3</inf> (Y=P, As, Sb) were studied. The experiment results indicate that the values of second-order nonlinearity induced in chalcogenide glasses have tight relations with glass composition and poling conditions, and the mechanism can be explained by dipole reorientation model.

Number of references:18

Main heading:Glass

Controlled terms:Cadmium compounds - Gallium - Harmonic generation - Nonlinear optics

Uncontrolled terms:Cds - Chalcogenide glass - Chalcohalide glass - Dipole reorientations - Electrical poling - Glass compositions - Maker fringe methods - Poling conditions - Second-harmonic generations - Second-order nonlinearities  - Second-order optical nonlinearity

Classification code:812.3 Glass - 804.2 Inorganic Compounds - 804.1 Organic Compounds - 751.1 Acoustic Waves - 741.1.1 Nonlinear Optics - 713.2 Oscillators - 549.3 Nonferrous Metals and Alloys excluding Alkali and Alkaline Earth Metals

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

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Accession number:20082211286238

Title:Design and mechanical analysis on rotating mirror with honeycomb cellular structure in ultra-high speed camera

Authors:Huang, Hong-Bin (1); Li, Jing-Zhen (2); Chai, Jin-Long (1); Gong, Xiang-Dong (2); Sun, Feng-Shan (3)

Author affiliation:(1) College of Mechatronics and Control Engineering, Shenzhen University, Shenzhen 518060, China; (2) College of Electronics Science and Technology, Shenzhen University, Shenzhen 518060, China; (3) Xi'an Institute of Optics and Precision Mechanics, Chinese Acad. of Sci., Xi'an 710068, China; (4) Key Laboratory of Micro-Nano Photonic Information Technology, Shenzhen 518060, China

Corresponding author:Huang, H.-B.(huanghb@szu.edu.cn)

Source title:Qiangjiguang Yu Lizishu/High Power Laser and Particle Beams

Abbreviated source title:Qiangjiguang Yu Lizishu

Volume:20

Issue:3

Issue date:March 2008

Publication year:2008

Pages:363-366

Language:Chinese

ISSN:10014322

CODEN:QYLIEL

Document type:Journal article (JA)

Publisher:Editorial Office of High Power Laser and Particle Beams, P.O. Box 919-805, Mianyang, 621900, China

Abstract:A three-faced rotating mirror with honeycomb cellular structure in the ultra-high speed camera was presented in this paper, and the mechanical traits of such a structural three-faced aluminous rotating mirror were analyzed by use of FEM. The data indicate that the ultimate deformation magnitude of the mirror surface with width 17.325 mm and length 32.5 mm is 0.547 &mu;m under the rotating speed of 5 &times; 104 r/min which is 16% times of non-honeycomb cellular rotating mirror, the same with the beryllium rotating mirror, and the ultimate stress in this mirror is smaller than that of the former aluminous mirror.

Number of references:6

Main heading:High speed cameras

Controlled terms:Deformation - Finite element method - Honeycomb structures - Imaging systems - Mechanical properties - Mirrors - Stress analysis

Uncontrolled terms:Honeycomb cellular structure - Mechanical analysis - Mirror deformation - Rotating mirror - Stress distribution - Ultrahigh speed camera

Classification code:408.2 Structural Members and Shapes - 421 Strength of Building Materials; Mechanical Properties - 742.2 Photographic Equipment - 921.6 Numerical Methods - 931.1 Mechanics

Treatment:Applications (APP); Experimental (EXP)

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 46>

 

Accession number:20082311303262

Title:Control of superfluorescence for the optical parametric chirped pulse amplifier based on fiber laser

Authors:Li, Xiao-Li (1); Shi, Shun-Xiang (1); Liu, Hong-Jun (2); Wang, Hong-Ying (2); Zhao, Wei (2)

Author affiliation:(1) School of Technique Physics, Xidian University, Xi'an 710071, China; (2) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China

Corresponding author:Li, X.-L.(lxl8201@sohu.com)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:4

Issue date:April 2008

Publication year:2008

Pages:667-670

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:By using a novel double-pass optical parametric chirped pulse amplifier in a single nonlinear crystal, control of the superfluorescence was studied for the optical parametric chirped pulse amplifier based on fiber laser. Net saturated gain of 2 &times; 106 has been achieved and the superfluorescence is obviously decreased to less than 1% of the total output pulse energy when the signal is amplified to 2 mJ with rms fluctuations of less than 3% which is saturated after the amplifier. By this scheme, the superfluorescence is effectively constrained and the stability of the signal is greatly increased.

Number of references:14

Main heading:Fiber lasers

Controlled terms:Fluorescence - Light amplifiers - Optical parametric oscillators - Ultrafast phenomena

Uncontrolled terms:Laser amplifiers - Optical parametric chirped pulse amplifier - Superfluorescence - Ultrafast lasers - Ultrafast technology

Classification code:741.1 Light/Optics - 741.3 Optical Devices and Systems - 744.4 Solid State Lasers

Treatment:Experimental (EXP)

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 47>

 

Accession number:20080311036141

Title:Effective fast electron acceleration along the target surface

Authors:Yuan, X.H. (1); Li, Y.T. (1); Xu, M.H. (1); Zheng, Z.Y. (1); Yu, Q.Z. (1); Liang, W.X. (1); Zhang, Y. (1); Liu, F. (1); Bernhardt, Jens (1); Wang, S.J. (1); Wang, Z.H. (1); Ling, W.J. (1); Wei, Z.Y. (1); Zhao, W. (2); Zhang, J. (1)

Author affiliation:(1) Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China; (2) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (3) Department of Physics, Shanghai Jiao Tong University, Shanghai 200240, China

Corresponding author:Li, Y.T.(vtli@aphy.iphy.ac.cn)

Source title:Optics Express

Abbreviated source title:Opt. Express

Volume:16

Issue:1

Issue date:January 7, 2008

Publication year:2008

Pages:81-86

Language:English

E-ISSN:10944087

Document type:Journal article (JA)

Publisher:Optical Society of America, 2010 Massachusetts Ave, NW, Washington, DC, DC 20036-1023, United States

Abstract:The dependence of angular distributions of fast electrons generated in the interaction of p-polarized femtosecond laser pulses with foil targets on laser intensities is investigated. A novel fast electron beam along the front target surface is observed for high laser intensity. It is found that the electron acceleration along the target surface is more efficient than those in other directions. &copy;2008 Optical Society of America.

Number of references:21

Main heading:Electrons

Controlled terms:Acceleration - Angular distribution - Surface structure - Ultrashort pulses

Uncontrolled terms:Electron acceleration - Laser intensities

Classification code:744.1 Lasers, General - 931.1 Mechanics - 931.2 Physical Properties of Gases, Liquids and Solids - 931.3 Atomic and Molecular Physics

Treatment:Theoretical (THR)

DOI:10.1364/OE.16.000081

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 48>

 

Accession number:20084311658140

Title:Optical design for off-axis two mirror collimator

Authors:Che, Chi-Cheng (1); Li, Ying-Cai (1); Fan, Xue-Wu (1); Hu, Yong-Ming (1)

Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Graduate University, Chinese Academy of Sciences, Beijing 100039, China

Corresponding author:Che, C.-C.(checc@opt.ac.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:9

Issue date:September 2008

Publication year:2008

Pages:1793-1796

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:Design process of large pupil, long focus off-axis two-mirror collimator was introduced. The equation of system initialization structure was given. And the disadvantage of coaxal design method was analysised. A design method for off-axis secondary mirror was proposed. When secondary mirror were rotate on main mirror focus, system performance could be improved. The off-axis design method of secondary mirror was proved throught a example.

Number of references:9

Main heading:Process engineering

Controlled terms:Design - Mirrors - Optical collimators - Optical design - Optical instruments

Uncontrolled terms:Aspheric mirror - Collimator - Design methods - Design processes - Equation of systems - Main mirrors - Off-axis - Secondary mirrors - System performances - Two mirrors

Classification code:941.3 Optical Instruments - 913.1 Production Engineering - 902.1 Engineering Graphics - 741.3 Optical Devices and Systems - 741.1 Light/Optics - 731 Automatic Control Principles and Applications - 408 Structural Design

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 49>

 

Accession number:20090611901676

Title:Steady-state fluorescence spectrum analysis of thylakoid membranes of etiolated maize seedlings

Authors:Ji, Qian-Ru (1); Liu, Xiao (1); He, Jun-Fang (2); Yue, Ming (1)

Author affiliation:(1) Key Laboratory of Resource Biology and Biotechnology in Western China, Northwest University, Xi'an 710069, China; (2) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China

Corresponding author:Ji, Q.-R.(jixiaonana@sohu.com)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:12

Issue date:December 2008

Publication year:2008

Pages:2486-2492

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:To clarify the energy transformation of photosynthesis in etiolated plants, thylakoid membranes from maize was studied at room temperature using steady-state fluorescence spectrum. Deconvolution analysis was employed to investigate the fluorescence emission spectra of T which under dark condition and CK which excited by 436nm, 473nm and 507nm. Results show that energy transfer pathways in thylakoid membranes of etiolated corn seedlings were altered, the energy assignment between PSII and PSI were changed, and intensity of fluorescence was also decreased.

Number of references:20

Main heading:Emission spectroscopy

Controlled terms:Energy transfer - Fluorescence - Fourier transforms - Light - Membranes - Photosynthesis - Spectrum analysis - Spectrum analyzers

Uncontrolled terms:Dark conditions - Deconvolution analysis - Energy assignments - Energy transformations - Etiolated seedlings - Fluorescence emission spectrum - Light biology - Maize seedlings - Room temperatures - Steady-state fluorescence spectrum  - Thylakoid membranes - Transfer pathways

Classification code:951 Materials Science - 922.2 Mathematical Statistics - 931.3 Atomic and Molecular Physics - 941 Acoustical and Optical Measuring Instruments - 942 Electric and Electronic Measuring Instruments - 943 Mechanical and Miscellaneous Measuring Instruments - 944 Moisture, Pressure and Temperature, and Radiation Measuring Instruments - 921.3 Mathematical Transformations - 802.2 Chemical Reactions - 801 Chemistry - 741.1 Light/Optics - 641.2 Heat Transfer - 525.4 Energy Losses (industrial and residential) - 921 Mathematics

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 50>

 

Accession number:20082911382809

Title:Study of stray light reduction for laser target scattered light observation lens

Authors:Yan, Ya-Dong (0); Chen, Liang-Yi (0); Wu, Guo-Jun (0); Cang, Yu-Ping (0); He, Jun-Hua (0)

Corresponding author:Yan, Y.-D.(yyd@opt.ac.cn)

Corr. author affiliation:Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China

Source title:Guangdian Gongcheng/Opto-Electronic Engineering

Abbreviated source title:Guangdian Gongcheng

Volume:35

Issue:6

Issue date:June 2008

Publication year:2008

Pages:54-58

Language:Chinese

ISSN:1003501X

CODEN:GUGOEC

Document type:Journal article (JA)

Publisher:Chinese Academy of Sciences, Chengdu, Sichuan, 610209, China

Abstract:We analyzed the stray light source of system and drew a conclusion that non-image beam has great effect on system qualities and system ghost images caused by parallel windows should not be ignored. In view of the facts that traditional graphical construction has less pertinence to stray light and tracing different incidence angle rays is fatiguesome and more likely to omit some rays, we proposed a reverse ray-trace method based on the ray reversibility. According to the method, a dot-matrix source was set at the image plane. Each dot emitted rays to fully cover the system aperture. A detector surface, large enough to receive all possible rays from the source, was set at object plane. Using the method, non-image stray light was easy to be recognized. Outside and inside lens hoods with special demands were designed, and its performance was simulated with software.

Number of references:10

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 51>

 

Accession number:20114514494763

Title:Multifunctional darkfield microscopy using an axicon

Authors:Lei, Ming (1); Yao, Baoli (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'An Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China

Corresponding author:Lei, M.(leiming@opt.ac.cn)

Source title:Journal of Biomedical Optics

Abbreviated source title:J Biomed Opt

Volume:13

Issue:4

Issue date:2008

Publication year:2008

Article number:044024

Language:English

ISSN:10833668

E-ISSN:15602281

CODEN:JBOPFO

Document type:Journal article (JA)

Publisher:SPIE, P.O. Box 10, Bellingham, WA 98227-0010, United States

Abstract:We present a multifunctional darkfield microscopy using an axicon. It combines the functions of a darkfield microscope, fluorescence microscope, and microspectrophotometer in one platform. The advantage of the system over conventional darkfield microscopy includes the high transmittance of the illuminating flux, the high contrast of the image, and the convenient toggle between darkfield and brightfield microscopy. Examples of dark, bright, and fluorescent micrographs as well as concerned spectra of microsized specimens implemented in this apparatus are demonstrated. &copy; 2008 Society of Photo-Optical Instrumentation Engineers.

Number of references:12

Main heading:Fluorescence

Controlled terms:Fluorescence microscopy

Uncontrolled terms:axicon - Bright-field microscopy - Dark field microscopy - Dark-field - Fluorescence microscopes - High contrast - High transmittance - Micro-sized specimens - Microspectrophotometers

Classification code:461.9.1 Immunology - 741.1 Light/Optics

DOI:10.1117/1.2960019

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 52>

 

Accession number:20082311291955

Title:Effect of reconstruction beam polarization on the kinetics of anisotropic gratings in bacteriorhodopsin

Authors:Gao, Peng (1); Yao, Baoli (1); Han, Junhe (1); Chen, Liju (1); Wang, Yingli (1); Lei, Ming (1); Rupp, Romano A. (3)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Graduate School of The Chinese Academy of Sciences, Beijing 100039, China; (3) Tianjin Economic-Technological Development Area, Applied Physics School, Nankai University, Tianjin 300457, China; (4) Vienna University, Physics Faculty, Boltzmanngasse 5, A-1090 Wien, Austria

Corresponding author:Yao, B.(yaobl@opt.ac.cn)

Source title:Journal of the Optical Society of America A: Optics and Image Science, and Vision

Abbreviated source title:J Opt Soc Am A

Volume:25

Issue:3

Issue date:March 2008

Publication year:2008

Pages:685-691

Language:English

ISSN:10847529

E-ISSN:15208532

CODEN:JOAOD6

Document type:Journal article (JA)

Publisher:Optical Society of America, 2010 Massachusetts Ave, NW, Washington, DC, DC 20036-1023, United States

Abstract:Anisotropic gratings are recorded on bacteriorhodopsin films by two parallelly polarized beams, and the effect of the polarization orientation of the reconstructing beam on the diffraction efficiency kinetics is studied. A theoretical model for the diffraction efficiency kinetics of the anisotropic grating is developed by combining Jones-matrix and photochromic two-state theory. It is found that the polarization azimuth of the reconstructing beam produces a cosine modulation on the kinetics of the diffraction efficiency, being positive at the peak efficiency and negative for steady state. By adding auxiliary violet light during grating formation, the saturation of the grating can be restrained. As a result, the negative cosine modulation for the steady-state diffraction efficiency changes to a positive one. In addition, the steady-state diffraction efficiency is increased appreciably for all reconstructing polarization orientations. &copy; 2008 Optical Society of America.

Number of references:17

Main heading:Optical anisotropy

Controlled terms:Diffraction efficiency - Diffraction gratings - Light polarization - Mathematical models - Photochromism

Uncontrolled terms:Anisotropic gratings - Bacteriorhodopsin - Reconstruction beam polarization - Steady-state diffraction efficiency

Classification code:741.1 Light/Optics - 741.3 Optical Devices and Systems - 921.6 Numerical Methods - 931.2 Physical Properties of Gases, Liquids and Solids

Treatment:Theoretical (THR)

DOI:10.1364/JOSAA.25.000685

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 53>

 

Accession number:20084311658141

Title:Design for visible video zoom optical system

Authors:Tian, Hai-Xia (1); Yang, Jian-Feng (1); Ma, Xiao-Long (1)

Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Graduate University, Chinese Academy of Sciences, Beijing 100039, China

Corresponding author:Tian, H.-X.(eitor@163.com)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:9

Issue date:September 2008

Publication year:2008

Pages:1797-1799

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:The imaging TV system is usually applied to automatically follow and measure the flying targets, because of its convenience to our observation as well as the digital and processing of video information. It is obvious that the TV lens with one kind of focal length can not meet the needs of searching, tracking and measuring. A mechanical-compensated zoom lens is adopted, Gaussian optics for the zoom system is described in order to choose the proper Gaussian solution, avoid coming into the no solution range, and the design process's blindness is decreased. An example of visible video zoom system was given with configuration f&prime;=20-200 mm, &omega;=22.62&deg;-2.3&deg;, and fit for 1/2 inch CCD.

Number of references:9

Main heading:Computer graphics

Controlled terms:Charge coupled devices - Lenses - Optical design - Optical instruments - Optical systems - Process engineering - Trellis codes

Uncontrolled terms:Ccd - Design processes - Focal lengths - Gaussian optics - Gaussian solutions - Imagine TV system - Imaging - Measuring - Searching - Tracking  - TV systems - Video informations - Zoom lens - Zoom lenses - Zoom optical systems - Zoom systems

Classification code:941.3 Optical Instruments - 921.4 Combinatorial Mathematics, Includes Graph Theory, Set Theory - 913.1 Production Engineering - 741.3 Optical Devices and Systems - 741.1 Light/Optics - 731 Automatic Control Principles and Applications - 723.5 Computer Applications - 723.2 Data Processing and Image Processing - 714.2 Semiconductor Devices and Integrated Circuits

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 54>

 

Accession number:20090711907009

Title:Investigation into up-conversion emission in Er³⁺-doped glasses

Authors:Li, Wei-Nan (1); Zou, Kuai-Sheng (1); Lu, Min (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Procession Mechanics, Chinese Academy of Sciences, Xi'an 710068, China

Corresponding author:Li, W.-N.(liweinan@opt.ac.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:SUPPL.

Issue date:November 2008

Publication year:2008

Pages:199-202

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:Er³⁺-doped silicate glasses were prepared by the high temperature melt-casting. The spectral parameters such as the oscillator strength, the spontaneous transition probabilities and the fluorescence branching ratios were calculated on a basis of the theory of Judd-Ofelt, which went up the maximum for the glasses with 0.15mol%Er<inf>2</inf>O<inf>3</inf>. At the same time Er³⁺ concentration dependence of absorption spectra was analyzed and up-conversion emission spectra of Er³⁺-doped silicate glasses were investigated. The up-conversion emission spectra present there are stronger green light and red light centered about 522 nm, 544 nm and 658 nm, corresponding to the transition of ²H<inf>11/2</inf>&rarr⁴I<inf>15/2</inf>, ⁴S<inf>3/2</inf>&rarr⁴I<inf>15/2</inf>, ⁴F<inf>9/2</inf>&rarr⁴I<inf>15/2</inf>, and up-conversion intensities of ²H<inf>11/2</inf>&rarr⁴I<inf>15/2</inf> and ⁴F<inf>9/2</inf>&rarr⁴I<inf>15/2</inf> were much higher than that of ⁴S<inf>3/2</inf>&rarr⁴I<inf>15/2</inf>. Furthermore, up-conversion intensities dependence of pump power and Er³⁺ concentration were discussed. The results showed the up-conversion mechanisms were determined to be excited state absorption and energy transfer, which indicates a tow-photon process for the green and red light.

Number of references:18

Main heading:Emission spectroscopy

Controlled terms:Absorption - Energy transfer - Erbium - Excited states - Glass - Multiphoton processes - Photons - Programming theory - Silicates

Uncontrolled terms:Concentration dependences - Er³⁺-doped glass - Excited state absorption - Fluorescence branching ratios - Green lights - High temperature melts - Judd-Ofelt - Oscillator strengths - Pump power - Red lights  - Silicate glass - Spectral parameters - Spontaneous transition probabilities - Tow-photon absorption - Up conversions - Up-conversion emission

Classification code:744.1 Lasers, General - 801 Chemistry - 802.3 Chemical Operations - 931.4 Quantum Theory; Quantum Mechanics - 812 Ceramics, Refractories and Glass - 931.2 Physical Properties of Gases, Liquids and Solids - 931.3 Atomic and Molecular Physics - 812.3 Glass - 741.1 Light/Optics - 723.1 Computer Programming - 414 Masonry Materials - 482.2 Minerals - 525.4 Energy Losses (industrial and residential) - 547.2 Rare Earth Metals - 641.2 Heat Transfer - 721.1 Computer Theory, Includes Formal Logic, Automata Theory, Switching Theory, Programming Theory

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 55>

 

Accession number:20084211646978

Title:Correction of ultraviolet single photon counting image distortion

Authors:Zhang, Xinghua (1); Zhao, Baosheng (1); Miao, Zhenhua (1); Li, Wei (1); Zhu, Xiangping (1); Liu, Yong'an (1); Zou, Wei (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Acad. of Sci., Xi'an 710119, China; (2) Graduate University, Chinese Acad. of Sci., Beijing 100049, China

Corresponding author:Zhang, X.

Source title:Chinese Optics Letters

Abbreviated source title:Chin. Opt. Lett.

Volume:6

Issue:9

Issue date:September 2008

Publication year:2008

Pages:661-664

Language:English

ISSN:16717694

Document type:Journal article (JA)

Publisher:Science Press, 18,Shuangqing Street,Haidian, Beijing, 100085, China

Abstract:Single photon counting imaging technology has been widely used in space environment detection, astronomy observation, nuclear physics, and ultraweak bioluminescence. However, the distortion of the single photon counting image will badly affect the measurement results. Therefore, the correction of distortion for single photon counting image is very significant. Ultraviolet single photon imaging system with wedge and strip anode is introduced and the influence factor leading to image distortion is analyzed. To correct original distorted image, three different image correction methods, namely, the physical correction, the global correction, and the local correction, are applied. In addition, two parameters, i.e., the position index and the linearity index, are defined to evaluate the performance of the three methods. The results suggest that the correction methods can improve the quality of the initial image without losing gray information of each counting light spot. And the local correction can provide the best visual inspections and performance evaluation among the three methods.

Number of references:14

Main heading:Electromagnetic waves

Controlled terms:Image reconstruction - Light measurement - Nuclear physics - Optoelectronic devices - Particle beams - Photons - Visual communication

Uncontrolled terms:And performance evaluation - Correction methods - Correction of distortions - Distorted images - Gray information - Image correction - Image distortions - Imaging technologies - Influence factors - Light spot  - Measurement results - Single photon counting - Single-photon imaging - Space environments - Visual inspections

Classification code:941.4 Optical Variables Measurements - 932.2 Nuclear Physics - 932.1 High Energy Physics - 931.3 Atomic and Molecular Physics - 741.3 Optical Devices and Systems - 741.1 Light/Optics - 741 Light, Optics and Optical Devices - 723.2 Data Processing and Image Processing - 717.2 Optical Communication Equipment - 717.1 Optical Communication Systems - 716.4 Television Systems and Equipment - 714.2 Semiconductor Devices and Integrated Circuits - 711 Electromagnetic Waves

DOI:10.3788/COL20080609.0661

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 56>

 

Accession number:20090911930064

Title:Measurement system for 3-D foot coordinates and parameters

Authors:Liu, Guozhong (1); Li, Yunhui (2); Wang, Boxiong (3); Shi, Hui (3); Luo, Xiuzhi (3)

Author affiliation:(1) Dept. of Opt-Electrical Information and Communication Engineering, Beijing Institute of Machinery, Qinghe, Haidian, Beijing, 100192, China; (2) Xian Railway Signal Factory, Xian, 710048, China; (3) Dept of Precision Instruments and Mechanology, Tsinghua Univ., Qinghuayuan, Haidian, Beijing, 100084, China

Corresponding author:Liu, G.(liugz03@mails.tsinghua.edu.cn)

Source title:Proceedings of SPIE - The International Society for Optical Engineering

Abbreviated source title:Proc SPIE Int Soc Opt Eng

Volume:7130

Monograph title:Fourth International Symposium on Precision Mechanical Measurements

Issue date:2008

Publication year:2008

Article number:713035

Language:English

ISSN:0277786X

CODEN:PSISDG

Document type:Conference article (CA)

Conference name:4th International Symposium on Precision Mechanical Measurements

Conference date:August 25, 2008 - August 29, 2009

Conference location:Hefei/Jiuhua Mountain, Anhui, China

Conference code:75385

Publisher:SPIE, P.O. Box 10, Bellingham WA, WA 98227-0010, United States

Abstract:The 3-D foot-shape measurement system based on laser-line-scanning principle and the model of the measurement system were presented. Errors caused by nonlinearity of CCD cameras and caused by installation can be eliminated by using the global calibration method for CCD cameras, which based on nonlinear coordinate mapping function and the optimized method. A local foot coordinate system is defined with the Pternion and the Acropodion extracted from the boundaries of foot projections. The characteristic points can thus be located and foot parameters be extracted automatically by the local foot coordinate system and the related sections. Foot measurements for about 200 participants were conducted and the measurement results for male and female participants were presented. 3-D foot coordinates and parameters measurement makes it possible to realize custom-made shoe-making and shows great prosperity in shoe design, foot orthopaedic treatment, shoe size standardization, and establishment of a feet database for consumers. &copy; 2008 SPIE.

Number of references:9

Main heading:Three dimensional

Controlled terms:Cameras - CCD cameras - Charge coupled devices - Coordinate measuring machines - Digital cameras - Lasers - Mechanical variables measurement - Scanning

Uncontrolled terms:3-D foot-shape - Characteristic points - Co-ordinate systems - Foot parameters extraction - Global calibrations - Laser-line-scanning - Measurement results - Measurement systems - Non linearities - Nonlinear coordinate mapping  - Shape measurement systems

Classification code:943.2 Mechanical Variables Measurements - 902.1 Engineering Graphics - 744.1 Lasers, General - 943.3 Special Purpose Instruments - 742.2 Photographic Equipment - 723.5 Computer Applications - 714.2 Semiconductor Devices and Integrated Circuits - 741.3 Optical Devices and Systems

DOI:10.1117/12.819672

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 57>

 

Accession number:20082711351447

Title:Annealing effect on ZnO thin films grown by laser-MBE

Authors:Yang, Xiao-Dong (1); Zhang, Jing-Wen (2); Wang, Dong (2); Bi, Zhen (2); Hou, Xun (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Key Laboratory of Photonics Technology for Information, Xi'an Jiaotong University, Xi'an 710049, China; (3) Graduate University, Chinese Academy of Sciences, Beijing 100039, China; (4) School of Physics and Photoelectronics, Henan University, Kaifeng 475000, China

Corresponding author:Yang, X.-D.

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:5

Issue date:May 2008

Publication year:2008

Pages:996-1000

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:ZnO thin films are grown on Al<inf>2</inf>O<inf>3</inf> (0001) substrate by laser molecular beam epitaxy (L-MBE). The effects of annealing process in air on the structural and luminescence properties of ZnO films are investigated by XRD and PL measurements. GIXA technique has been used for the first time on ZnO, for the quantitative investigation of the surface and interface quality of as-deposited and annealed ZnO films. RHEED patterns of ZnO film show little improvement of the surface quality, although the film is in-situ annealed at 380&deg;C and 600&deg;C, respectively. XRD in-plane &Phi; scan results show better epitaxial orientation for ZnO film annealed at 800&deg;C in air. The surface roughness of ZnO film decreased from 1.13 nm to 0.37 nm after annealing at 800&deg;C, while the interface roughness of ZnO/Al<inf>2</inf>O<inf>3</inf> increased from 2.10 nm to 2.59 nm simultaneously, as indicated by GIXA results. Room temperature photoluminescence (RT-PL) results show that the intensity of UV near band edge (NBE) emission of ZnO film increases 40 times after annealed at 800&deg;C. N-band stimulated emission (SE) is found at room temperature on the annealed ZnO samples, which is originate from electron-hole plasma (EHP) emission of ZnO. The threshold excitation intensity is found to be about 200 kW/cm² at room temperature.

Number of references:18

Main heading:Annealing

Controlled terms:Metallic films - Molecular beam epitaxy - Optical films - Semiconducting zinc compounds - Thick films - Thin films - Zinc alloys - Zinc oxide

Uncontrolled terms:Annealing effects - Annealing process - Glancing incidence x-ray analysis - Laser molecular beam epitaxy - Laser-MBE - Photoluminescence - ZnO - ZnO thin films

Classification code:804.2 Inorganic Compounds - 741.3 Optical Devices and Systems - 714.2 Semiconductor Devices and Integrated Circuits - 931.3 Atomic and Molecular Physics - 712.1.2 Compound Semiconducting Materials - 537.1 Heat Treatment Processes - 531 Metallurgy and Metallography - 546.3 Zinc and Alloys

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 58>

 

Accession number:20085011776858

Title:Image de-noising approach based on Contourlet transform and morphology

Authors:Yang, Lu (1); Su, Xiu-Qin (1); Lu, Tao (1); Liang, Jin-Feng (1); Zhang, Zhan-Peng (1)

Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanics, Xi'an 710119, China; (2) Graduate School, Chinese Academy of Sciences, Beijing 100039, China

Corresponding author:Yang, L.(yanglu.6314.@163.com)

Source title:Guangdianzi Jiguang/Journal of Optoelectronics Laser

Abbreviated source title:Guangdianzi Jiguang

Volume:19

Issue:11

Issue date:November 2008

Publication year:2008

Pages:1558-1560

Language:Chinese

ISSN:10050086

CODEN:GUJIE9

Document type:Journal article (JA)

Publisher:Board of Optronics Lasers, No. 47 Yang-Liu-Qing Ying-Jian Road, Tian-Jin City, 300380, China

Abstract:An image de-noising algorithm based on Contourlet transform and mathematical morphology was proposed. The statistics of the Contourlet coefficients of an image were studied, the coefficients of Contourlet transform of an image were manipulated by morphological operator, and morphological dilation was applied to extract the clustered significant coefficients in each subband, which result in the partition of each subband into significance clusters and insignificance space. Then, the smoothing image of the input image was using gotten the soft-thresholding method in insignificance space. Finally, two subsets were combined and the image was reconstructed. The experimental results demonstrate that compared with the traditional wavelet transform, this algorithm can denoise effectively, and keep the detail information. The method can improve the signal-to-noise ratio.

Number of references:12

Main heading:Mathematical transformations

Controlled terms:Image processing - Mathematical morphology - Mathematical operators - Signal to noise ratio - Wavelet transforms

Uncontrolled terms:Contourlet coefficients - Contourlet transform - Contourlet transforms - De noises - Image denoising - Input images - Morphological dilations - Morphological operators - Multiscale geometric analysis - Signal-to-Noise ratios  - Sub bands - Thresholding methods

Classification code:716.1 Information Theory and Signal Processing - 723.2 Data Processing and Image Processing - 741 Light, Optics and Optical Devices - 921 Mathematics - 921.3 Mathematical Transformations

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 59>

 

Accession number:20085011777214

Title:Fast adjustment and alignment of laser optical path by using visible light source and lattice

Authors:Da, Zheng-Shang (1); Sun, Ce (1); Dong, Xiao-Na (1); Duan, Xue-Ting (1); Chen, Liang-Yi (1)

Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China

Corresponding author:Da, Z.-S.(dazhengshang@opt.ac.cn)

Source title:Qiangjiguang Yu Lizishu/High Power Laser and Particle Beams

Abbreviated source title:Qiangjiguang Yu Lizishu

Volume:20

Issue:10

Issue date:October 2008

Publication year:2008

Pages:1638-1640

Language:Chinese

ISSN:10014322

CODEN:QYLIEL

Document type:Journal article (JA)

Publisher:Editorial Office of High Power Laser and Particle Beams, P.O. Box 919-805, Mianyang, 621900, China

Abstract:The character and alignment demand of laser optical path were analyzed, and a method of fast adjustment and alignment of optical path by using visible light source and glass grid was given. The adjustment process and the problem in operating wereexampled by Pre-amplifier diagnostic module of prototype facility, and the adjustment and alignment error was calculated and checked by using a collimeter. Result shows the lens axle alignment error is less than 0.07 mm in radius and less than 25&Prime; in direction.

Number of references:5

Main heading:Alignment

Controlled terms:Lasers - Light - Light sources - Lighting - Optical glass

Uncontrolled terms:Adjustment and alignment error - Alignment errors - Diagnostic modules - Lattice - Optical paths - Precision adjust - Visible lights

Classification code:744.1 Lasers, General - 744 Lasers - 741.3 Optical Devices and Systems - 741.1 Light/Optics - 812.3 Glass - 714.2 Semiconductor Devices and Integrated Circuits - 707 Illuminating Engineering - 603.1 Machine Tools, General - 601.1 Mechanical Devices - 707.2 Electric Lamps

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 60>

 

Accession number:20083011401736

Title:Effects of surface treatment for sapphire on GaN optical propertities

Authors:Peng, Dong-Sheng (1); Feng, Yu-Chun (3); Liu, Wen (3); Liu, Yi (4); Niu, Han-Ben (3)

Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Graduate University, Chinese Academy of Sciences, Beijing 100039, China; (3) Institute of Optoelectronics, Shenzhen University, Shenzhen 518060, China; (4) Normal College, Shenzhen University, Shenzhen 518060, China

Corresponding author:Peng, D.-S.

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:6

Issue date:June 2008

Publication year:2008

Pages:1161-1164

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:Etch pits on sapphire substrate surface are formed after surface treating. GaN films have been grown by LP-MOCVD on the sapphire substrate, which a half of it is treated by chemical etch. Both the thickness and dispersion of the refractive index of GaN films are obtained by spectroscopic ellipsometry. With the dispersion of the refractive index, the transmission spectrum of GaN is studied and the thickness of GaN epilayer is calculated. The two values of the thickness obtained by these two different methods are in good agreement. The epilayer grown on the surface treated sapphire substrate exhibits superior optical properties and crystal properties, in which the yellow luminescence is nearly invisible in the photoluminescence spectrum, and the higher transmission ratio and the greater modulation depth can be shown in the transmission spectrum.

Number of references:12

Main heading:Gallium alloys

Controlled terms:Chemical vapor deposition - Corundum - Dispersion (waves) - Epilayers - Epitaxial growth - Gallium nitride - Light emission - Light refraction - Luminescence - Modulation  - Molecular beam epitaxy - Optical properties - Refractive index - Refractometers - Sapphire - Semiconducting cadmium telluride - Semiconducting gallium - Spectroscopic ellipsometry - Substrates - Surface properties  - Surface treatment

Uncontrolled terms:Chemical etch - Crystal properties - Epi layers - Etch pits - GaN epi layer - GaN films - LP MOCVD - Modulation depths - Optical (PET) (OPET) - Photoluminescence (PL) spectrum  - Sapphire substrates - Surface treating - Transmission ratios - Transmission spectrums - Two different methods - Yellow luminescence (YL)

Classification code:716 Telecommunication; Radar, Radio and Television - 741.1 Light/Optics - 802.2 Chemical Reactions - 941.4 Optical Variables Measurements - 802.3 Chemical Operations - 931.3 Atomic and Molecular Physics - 941.3 Optical Instruments - 931.2 Physical Properties of Gases, Liquids and Solids - 712.1.2 Compound Semiconducting Materials - 712.1.1 Single Element Semiconducting Materials - 482.2 Minerals - 482.2.1 Gems - 539 Metals Corrosion and Protection; Metal Plating - 549.3 Nonferrous Metals and Alloys excluding Alkali and Alkaline Earth Metals - 711.1 Electromagnetic Waves in Different Media - 712.1 Semiconducting Materials

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 61>

 

Accession number:20082511319472

Title:Exact description of a cylindrically symmetrical complex-argument Laguerre-Gauss beam

Authors:Yan, Shaohui (1); Yao, Baoli (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Graduate School of the Chinese Academy of Sciences, Beijing 100039, China

Corresponding author:Yao, B.(yaobl@opt.ac.cn)

Source title:Optics Letters

Abbreviated source title:Opt. Lett.

Volume:33

Issue:10

Issue date:May 15, 2008

Publication year:2008

Pages:1074-1076

Language:English

ISSN:01469592

CODEN:OPLEDP

Document type:Journal article (JA)

Publisher:Optical Society of America, 2010 Massachusetts Ave, NW, Washington, DC, DC 20036-1023, United States

Abstract:Based on the perturbative series representation of a complex-source-point spherical wave an expression for cylindrically symmetrical complex-argument Laguerre-Gauss beams of radial order n is derived. This description acquires the accuracy up to any order of diffraction angle, and its first three corrected terms are in accordance with those given by Seshadri [Opt. Lett. 27, 1872 (2002)] based on the virtual source method. Numerical results show that on the beam axis the number of orders of nonvanishing nonparaxial corrections is equal to n. Meanwhile a higher radial mode number n leads to a smaller convergent domain of radius. &copy; 2008 Optical Society of America.

Number of references:13

Main heading:Numerical methods

Controlled terms:Diffractive optics - Gaussian distribution - Optical filters

Uncontrolled terms:Beam axis - Complex-source-point (CSP) - Diffraction angles - Gauss beams - Laguerre Gauss (LG) beams - Nonparaxial - numerica l results - Optical society of America (OSA) - Radial mode - series representations  - Spherical waves - Virtual source method

Classification code:741.1 Light/Optics - 741.3 Optical Devices and Systems - 921.6 Numerical Methods - 922.1 Probability Theory

DOI:10.1364/OL.33.001074

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 62>

 

Accession number:20082311301693

Title:Delay time of electron wave packet through a two-dimensional semiconductor heterostructure

Authors:Chen, X. (1); Li, C.-F. (1); Ban, Y. (1)

Author affiliation:(1) Department of Physics, Shanghai University, 99 Shangda Road, Shanghai 200444, China; (2) State Key Laboratory of Transient Optics and Photonics, Xian Institute of Optics and Precision Mechanics, CAS, Xian 710119, China

Corresponding author:Chen, X.(xchen@shu.edu.cn)

Source title:European Physical Journal B

Abbreviated source title:Eur. Phys. J. B

Volume:62

Issue:4

Issue date:April 2008

Publication year:2008

Pages:453-457

Language:English

ISSN:14346028

E-ISSN:14346036

Document type:Journal article (JA)

Publisher:Springer New York LLC, 233 Springer Street, New York, 10013-1578, United States

Abstract:In this work, we systematically investigate the group delay time of an electron wave packet through a two-dimensional semiconductor heterostructure. It is shown that the lateral displacement, resulting from the angular spread of the electron wave packet, plays an important role in total delay time. In the propagating case, the group delay time can be negative due to the effect of lateral displacement, and is greatly enhanced by transmission resonances. In the evanescent case, the delay time saturates to a constant in the opaque limit, which is simply the Hartman effect observed for a two-dimensional situation. &copy; 2008 EDP Sciences/Societa&grave; Italiana di Fisica/Springer-Verlag.

Number of references:36

Main heading:Wave packets

Controlled terms:Electrons - Heterojunctions - Semiconductor materials

Uncontrolled terms:Evanescent case - Hartman effect - Lateral displacement

Classification code:701.1 Electricity: Basic Concepts and Phenomena - 712.1 Semiconducting Materials - 714.2 Semiconductor Devices and Integrated Circuits - 931.4 Quantum Theory; Quantum Mechanics

Treatment:Theoretical (THR)

DOI:10.1140/epjb/e2008-00180-3

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 63>

 

Accession number:20083711526215

Title:Principle of the moving-mirror-pair interferometer and the tilt tolerance of the double moving mirror

Authors:Qinghua, Yang (1); Renkui, Zhou (1); Baochang, Zhao (1)

Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Graduate University, Chinese Academy of Sciences, Beijing 100049, China

Corresponding author:Qinghua, Y.(y00102@gmail.com)

Source title:Applied Optics

Abbreviated source title:Appl. Opt.

Volume:47

Issue:13

Issue date:May 1, 2008

Publication year:2008

Pages:2486-2493

Language:English

ISSN:1559128X

E-ISSN:15394522

CODEN:APOPAI

Document type:Journal article (JA)

Publisher:Optical Society of America, 2010 Massachusetts Ave, NW, Washington, DC, DC 20036-1023, United States

Abstract:A novel type of interferometer, the moving-mirror-pair interferometer, is presented, and its principle and properties are studied. The new interferometer is built with three flat mirrors, which include two flat moving mirrors fixed as a single moving part by a rigid structure and one flat fixed mirror. The optical path difference (OPD) is obtained by the straight reciprocating motion of the double moving mirror, and the OPD value is four times the physical shift value of the double moving mirror. The tilt tolerance of the double moving mirror of the novel interferometer is systematically analyzed by means of modulation depth and phase error. Where the square aperture is concerned, the formulas of the tilt tolerance were derived. Due to the novel interferometer's large OPD value and low cost, it is very applicable to the high-spectral- resolution Fourier-transform spectrometers for any wavenumber region from the far infrared to the ultraviolet. &copy; 2008 Optical Society of America.

Number of references:10

Main heading:Mirrors

Controlled terms:Fourier transform infrared spectroscopy - Fourier transforms - Infrared spectrometers - Interferometers - Interferometry - Modulation

Uncontrolled terms:Moving mirrors - Moving parts - Optical path difference - Reciprocating motion - Rigid structures

Classification code:941.3 Optical Instruments - 931.1 Mechanics - 921.4 Combinatorial Mathematics, Includes Graph Theory, Set Theory - 921.3 Mathematical Transformations - 941.4 Optical Variables Measurements - 801 Chemistry - 718 Telephone Systems and Related Technologies; Line Communications - 717 Optical Communication - 716 Telecommunication; Radar, Radio and Television - 741.3 Optical Devices and Systems

DOI:10.1364/AO.47.002486

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 64>

 

Accession number:20083511494006

Title:New method of phase diversity wave-front sensing based on SOFM NN

Authors:Yi, Hong-Wei (1); Li, Ying-Cai (1); Fan, Chao (1); Wang, Jiao (1)

Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Graduate University, Chinese Academy of Sciences, Beijing 100039, China; (3) College of Information Science, Henan University of Technology, Zhengzhou 450001, China

Corresponding author:Yi, H.-W.(Yi_HongWei@126.com)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:7

Issue date:July 2008

Publication year:2008

Pages:1373-1377

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:A method based on the Combination of Phase Diversity (CPD) with neural networks (NN) was proposed, which is Phase Diversity Wave-front Sensing based on Seef-organizing Feature Map (SOFM) NN. The characteristic of SOFM NN and the basic principle of this method were introduced. The performance of this method was evaluated and analysed by computer simulation. The simulation results show that this method can improve the speed of PD Wave-front Sensing and reduce the size of training set effectively. It has a potential value of practical application.

Number of references:9

Main heading:Neural networks

Controlled terms:Artificial intelligence - Computational methods - Computer simulation - Conformal mapping - Wavefronts

Uncontrolled terms:Basic principles - Feature maps - Neural network - Phase-diversity - Simulation results - SOFM NN - Spare aperture - Training sets - Wave-front sensing

Classification code:461.1 Biomedical Engineering - 711 Electromagnetic Waves - 721.1 Computer Theory, Includes Formal Logic, Automata Theory, Switching Theory, Programming Theory - 723.4 Artificial Intelligence - 723.5 Computer Applications - 921 Mathematics

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

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Accession number:20083511494021

Title:Finite element analysis of the main structure for space-borne theodolite

Authors:Wang, Guo-Fu (1); Shang, Xiao-Mei (1); Chen, Bing-Yan (3); Chen, Liang-Yi (2)

Author affiliation:(1) Department of Communication and Information Engineering, Guilin University of Electronic Technology, Guilin 541004, China; (2) Xi'an Institute Optics and Precision Mechanics, CAS, Xi'an 710119, China; (3) Henan Pinggao Electronical Joint-stock Corporation Limited, Pingdingshan 467001, China

Corresponding author:Wang, G.-F.(wanghust11@163.com)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:7

Issue date:July 2008

Publication year:2008

Pages:1450-1454

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:To meet the special demand (strong intensity but light weight) of the space-borne theodolite during the launching, a new plan is required. According to the characteristics of the main structure for the space-borne theodolite, using the finite element theory on a large finite element software ANSYS platform, a simulating analysis for statics and dynamics characteristics of the main structure for the space-borne theodolite was done. The mechanism's stress and displacement distribution under launching are predicted during the early stage of structure design. The result indicated that when some frequencies of environment is close to theodolite's NO.6 natural frequencies, the structural of the theodolite should be suitably changed, thus avoiding the resonance effect. The biggest distortion and stress were reduced a magnitude of the U frame using reasonable structure.

Number of references:11

Main heading:Finite element method

Controlled terms:Launching - Machine design - Pile foundations

Uncontrolled terms:ANSYS - Displacement distribution - Dynamics characteristics - Finite element analysis - Finite element software - Finite Element theory - Light weighting - Main structure - Optimization design - Resonance effects  - Simulating analysis - Space-borne - Space-borne theodolite - Structure design

Classification code:483.2 Foundations - 601 Mechanical Design - 655.1 Spacecraft, General - 921.6 Numerical Methods

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

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Accession number:20090711902094

Title:Analysis on performance of PCSS triggered by femto-second laser pulse by position

Authors:Jing, Zheng (1); Wang, Tao (1); Ruan, Chi (1); Yang, Hong-Chun (3); Wang, Jing-Wei (1); Wu, Lei-Xue (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Graduate University, Chinese Academy of Sciences, Beijing 100049, China; (3) University of Electronic Science and Technology of China, Chengdu 610054, China

Corresponding author:Jing, Z.(jzopt@21cn.com)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:12

Issue date:December 2008

Publication year:2008

Pages:2383-2386

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:Aim at the application circumstance of coupling PCSS array with a bunch of fibers, a new experiment plane for testing the influence of laser trigger position to the performance of PCSS was proposed. The results showed that the output impulse was changed a lot by the different trigger position. It increased when the trigger point moved from the cathode to the anode. The impulse reaches its peak value when the laser near the anode but decreased when the trigger come to the edge of anode. The results were analyzed and an explanation based on theory of semiconductor and distribution of the electronic field inside was given.

Number of references:7

Main heading:Pulsed laser applications

Controlled terms:Electric field effects - Electric fields - Gallium alloys - Lasers - Programming theory - Semiconducting gallium - Semiconductor lasers

Uncontrolled terms:Electric field intensity distribution - Femto-second laser pulse - GaAs - PCSS - Peak values - Trigger points - Trigger position

Classification code:744.4.1 Semiconductor Lasers - 744.1 Lasers, General - 723.1 Computer Programming - 721.1 Computer Theory, Includes Formal Logic, Automata Theory, Switching Theory, Programming Theory - 744.9 Laser Applications - 714.2 Semiconductor Devices and Integrated Circuits - 712.1 Semiconducting Materials - 701.1 Electricity: Basic Concepts and Phenomena - 549.3 Nonferrous Metals and Alloys excluding Alkali and Alkaline Earth Metals - 712.1.1 Single Element Semiconducting Materials

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 67>

 

Accession number:20085011780327

Title:All optical format conversion at 10 Gbps using SOA and optical band-pass filter

Authors:Xie, Yiyuan (1); Zhanga, Jianguo (2); Wang, Weiqiang (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics, Precision Mechanics, Chinese Adademy of Sciences, Xi'an, China; (2) Department of Electrical, Computer and Communications Engineering, London South Bank University, London, United Kingdom

Corresponding author:Xie, Y.(xieyiyuan1000@hotmail.com)

Source title:Journal of Modern Optics

Abbreviated source title:J. Mod. Opt.

Volume:55

Issue:18

Issue date:October 2008

Publication year:2008

Pages:3021-3033

Language:English

ISSN:09500340

E-ISSN:13623044

CODEN:JMOPEW

Document type:Journal article (JA)

Publisher:Taylor and Francis Ltd., 4 Park Square, Milton Park, Abingdon, Oxfordshire, OX14 4RN, United Kingdom

Abstract:In this paper, an all-optical non return-to-zero (NRZ) and return-to-zero (RZ) modulation format converter using a single semiconductor optical amplifier (SOA) and an optical band-pass filter (OBPF) is proposed. The format converter consists of a single SOA which is acting as a nonlinear element to broaden the spectrum of the input signal and the OBPF which is used to extract the special spectrum from the broadened spectrum. By adopting the ultra-fast SOA model associated with optical system software, the 10 Gbps NRZ and RZ format conversion is successfully demonstrated with simulation. We also demonstrate the proof-of-principle experiment at 10 Gbps by using the test SOA and OBF converter. The converted NRZ is achieved with an output extinction ratio of 11.51 dB. The BER is 5.5 &times; 10-9 while the power of NRZ is -10 dBm and the BER is 1.0 &times; 10-9 when the power of RZ is -14 dBm. The experimental results coincide well with the simulated results. The proposed scheme is robust and has potential for applications in future optical networks.

Number of references:22

Main heading:Optical communication

Controlled terms:Electric conductivity - Fiber optic networks - Light amplifiers - Modulation - Optical data processing - Optical fibers - Optical frequency conversion - Optical materials - Optical switches - Optical systems  - Optoelectronic devices - Photolithography - Semiconducting indium - Semiconductor materials - Semiconductor optical amplifiers - Wave filters

Uncontrolled terms:Broadened spectrums - Extinction ratios - Format conversion semiconductor optical amplifier (SOA) - Input signals - Modulation formats - Non-return-to-zero (NRZ) - Nonlinear elements - Optical bands - Optical fiber communication - Optical format conversions  - Optical networks - Optical system softwares - Optical- - Principle experiments - Return-to-zero (RZ) - Rz formats - Simulated results - SOA models

Classification code:723.2 Data Processing and Image Processing - 741.1.1 Nonlinear Optics - 741.1.2 Fiber Optics - 718 Telephone Systems and Related Technologies; Line Communications - 741.3 Optical Devices and Systems - 744.4 Solid State Lasers - 745.1 Printing - 744.1 Lasers, General - 717.2 Optical Communication Equipment - 703.2 Electric Filters - 712.1 Semiconducting Materials - 712.1.1 Single Element Semiconducting Materials - 701.1 Electricity: Basic Concepts and Phenomena - 714.2 Semiconductor Devices and Integrated Circuits - 717 Optical Communication - 717.1 Optical Communication Systems - 716 Telecommunication; Radar, Radio and Television

DOI:10.1080/09500340802302360

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

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Accession number:20083511483524

Title:Generation of optimized wavelength-tunable optical pulse from an uncooled gain-switched Fabry-Perot semiconductor laser using optical amplifier as external light injection

Authors:Liu, Yuanshan (1); Zhang, Jianguo (1); Zhao, Wei (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an, 710068, China; (2) Graduate School, Chinese Academy of Sciences, Beijing, 100039, China; (3) Department of Electrical, Computer and Communications Engineering, London South Bank University, London, SE16OAA, United Kingdom

Corresponding author:Liu, Y.(bull0601@gmail.com)

Source title:Optics Communications

Abbreviated source title:Opt Commun

Volume:281

Issue:19

Issue date:October 1, 2008

Publication year:2008

Pages:4971-4974

Language:English

ISSN:00304018

CODEN:OPCOB8

Document type:Journal article (JA)

Publisher:Elsevier, P.O. Box 211, Amsterdam, 1000 AE, Netherlands

Abstract:We present a novel system design that can generate the optimized wavelength-tunable optical pulse streams from an uncooled gain-switched Fabry-Perot semiconductor laser using an optical amplifier as external light source. The timing jitter of gain-switched laser has been reduced from about 3 ps to 600 fs and the pulse width has been optimized by using our system. The stability of the system was also experimentally investigated. Our results show that an uncooled gain-switched FP laser system can feasibly produce the stable optical pulse trains with pulse width of 18 ps at the repetition frequency of 5 GHz during 7 h continuous working. We respectively proved the system feasibility under 1 GHz, 2.5 GHz and 5 GHz operation. &copy; 2008 Elsevier B.V. All rights reserved.

Number of references:25

Main heading:Pulsed laser applications

Controlled terms:Electric conductivity - Fabry-Perot interferometers - Heterojunctions - Jitter - Laser pulses - Lasers - Light - Light amplifiers - Light pulse generators - Light sources  - Lighting - Microwave generation - Optical switches - Optimization - Optoelectronic devices - Semiconductor lasers - Semiconductor materials - System stability - Timing jitter

Uncontrolled terms:External light injection - External- - F-P lasers - Fabry-Perot semiconductor - Gain-switched - Gain-switched semiconductor laser - Low-cost ultrashort optical source - Optical communications - Optical pulse trains - Optical pulses  - Optical- - Pulse width - Repetition frequencies - System designs - Timing jitters - Uncooled - Uncooled Fabry-Perot laser - Wavelength-tunable

Classification code:741.3 Optical Devices and Systems - 744.1 Lasers, General - 744.4.1 Semiconductor Lasers - 744.9 Laser Applications - 921.5 Optimization Techniques - 941.3 Optical Instruments - 961 Systems Science - 741.1 Light/Optics - 701.1 Electricity: Basic Concepts and Phenomena - 707 Illuminating Engineering - 707.2 Electric Lamps - 712.1 Semiconducting Materials - 713.2 Oscillators - 714.2 Semiconductor Devices and Integrated Circuits - 716 Telecommunication; Radar, Radio and Television

DOI:10.1016/j.optcom.2008.06.051

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 69>

 

Accession number:20092412126246

Title:Centroid registration difference algorithm for detecting spatial moving targets

Authors:Xiang, Liu (1); Bing-Liang., Hu (1); Xue-Bin., Liu (1); Xiao-Feng., Duan (1); Cui-Yu., Wei (1)

Author affiliation:(1) Laboratory of Spectral Imaging Technique, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi' an, Shaanxi,710119, China; (2) Graduate Student College of Chinese Academy of Sciences, Beijing, 100039, China

Corresponding author:Xiang, L.

Source title:2008 2nd International Symposium on Systems and Control in Aerospace and Astronautics, ISSCAA 2008

Abbreviated source title:Int. Symp. Syst. Control. Aerosp. Astronaut., ISSCAA

Monograph title:2008 2nd International Symposium on Systems and Control in Aerospace and Astronautics, ISSCAA 2008

Issue date:2008

Publication year:2008

Article number:4776180

Language:English

Document type:Conference article (CA)

Conference name:2008 2nd International Symposium on Systems and Control in Aerospace and Astronautics, ISSCAA 2008

Conference date:December 10, 2008 - December 12, 2008

Conference location:Shenzhen, China

Conference code:77469

Publisher:Inst. of Elec. and Elec. Eng. Computer Society, 445 Hoes Lane - P.O.Box 1331, Piscataway, NJ 08855-1331, United States

Abstract:In order to meet the needs of recognizing the targets under the moving space background by micro spacecraft target detector (MTD). According to the particular characters of the spatial background, this paper proposes an algorithm which combines the image centroid registration with the single difference method, named the Centroid Registration Difference Algorithm. In this algorithm, we labeled only the available bright sign spots and has distilled its centroid in two frames, and then used the image centroid registration to compare the two images and eliminated the same light spots between them, then the remaining bright spots in the present image were our targets. The simulation results indicate that the proposed algorithm has a low computational cost and the effect of the recognition is good.

Number of references:8

Main heading:Targets

Controlled terms:Algorithms - Detectors - Space flight - Spacecraft equipment

Uncontrolled terms:Bright spots - Computational costs - Difference algorithms - Image centroid - Image centroid registration - Light spot - Micro spacecraft - Micro spacecraft target detector - Moving targets - Multi-target capture  - Simulation result - Single difference - Single difference method - Target detectors

Classification code:655.1 Spacecraft, General - 656.1 Space Flight - 723 Computer Software, Data Handling and Applications - 914 Safety Engineering - 921 Mathematics - 932.1.1 Particle Accelerators

DOI:10.1109/ISSCAA.2008.4776180

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

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Accession number:20083711526179

Title:Principle and analysis of the moving-optical-wedge interferometer

Authors:Yang, Qinghua (1); Zhou, Renkui (1); Zhao, Baochang (1)

Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an, 710119, China; (2) Graduate University, Chinese Academy of Sciences, Beijing, 100049, China

Corresponding author:Yang, Q.(y00102@gmail.com)

Source title:Applied Optics

Abbreviated source title:Appl. Opt.

Volume:47

Issue:13

Issue date:May 1, 2008

Publication year:2008

Pages:2186-2191

Language:English

ISSN:1559128X

E-ISSN:15394522

CODEN:APOPAI

Document type:Journal article (JA)

Publisher:Optical Society of America, 2010 Massachusetts Ave, NW, Washington, DC, DC 20036-1023, United States

Abstract:A new type of interferometer, the moving-optical-wedge interferometer, is presented, and its principle and properties are studied. The novel interferometer consists of one beam splitter, two flat fixed mirrors, two fixed compensating plates, one fixed optical wedge, and one moving optical wedge. The optical path difference (OPD) as a function of the displacement of the moving optical wedge from the zero path difference position is accomplished by the straight reciprocating motion of the moving optical wedge. A large physical shift of the moving optical wedge corresponds to a very short OPD value of the new interferometer if the values of the wedge angle and the refractive index of the two optical wedges are given properly. The new interferometer is not so sensitive to the velocity variation of the moving optical wedge and the mechanical disturbances compared with the Michelson interferometer, and it is very applicable to low-spectral-resolution application for any wavenumber region from the far infrared down to the ultraviolet. &copy; 2008 Optical Society of America.

Number of references:5

Main heading:Optical beam splitters

Controlled terms:Interferometers - Interferometry - Michelson interferometers - Optical properties - Refractive index

Uncontrolled terms:Optical wedges

Classification code:741.1 Light/Optics - 741.3 Optical Devices and Systems - 941.3 Optical Instruments - 941.4 Optical Variables Measurements

DOI:10.1364/AO.47.002186

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 71>

 

Accession number:20090211851179

Title:Representation theory for vector electromagnetic beams

Authors:Li, Chun-Fang (1)

Author affiliation:(1) Department of Physics, Shanghai University, 99 Shangda Road, Baoshan District, 200444 Shanghai, China; (2) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, CAS, 710119 Xi'an, China; (3) Dipartimento di Fisica, Universit&#224; Roma Tre, Via della Vasca Navale 84, I-00146 Rome, Italy

Corresponding author:Li, C.-F.(cfli@shu.edu.cn)

Source title:Physical Review A - Atomic, Molecular, and Optical Physics

Abbreviated source title:Phys Rev A

Volume:78

Issue:6

Issue date:December 18, 2008

Publication year:2008

Article number:063831

Language:English

ISSN:10502947

E-ISSN:10941622

CODEN:PLRAAN

Document type:Journal article (JA)

Publisher:American Physical Society, One Physics Ellipse, College Park, MD 20740-3844, United States

Abstract:A representation theory of finite electromagnetic beams in free space is formulated by factorizing the field vector of the plane-wave component into a 3&times;2 mapping matrix and a two-component Jones-like vector. The mapping matrix has one degree of freedom that can be described by the azimuthal angle of a fixed unit vector with respect to the wave vector. This degree of freedom allows us to find out such a beam solution in which every plane-wave component is specified by the same fixed unit vector I and has the same normalized Jones-like vector. The angle &theta;I between the fixed unit vector I and the propagation axis acts as a parameter that describes the vectorial property of the beam. The impact of &theta;I is investigated on a beam of angular-spectrum field scalar that is independent of the azimuthal angle. The field vector in position space is calculated in the first-order approximation under the paraxial condition. A transverse effect is found that a beam of elliptically polarized angular spectrum is displaced from the center in the direction that is perpendicular to the plane formed by the fixed unit vector and the propagation axis. The expression of the transverse displacement is obtained. Its paraxial approximation is also given. &copy; 2008 The American Physical Society.

Number of references:37

Main heading:Vectors

Controlled terms:Conformal mapping - Electromagnetic field theory - Polynomial approximation

Uncontrolled terms:Angular spectrums - Azimuthal angles - Degree of freedoms - Electromagnetic beams - First orders - Free spaces - Mapping matrixes - One degree of freedoms - Paraxial - Paraxial approximations  - Propagation axis - Representation theories - Transverse displacements - Transverse effects - Unit vectors - Wave components - Wave vectors

Classification code:701 Electricity and Magnetism - 921 Mathematics - 921.1 Algebra - 921.6 Numerical Methods

DOI:10.1103/PhysRevA.78.063831

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

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Accession number:20090411872945

Title:Blind image restoration algorithm iteratively using wavelet denoising and total variation regularization

Authors:Zhou, Zuo-Feng (1); Shui, Peng-Lang (1)

Author affiliation:(1) National Lab of Radar Signal Processing, Xidian University, Xi'an 710071, China; (2) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China

Corresponding author:Zhou, Z.-F.

Source title:Dianzi Yu Xinxi Xuebao/Journal of Electronics and Information Technology

Abbreviated source title:Dianzi Yu Xinxi Xuebao

Volume:30

Issue:12

Issue date:December 2008

Publication year:2008

Pages:2912-2915

Language:Chinese

ISSN:10095896

CODEN:DKXUEC

Document type:Journal article (JA)

Publisher:Science Press, 18,Shuangqing Street,Haidian, Beijing, 100085, China

Abstract:Blind image restoration is to recover the original image form the observed degraded image with unknown the Point Spread Function (PSF). This paper proposes a blind image restoration algorithm iteratively using wavelet denoising and total variation regularization. The observation model is first divided into two mutually associated sub-models, and this representation converses the blind restoration into the two issues of image denoising and image restoration, which makes us to solve the problem by iteratively using image denoising and image restoration algorithms. The stage of the PSF identification uses Total Variation (TV) regularization and the stage of image restoration uses wavelet denoising and TV regularization. The experimental results show that the proposed algorithm achieves better performance than the existing algorithms.

Number of references:12

Main heading:Repair

Controlled terms:Functions - Image processing - Image reconstruction - Optical transfer function - Probability density function - Restoration

Uncontrolled terms:Blind image restoration - Degraded images - Image denoising - Image restoration algorithms - Image restorations - Observation models - Original images - Point Spread Function (PSF) - Total Variation (TV) regularization - Total variation regularizations  - TV regularizations - Wavelet denoising

Classification code:921 Mathematics - 913.5 Maintenance - 741.1 Light/Optics - 922.1 Probability Theory - 741 Light, Optics and Optical Devices - 409 Civil Engineering, General - 402 Buildings and Towers - 723.2 Data Processing and Image Processing

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 73>

 

Accession number:20083711533942

Title:Modulated photothermal reflectance technique for measuring thermal conductivity of nano film on substrate and thermal boundary resistance

Authors:Bu, W.F. (1); Tang, D.W. (1); Wang, Z.L. (1); Zheng, X.H. (1); Cheng, G.H. (2)

Author affiliation:(1) Institute of Engineering Thermophysics, Chinese Academy of Sciences, Beijing, 100080, China; (2) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 7710119, China

Corresponding author:Tang, D.W.(dwtang@mail.etp.ac.cn)

Source title:Thin Solid Films

Abbreviated source title:Thin Solid Films

Volume:516

Issue:23

Issue date:October 1, 2008

Publication year:2008

Pages:8359-8362

Language:English

ISSN:00406090

CODEN:THSFAP

Document type:Journal article (JA)

Publisher:Elsevier, P.O. Box 211, Amsterdam, 1000 AE, Netherlands

Abstract:The thermal conductivities of thermally oxidated SiO<inf>2</inf> films of 98&nbsp;nm, 148&nbsp;nm, and 322&nbsp;nm in thickness on Si substrate are measured using modulated photothermal reflectance technique. In the measuring principle, the equivalent transmission-line analysis is applied to the multilayer heat conduction problem and the simulated annealing algorithm is applied in the inverse analysis for determining the thermal conductivity and thermal boundary resistance. The thermal conductivity of the nano-SiO<inf>2</inf> film is found being less than its bulk value and thickness dependent. The thermal boundary resistance between SiO<inf>2</inf> and Al coating is found being comparable to the thermal resistance of the SiO<inf>2</inf> layer. &copy; 2008 Elsevier B.V. All rights reserved.

Number of references:12

Main heading:Thermal conductivity of solids

Controlled terms:Carbon fiber reinforced plastics - Silicon compounds - Thermal conductivity - Thermal insulating materials - Thermodynamic properties - Thermoelectricity

Uncontrolled terms:Interface thermal resistance - Nano film - Photothermal reflectance technique - Silicon dioxide - Simulation Annealing Algorithm - Thermal boundary resistance - Thin films

Classification code:931.2 Physical Properties of Gases, Liquids and Solids - 817.1 Polymer Products - 804.2 Inorganic Compounds - 804.1 Organic Compounds - 712.1.2 Compound Semiconducting Materials - 933 Solid State Physics - 701.1 Electricity: Basic Concepts and Phenomena - 641.1 Thermodynamics - 615.4 Thermoelectric Energy - 415.2 Plastics Structural Materials - 413.2 Heat Insulating Materials - 641.2 Heat Transfer

DOI:10.1016/j.tsf.2008.04.037

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 74>

 

Accession number:20083211431568

Title:Application of bacteriorhodopsin film for polarization phase-shifting interferometry

Authors:Han, Junhe (1); Yao, Baoli (1); Gao, Peng (1); Chen, Liju (1); Wang, Yingli (1); Lei, Ming (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'An Institute of Optics and Precision Mechanics, Xi'an, China; (2) Graduate School, Chinese Academy of Sciences, Beijing, China; (3) School of Physics and Electronics, Henan University, Kaifeng, China

Corresponding author:Yao, B.(yaobl@opt.ac.cn)

Source title:Journal of Modern Optics

Abbreviated source title:J. Mod. Opt.

Volume:55

Issue:14

Issue date:August 2008

Publication year:2008

Pages:2215-2222

Language:English

ISSN:09500340

E-ISSN:13623044

CODEN:JMOPEW

Document type:Journal article (JA)

Publisher:Taylor and Francis Ltd., 4 Park Square, Milton Park, Abingdon, Oxfordshire, OX14 4RN, United Kingdom

Abstract:Photoinduced anisotropy in bacteriorhodopsin (BR) film is based on photoanisotropic selective bleaching of BR molecules under linearly polarized excitation light. It is modulated by the polarization orientation of the linearly polarized light. The anisotropic information recorded in the BR film is read by a circularly polarized light, which is in turn converted into an elliptical polarized light by the BR film. The rotation angle and the ellipticity of the elliptical polarized light are dependent on the polarization orientation of the linearly polarized excitation light. A phase-shifting interferometer based on the photoinduced anisotropy of BR film is presented theoretically and experimentally. Phase shift is controlled by the polarization orientation of the external excitation light, thus, the phase shift can be controlled without moving parts inside the interferometer, which contributes to the mechanical stability of the system.

Number of references:20

Main heading:Stereochemistry

Controlled terms:Anisotropy - Crystallography - Interferometers - Interferometry - Light polarization - Mechanical stability - Optical instruments - Phase shift - Phase stability - Polarization  - System stability

Uncontrolled terms:Bacteriorhodopsin (bR) - Bacteriorhodopsin (bR) films - BR films - Circularly polarized light (CPL) - External excitations - Linearly polarized - Linearly polarized (LP) light - Moving part (a firearm bolt) - Phase shifting interferometers - Photoinduced anisotropy (PIA)  - Polarization orientations - Polarization phase - Polarized light - Rotation angles

Classification code:961 Systems Science - 941.4 Optical Variables Measurements - 941.3 Optical Instruments - 933.1 Crystalline Solids - 931.2 Physical Properties of Gases, Liquids and Solids - 801.4 Physical Chemistry - 801 Chemistry - 741.1 Light/Optics - 703.1 Electric Networks - 701.1 Electricity: Basic Concepts and Phenomena - 422 Strength of Building Materials; Test Equipment and Methods

DOI:10.1080/09500340802082350

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

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Accession number:20083811559082

Title:Two-photon dicke-narrowing selective reflection spectroscopyin thin atomic vapor

Authors:Li, Yuanyuan (1); Hou, Xun (1); Bai, Jintao (1); Yan, Junfeng (1); Gan, Chenli (4); Zhang, Yanpeng (4)

Author affiliation:(1) Key Laboratory of Photoelectronic Technology of Shaanxi Province, Institute of Photonics and Photonic Technology, Northwest University, Xi'an 710069, China; (2) Department of Physics, Xi'an University of Arts and Science, Xi'an 710065, China; (3) State Key Laboratory of Transient Optics and Technology, Xi'an Institute of Optics and Precision Mechanics, Chinese Acad. of Sci., Xi'an 710068, China; (4) Key Laboratory for Physical Electronics and Devices, Xi'an Jiaotong University, Xi'an 710049, China

Corresponding author:Li, Y.(liyynxcn@yahoo.cn)

Source title:Guangxue Xuebao/Acta Optica Sinica

Abbreviated source title:Guangxue Xuebao

Volume:28

Issue:8

Issue date:August 2008

Publication year:2008

Pages:1623-1627

Language:Chinese

ISSN:02532239

CODEN:GUXUDC

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:Two-photon Dicke-narrowing selective reflection (TDNSR) spectroscopy is studied in a system of &Lambda;-type three-level atoms confined between two dielectric walls. TDNSR lines are investigated for the cases of different thicknesses of the vapor film and different strengths of the pump field. Because of de-excited behavior induced by atom-wall collision, effect of slow atoms in a thin atomic vapor film and Doppler-free configuration, sub-Doppler lines can be obtained in many cases. It is also found that TDNSR lines change periodically with the ratio of L/&lambda; (L is the thickness of the atomic film and &lambda; is the wavelength of the probe field). TDNSR disappears for L=2m&lambda;/4 (m is an integer) and revives a typical dispersion shape for 2m&lambda;/4&lt;L&lt;(2m+2)&lambda;/4 with an enhanced symmetry when L approaches to (2m+1)&lambda;/4. As the pump field is exactly tuned to the transition |2&gt;-|3&gt;, the fast variation of TDNSR near &Delta;d=0 (&Delta;d is the detuning of the probe field) indicates a dramatically group-velocity reduction of the probe field.

Number of references:16

Main heading:Atoms

Controlled terms:Arsenic compounds - Atomic physics - Computer networks - Electromagnetic waves - Photons - Pumps - Reflection - Vapors - Walls (structural partitions)

Uncontrolled terms:Dicke narrowing - Group-velocity reduction - Probe fields - Selective reflection spectroscopy - Spectroscopy

Classification code:722 Computer Systems and Equipment - 723 Computer Software, Data Handling and Applications - 741.1 Light/Optics - 804 Chemical Products Generally - 804.1 Organic Compounds - 804.2 Inorganic Compounds - 931.3 Atomic and Molecular Physics - 718 Telephone Systems and Related Technologies; Line Communications - 402 Buildings and Towers - 408.2 Structural Members and Shapes - 618.2 Pumps - 641.1 Thermodynamics - 711 Electromagnetic Waves - 716 Telecommunication; Radar, Radio and Television - 717 Optical Communication

DOI:10.3788/AOS20082808.1623

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 76>

 

Accession number:20082411310595

Title:Zero-broadening SBS slow light propagation in an optical fiber using two broadband pump beams

Authors:Wang, Shihe (1); Ren, Liyong (1); Liu, Yu (1); Tomita, Yasuo (2)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Department of Electronics Engineering, University of Electro-Communications, 1-5-1 Chofu-gaoka, Chofu, Tokyo 182-8585, Japan

Corresponding author:Wang, S.

Source title:Optics Express

Abbreviated source title:Opt. Express

Volume:16

Issue:11

Issue date:May 26, 2008

Publication year:2008

Pages:8067-8076

Language:English

E-ISSN:10944087

Document type:Journal article (JA)

Publisher:Optical Society of America, 2010 Massachusetts Ave, NW, Washington, DC, DC 20036-1023, United States

Abstract:A new method of tailoring stimulated Brillouin scattering (SBS) gain spectrum for slow light propagation is proposed by use of two Gaussian-shaped broadband pump beams with different powers and spectral widths. The central frequency interval between the two pump beams are carefully set to be two inherent Brillouin frequency shift, ensuring that the gain spectrum of one pump has the same central frequency with the loss spectrum of the other one. Different gain profiles are obtained and analyzed. Among them a special gain profile is found that ensures a zero-broadening of the signal pulse independent of the Brillouin gain. This is owing to the compensation between the positive gain-dependent broadening and the negative GVD (group velocity dispersion) dependent broadening. The relationship of two pump beams is also found for constructing such a gain profile. It provides us a new idea of managing the broadening of SBS-based slow pulse by artificially constructing and optimizing the profile of gain spectrum. &copy;2008 Optical Society of America.

Number of references:20

Main heading:Gaussian beams

Controlled terms:Brillouin scattering - Crack propagation - Electromagnetic field theory - Electromagnetic fields - Electromagnetism - Fiber optics - Light propagation - Magnetism - Optical fibers - Pumps  - Stimulated Brillouin scattering

Uncontrolled terms:Brillouin frequency shifts - Brillouin gain - Central frequency (CF) - gain spectrum - gaussian - Group velocity (GV) - new ideas - New methods - Optical (PET) (OPET) - Optical society of America (OSA)  - Pump beams - Signal pulses - Slow-light propagation - Spectral widths - Stimulated Brillouin scattering (SBS)

Classification code:951 Materials Science - 741.1.2 Fiber Optics - 741.1 Light/Optics - 711 Electromagnetic Waves - 701.2 Magnetism: Basic Concepts and Phenomena - 701 Electricity and Magnetism - 618.2 Pumps

DOI:10.1364/OE.16.008067

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 77>

 

Accession number:20083711537995

Title:Slope errors of water cooling crystal surface for a double-crystal monochromator

Authors:Zhou, Sizhong (0); Qu, Weide (0); Deng, Xiaoguo (0); Xia, Shaojian (0); Jiang, Bo (0); Yang, Xiaoxu (0)

Corresponding author:Zhou, S.

Corr. author affiliation:Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China

Source title:He Jishu/Nuclear Techniques

Abbreviated source title:He Jishu

Volume:31

Issue:8

Issue date:August 2008

Publication year:2008

Pages:565-570

Language:Chinese

ISSN:02533219

CODEN:NUTEDL

Document type:Journal article (JA)

Publisher:Science Press, Beijing, 100085, China

Abstract:For the third synchrotron radiation facility, four reasons resulting in diffraction crystal distortion of double-crystal monochromator, and deficiency of traditional water cooling crystal are analyzed, and irregular structure of water cooling crystal is proposed. Slope error of crystal have achieved by numerical simulation analysis of finite element method. The result indicates that slope error of crystal surface in sagital and meridian is 1 double prime and 0.6 double prime .

Number of references:12

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 78>

 

Accession number:20084611695754

Title:Design of superstructure fiber Bragg gratings with a Fourier analysis technique and its applications to multiple ultranarrow transmission gratings

Authors:Liu, Xueming (1)

Author affiliation:(1) Chinese Academy of Sciences, State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Xi'an 710119, China

Corresponding author:Liu, X.(liuxm@opt.ac.cn)

Source title:Optical Engineering

Abbreviated source title:Opt Eng

Volume:47

Issue:11

Issue date:2008

Publication year:2008

Report number:080268RR

Article number:115001

Language:English

ISSN:00913286

E-ISSN:15602303

CODEN:OPEGAR

Document type:Journal article (JA)

Publisher:SPIE, P.O. Box 10, Bellingham WA, WA 98227-0010, United States

Abstract:Superstructure fiber Bragg gratings (FBGs) have been comprehensively analyzed with Fourier theory and experimentally demonstrated. By using Fourier transforms, it has been proven that (1) the traditional uniform FBG produces only a single response in the spectrum, (2) multiple phase-sampled gratings can be regarded as independent interleaved FBGs with different phases, and (3) the multiple phase sampling technique has the capacity to densify the spectral channels. Based on Fourier theory, for the first time to the author's knowledge, a kind of superstructure FBGs with multiple ultranarrow transmission windows, obtained by introducing a &pi; phase shift into the center of grating, is proposed and has been confirmed experimentally. &copy; 2008 Society of Photo-Optical Instrumentation Engineers.

Number of references:16

Main heading:Fourier transforms

Controlled terms:Fiber Bragg gratings - Fiber optic components - Fiber optic sensors - Fourier analysis - Mathematical transformations - Optical filters

Uncontrolled terms:Fourier theories - Phase samplings - Sampled gratings - Spectral channels - Superstructure Fiber Bragg Gratings - Transmission gratings - Transmission windows

Classification code:921.3 Mathematical Transformations - 921 Mathematics - 752 Sound Devices, Equipment and Systems - 751 Acoustics, Noise. Sound - 741.3 Optical Devices and Systems - 741.1.2 Fiber Optics - 732.2 Control Instrumentation - 717.2 Optical Communication Equipment - 482.1 Mineralogical Techniques

DOI:10.1117/1.3006090

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 79>

 

Accession number:20090911934167

Title:Identical-dual-bandpass sampled fiber Bragg grating and its application to ultranarrow filters

Authors:Liu, Xueming (1); Lin, Aoxiang (1); Sun, Guoyong (1); Moon, Dae Seung (1); Hwang, Dusun (1); Chung, Youngjoo (1)

Author affiliation:(1) Department of Information and Communications, Gwangju Institute of Science and Technology (GIST), 1 Oryong-dong, Buk-gu, Gwangju 500-712, Korea, Republic of; (2) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China

Corresponding author:Liu, X.(liuxm@opt.ac.cn)

Source title:Applied Optics

Abbreviated source title:Appl. Opt.

Volume:47

Issue:30

Issue date:October 20, 2008

Publication year:2008

Pages:5637-5643

Language:English

ISSN:1559128X

E-ISSN:15394522

CODEN:APOPAI

Document type:Journal article (JA)

Publisher:Optical Society of America, 2010 Massachusetts Ave, NW, Washington, DC, DC 20036-1023, United States

Abstract:We have theoretically proposed and experimentally demonstrated a new kind of ultranarrow identical-dual-bandpass sampled fiber Bragg gratings (SFBGs) with a &pi; phase shift technique. The spacing of two bandpasses of the proposed grating can be flexibly adjusted by changing the sampled period, and any desired spacing can be achieved in principle. An experimental example shows that the transmission peaks of two narrow transmission-band are near 1549.1 and 1550.lnm. Based on the proposed SFBG, an ultranarrow identical-dual-channel filter is designed. Two channels of the proposed filter have an equal bandwidth, an even strength, and the same group delay. The bandwidth of each channel of our filter is as small as 1 pm and up to l0^-3 pm (corresponding to &tilde;0.1 MHz), which is less than the bandwidth of the conventional SFBG filters by a factor of 10²-10⁴. The proposed grating and filter can find potential applications with slow light and dual-wavelength single-longitudinal-mode fiber lasers. &copy; 2008 Optical Society of America.

Number of references:23

Main heading:Fiber Bragg gratings

Controlled terms:Bandwidth - Fiber lasers - Fiber optic components - Fiber optic sensors - Telecommunication systems

Uncontrolled terms:Band pass - Dual channels - Dual wavelengths - Group delays - Phase shift techniques - Potential applications - Sampled fiber bragg gratings - Single longitudinal modes - Slow lights - Transmission peaks  - Two channels - Ultra-narrow filters

Classification code:741.3 Optical Devices and Systems - 741.1.2 Fiber Optics - 732.2 Control Instrumentation - 744.4 Solid State Lasers - 718 Telephone Systems and Related Technologies; Line Communications - 716.1 Information Theory and Signal Processing - 716 Telecommunication; Radar, Radio and Television - 717 Optical Communication

DOI:10.1364/AO.47.005637

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 80>

 

Accession number:20090711906838

Title:Elimination of impurities in Ge-Se-Sb glasses

Authors:Dai, Shi-Xun (1); Peng, Bo (1); Shen, Xiang (2); Wang, Xun-Si (2); Nie, Qiu-Hua (2); Xu, Tie-Feng (2); Zhang, Xiang-Hua (2)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) College of Information Science and Engineering, Ningbo University, Ningbo 315211, China; (3) Laboratoire des verres et C&#233;ramiques, Universit&#233; de Rennes I, Rennes 35042, France

Corresponding author:Dai, S.-X.(daishixun@nbu.edu.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:SUPPL.

Issue date:November 2008

Publication year:2008

Pages:1-4

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:Ge-Se-Sb glasses prepared from five different pretreatment technologies were adopted to investigate their difference of IR transmission properties. Results show that these Ge-Se-Sb glasses mainly contain four impure absorption bands which can be attributed to [-OH], [Se-H], [H-O-H] and [Ge-O] impurities at the range of 2.5-15 mm. Among these impure bands, [Se-H] and [Ge-O] are the most difficult to eliminate. The [-OH] and [H-O-H] impurities can be removed effectively by preheating raw materials and adding Mg. Distillation of total raw materials containing Mg is found to be the most effective way to eliminate impurities in Ge-Se-Sb glasses.

Number of references:7

Main heading:Impurities

Controlled terms:Distillation - Germanium - Glass - Infrared transmission - Materials - Optical materials

Uncontrolled terms:Absorption bands - Chalcogenide glasses - Impurities eliminating - Impurities in - Pretreatment technologies - Transmission properties

Classification code:951 Materials Science - 812.3 Glass - 804 Chemical Products Generally - 802.3 Chemical Operations - 741.3 Optical Devices and Systems - 741.1 Light/Optics - 549.3 Nonferrous Metals and Alloys excluding Alkali and Alkaline Earth Metals

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 81>

 

Accession number:20082111269221

Title:Enhanced photoluminescence of a tetranuclear neodymium complex: Fluorescent resonance energy transfer analysis

Authors:Qiu, Xiaoming (1); Yu, Kehan (1); Gao, Chao (2); Hou, Chaoqi (2); He, Junfang (2); Zhou, Zhiwei (3); Wei, Wei (1); Peng, Bo (1)

Author affiliation:(1) State Key Laboratory for Advanced Photonic Materials and Devices, Fudan University, Shanghai, 200433, China; (2) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Science (CAS) Xi'an, Shaanxi 710119, China; (3) Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing, 100084, China

Corresponding author:Wei, W.

Source title:Chemical Physics Letters

Abbreviated source title:Chem. Phys. Lett.

Volume:457

Issue:1-3

Issue date:May 20, 2008

Publication year:2008

Pages:194-197

Language:English

ISSN:00092614

CODEN:CHPLBC

Document type:Journal article (JA)

Publisher:Elsevier, P.O. Box 211, Amsterdam, 1000 AE, Netherlands

Abstract:A novel tetranuclear neodymium complex was synthesized and dissolved into N,N-dimethylformamide. The molecular structure of the complex was characterized by single-crystal X-ray diffraction. Fluorescent resonance energy transfer theory was applied to investigate the optical properties of the sample. It was found that the quenching of Nd³⁺ excited state via O-H vibrational excitation could be nearly neglected and the cross-relaxation or excitation migration rate of the tetranuclear complex was only 1/16 times of the traditional mononuclear one. &copy; 2008 Elsevier B.V. All rights reserved.

Number of references:19

Main heading:Neodymium compounds

Controlled terms:Electron resonance - Molecular structure - Photoluminescence - Quenching - X ray diffraction

Uncontrolled terms:Fluorescent resonance energy transfer analysis - Neodymium complexes - Single-crystal X-ray diffraction

Classification code:537.1 Heat Treatment Processes - 741.1 Light/Optics - 801.4 Physical Chemistry - 804.1 Organic Compounds - 931.3 Atomic and Molecular Physics

Treatment:Theoretical (THR); Experimental (EXP)

DOI:10.1016/j.cplett.2008.03.093

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 82>

 

Accession number:20084711720413

Title:Space optical system with large field of view and high resolution

Authors:Yan, A-Qi (1); Zhu, Qing (1); Cao, Jian-Zhong (1); Zhou, Si-Zhong (1); Yang, Zheng (1); Liu, Yu-Bo (1)

Author affiliation:(1) Xi'an Institute Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Graduate University, Chinese Academy of Sciences, Beijing 100039, China

Corresponding author:Yan, A.-Q.(yanaqi@163.com)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:10

Issue date:October 2008

Publication year:2008

Pages:1975-1977

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:A optical system with large field of view and high resolution was designed. The structure of optical system is complicated inversed telephoto system. The capital optical parameters are f&prime;=6.59 mm, 2&omega;=62&deg;, F/number=F/2.2. The imaging resolution was at 85 lp/mm and 230 lp/mm, respectively, when MTF reached 0.8 and 0.46. The value was very close to diffraction limit. The spectrum range of designed optical system is 0.486-0.656 &mu;m. The evaluation of optical system shows that this system can suffice requirement of forming image.

Number of references:9

Main heading:Optical systems

Controlled terms:Optical design - Photolithography

Uncontrolled terms:Diffraction limits - F/number - High resolution - High resolutions - Imaging resolutions - Large field of view - Large field of views - Optical parameters - Space optical systems - Spectrum ranges  - Telephoto systems

Classification code:714.2 Semiconductor Devices and Integrated Circuits - 741.1 Light/Optics - 741.3 Optical Devices and Systems - 745.1 Printing

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 83>

 

Accession number:20082411313481

Title:Modulation of the azimuth of polarization of reconstruction beam on the diffraction efficiency of anisotropic gratings recorded in bacteriorhodopsin films by two parallel linearly polarized beams

Authors:Gao, Peng (0); Yao, Bao-Li (0); Han, Jun-He (0); Chen, Li-Ju (0); Wang, Ying-Li (0); Lei, Ming (0)

Corresponding author:Gao, P.

Corr. author affiliation:State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China

Source title:Wuli Xuebao/Acta Physica Sinica

Abbreviated source title:Wuli Xuebao

Volume:57

Issue:5

Issue date:May 2008

Publication year:2008

Pages:2952-2958

Language:Chinese

ISSN:10003290

CODEN:WLHPAR

Document type:Journal article (JA)

Publisher:Science Press, Beijing, 100085, China

Abstract:When the linearly polarized object and reference beams with the same polarization direction are used for recording gratings in bacteriorhodopsin films, the azimuth of polarization of the reconstruction beam has an influence on the diffraction efficiency. By using Jones matrices to analyze this phenomenon, we find that the azimuth of polarization of the reconstruction beam makes a cosine modulation on the diffraction efficiency. The diffracted beam is linearly polarized only when the polarization of the reconstruction beam is parallel or perpendicular to that of the recording beams; otherwise, the diffracted beam becomes elliptically polarized. The azimuth of polarization of the reconstruction beam produces a positive cosine modulation on the peak diffraction efficiency, but a negative cosine modulation on the steady diffraction efficiency (with phase difference &pi;). By adding auxiliary violet light during grating formation, the saturation of the grating can be restrained; as a result, the negative cosine modulation of the steady diffraction efficiency changes to the positive cosine modulation and also the steady diffraction efficiency is increased apparently.

Number of references:16

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 84>

 

Accession number:20080611087300

Title:Multipeak emission of the fast electron beams along the target surface in ultrashort laser interaction with solid targets

Authors:Yuan, X.H. (1); Li, Y.T. (1); Xu, M.H. (1); Zheng, Z.Y. (1); Chen, M. (1); Liang, W.X. (1); Yu, Q.Z. (1); Zhang, Y. (1); Liu, F. (1); Bernhardt, J. (1); Wang, S.J. (1); Wang, Z.H. (1); Wei, Z.Y. (1); Zhao, W. (2); Zhang, J. (1)

Author affiliation:(1) Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing, 100080, China; (2) State Key Laboratory of Transient Optics and Photonics, Xi'An Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an, 710119, China; (3) School of Materials Science and Technology, China University of Geosciences, Beijing, 100083, China; (4) Department of Physics, Shanghai Jiao Tong University, Shanghai, 200240, China

Corresponding author:Yuan, X.H.

Source title:Physics of Plasmas

Abbreviated source title:Phys. Plasmas

Volume:15

Issue:1

Issue date:2008

Publication year:2008

Article number:013106

Language:English

ISSN:1070664X

CODEN:PHPAEN

Document type:Journal article (JA)

Publisher:American Institute of Physics, 2 Huntington Quadrangle, Suite N101, Melville, NY 11747-4502, United States

Abstract:The spatial and energy distributions of fast electrons emitted from foil targets irradiated by ultrashort intense laser pulses are measured. Four groups of collimated emissions of fast electrons along the front and rear target surfaces are observed for an incidence angle of &lt;60&deg;. This multipeak characterization is found to be independent of laser polarization states. Numerical simulations reveal that the electron beams are formed due to the deformation of the target surface and then guided by the induced quasistatic electromagnetic fields. &copy; 2008 American Institute of Physics.

Number of references:19

Main heading:Electron beams

Controlled terms:Computer simulation - Electromagnetic fields - Electron emission - Ultrashort pulses

Uncontrolled terms:Collimated emissions - Energy distributions - Laser polarization states - Multipeak characterization

Classification code:701 Electricity and Magnetism - 723.5 Computer Applications - 744.1 Lasers, General - 931.3 Atomic and Molecular Physics

Treatment:Theoretical (THR)

DOI:10.1063/1.2827519

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 85>

 

Accession number:20084611700443

Title:Recent progress in development and nonlinear optical device application of optical fibers incorporated with noble metal nanoparticles

Authors:Lin, Aoxiang (1); Han, Won-Taek (1)

Author affiliation:(1) Department of Information and Communications, School of Photon Science and Technology (PhoST), Gwangju Institute of Science and Technology (GIST), 1 Oryong-dong, Buk-gu, Gwangju, 500-712, Korea, Republic of; (2) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics (XIOPM), Chinese Academy of Sciences (CAS), Xi'an 710119, China

Corresponding author:Lin, A.(aoxiang.research@gmail.com)

Source title:Proceedings of SPIE - The International Society for Optical Engineering

Abbreviated source title:Proc SPIE Int Soc Opt Eng

Volume:7095

Monograph title:Nanophotonics and Macrophotonics for Space Environments II

Issue date:2008

Publication year:2008

Article number:70950G

Language:English

ISSN:0277786X

CODEN:PSISDG

ISBN-13:9780819473158

Document type:Conference article (CA)

Conference name:Nanophotonics and Macrophotonics for Space Environments II

Conference date:August 11, 2008 - August 12, 2008

Conference location:San Diego, CA, United states

Conference code:74156

Sponsor:The International Society for Optical Engineering (SPIE)

Publisher:SPIE, P.O. Box 10, Bellingham WA, WA 98227-0010, United States

Abstract:Recent progress in development and nonlinear optical device application of germano-silicate optical fibers incorporated with noble metal nanoparticles are presented. Novel macro-optical properties, such as linear absorption, resonant optical nonlinearity, and optical limiting properties of the fibers fabricated by modified chemical vapor deposition and solution doping techniques are experimentally and theoretically demonstrated based on surface plasmon resonance effect and nonlinear confinement of the noble metal nanoparticles. Applications of the fibers for all-optical signal gating with the cascaded long period gratings and for a new method to determine the third-order susceptibility of optical fibers are discussed.

Number of references:45

Main heading:Optical fiber fabrication

Controlled terms:Applications - Chemical properties - Fiber optics - Fibers - Metals - Nanoparticles - Nanostructured materials - Nanostructures - Nonlinear optics - Optical devices  - Optical fibers - Optical instruments - Optical materials - Optical properties - Photonics - Plasmons - Precious metals - Resonance - Silicates - Surface plasmon resonance

Uncontrolled terms:Linear absorptions - Long period gratings - Modified chemical vapor depositions - Noble metal nanoparticles - Noble metals - Nonlinear optical devices - Optical limiting properties - Optical nonlinearities - Optical nonlinearity - Optical signals  - Recent progresses - Solution doping - Surface plasmons - Third-order susceptibilities

Classification code:812 Ceramics, Refractories and Glass - 801 Chemistry - 761 Nanotechnology - 941.3 Optical Instruments - 751.1 Acoustic Waves - 741.3 Optical Devices and Systems - 741.1.2 Fiber Optics - 744 Lasers - 812.3 Glass - 817 Plastics and Other Polymers: Products and Applications - 933.1 Crystalline Solids - 933 Solid State Physics - 932.3 Plasma Physics - 931.3 Atomic and Molecular Physics - 931.1 Mechanics - 819.4 Fiber Products - 741.1.1 Nonlinear Optics - 547.1 Precious Metals - 531 Metallurgy and Metallography - 482.2 Minerals - 451.2 Air Pollution Control - 423 Non Mechanical Properties and Tests of Building Materials - 414 Masonry Materials - 741.1 Light/Optics - 701 Electricity and Magnetism - 717 Optical Communication - 714.2 Semiconductor Devices and Integrated Circuits - 712.2 Thermionic Materials - 712.1 Semiconducting Materials - 712 Electronic and Thermionic Materials - 711 Electromagnetic Waves - 708 Electric and Magnetic Materials

DOI:10.1117/12.794288

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 86>

 

Accession number:20083411464001

Title:A method for calculating the center position of collimated light

Authors:Wu, Guo-Jun (1); Wu, Ling-Ling (1); Cang, Yu-Ping (1); He, Jun-Hua (1); Dong, Wei-Bin (1); Chen, Liang-Yi (1)

Author affiliation:(1) Xi'An Institute of Optics and Precision Mechanics, Chinese Academy of Science, Xi'an 710119, China

Corresponding author:Wu, G.-J.(wuguojun@opt.ac.cn)

Source title:Optoelectronics Letters

Abbreviated source title:Optoelectron. Lett.

Volume:4

Issue:2

Issue date:March 2008

Publication year:2008

Pages:155-158

Language:English

ISSN:16731905

Document type:Journal article (JA)

Publisher:Springer Verlag, Tiergartenstrasse 17, Heidelberg, D-69121, Germany

Abstract:It is a key problem to accurately calculate beam spots' center of measuring the warp by using a collimated laser. A new method, named double geometrical center method (DGCM), is put forward for the first time. In this method, a plane wave perpendicularly irradiates an aperture stop, and a charge couple device (CCD) is employed to receive the diffraction-beam spots, then the geometrical centers of the first and the second diffraction-beam spots are calculated respectively, and their mean value is regarded as the center of datum beam. In face of such adverse instances as laser intension distributing defectively, part of the image being saturated, this method can still work well. What's more, this method can detect whether an unacceptable error exits in the courses of image receiving, processing and calculating. The experimental results indicate the precision of this method is high. &copy; 2008 Tianjin University of Technology.

Number of references:13

Main heading:Light

Controlled terms:Charge coupled devices - Diffraction - Lasers - Wave energy conversion

Uncontrolled terms:A-plane - Beam spots - Collimated light - Mean value

Classification code:615.6 Wave Energy - 711.1 Electromagnetic Waves in Different Media - 714.2 Semiconductor Devices and Integrated Circuits - 741.1 Light/Optics - 744.1 Lasers, General

DOI:10.1007/s11801-008-7058-s

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 87>

 

Accession number:20141717608397

Title:Sub-33 fs pulses from an all-fiber parabolic amplifier employing hollow-core photonic bandgap fiber

Authors:Wang, Yishan (1); Lim, JinKang (1); Amezcua-Correa, R. (3); Knight, J.C. (3); Washburn, B.R. (1)

Author affiliation:(1) Kansas State University, Dept. of Physics, 116 Cardwell Hall, Manhattan, KS, 66503, United States; (2) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, CAS, Xi'an, China; (3) Centre for Photonics and Photonics Materials, Dept. of Physics, University of Bath, BA2, 7AY, United Kingdom

Source title:Optics InfoBase Conference Papers

Abbreviated source title:Opt.InfoBase Conf. Papers

Monograph title:Frontiers in Optics, FiO 2008

Issue date:2008

Publication year:2008

Language:English

E-ISSN:21622701

ISBN-13:9781557528612

Document type:Conference article (CA)

Conference name:Frontiers in Optics, FiO 2008

Conference date:October 19, 2008  -  October 23, 2008

Conference location:Rochester, NY, United states

Conference code:104481

Publisher:Optical Society of America

Abstract:Sub-33 fs, 1 nJ pulses are generated in a Er-doped fiber amplifier composed of a normal dispersion gain fiber, a low dispersion slope photonic crystal fiber, and a highly nonlinear fiber. &copy; 2008 Optical Society of America.

Number of references:3

Main heading:Fibers

Controlled terms:Amplifiers (electronic) - Nonlinear optics - Photonic bandgap fibers

Uncontrolled terms:All fiber - Er-doped fiber amplifier - Fs pulse - Gain fibers - Highly nonlinear fibers - Hollow-core - Low dispersions - Normal dispersion

Classification code:713.1 Amplifiers - 741.1.1 Nonlinear Optics - 812 Ceramics, Refractories and Glass - 817 Plastics and Other Polymers: Products and Applications - 951 Materials Science

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 88>

 

Accession number:20090711906905

Title:Experimental scheme design of quantum nondemolition single photon detector

Authors:Wang, Guo-Guo (1); Bi, Si-Wen (1); Wang, Li (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Graduate University, Chinese Academy of Sciences, Beijing 100039, China

Corresponding author:Wang, G.-G.(wgg445@163.com)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:SUPPL.

Issue date:November 2008

Publication year:2008

Pages:275-277

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:An experimental scheme of quantum nondemolition single photon detector was designed, using Kerr nonlinear medium. The whole system allows an entire transmission for the signal beam and entire reflection for the probe beam. So for the probe beam, the system is an interferometer. Signal beam and probe beam interact in the Kerr medium, causing a phase shift for the probe beam. The phase shift is direct proportional to the number of the signal photon, which therefore can be obtained by measuring the phase shift. The means of measuring photon number is shown by using balanced homodyne detection system, and then theoretically demonstrated by the quantum theory.

Number of references:9

Main heading:Photons

Controlled terms:Avalanche photodiodes - Gas detectors - Particle beams - Phase shift - Photodetectors - Probes - Programming theory - Quantum computers - Quantum theory

Uncontrolled terms:Balanced homodyne detection - Experimental schemes - Kerr medium - Kerr nonlinear mediums - Photon numbers - Probe beams - Quantum non demolitions - Quantum nondemolition measurement - Signal beams - Single photon detection  - Single-photon detectors - Whole systems

Classification code:931.3 Atomic and Molecular Physics - 931.4 Quantum Theory; Quantum Mechanics - 932.1 High Energy Physics - 941 Acoustical and Optical Measuring Instruments - 914.1 Accidents and Accident Prevention - 942 Electric and Electronic Measuring Instruments - 943 Mechanical and Miscellaneous Measuring Instruments - 943.3 Special Purpose Instruments - 944 Moisture, Pressure and Temperature, and Radiation Measuring Instruments - 942.2 Electric Variables Measurements - 801 Chemistry - 522 Gas Fuels - 703.1 Electric Networks - 714.1 Electron Tubes - 714.2 Semiconductor Devices and Integrated Circuits - 503.2 Coal Mining Operations - 721.1 Computer Theory, Includes Formal Logic, Automata Theory, Switching Theory, Programming Theory - 723.1 Computer Programming - 741.1 Light/Optics - 741.3 Optical Devices and Systems - 722 Computer Systems and Equipment

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 89>

 

Accession number:20084711720433

Title:Precision analysis of point mirror

Authors:Wu, Chao (1); Yuan, Yan (3); Xiong, Wang-E (1); Bai, Qing-Lan (1)

Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Graduate University, Chinese Academy of Sciences, Beijing 100039, China; (3) Beihang University, Beijing 100083, China

Corresponding author:Wu, C.(wuchao@opt.ac.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:10

Issue date:October 2008

Publication year:2008

Pages:2072-2075

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:The position of point mirror impacts on the ground observe target was analysed. In the condition with proper observation error, the turning precision and position precision of the point mirror may provide the design and assemble of the point mirror with a theoretical basis which was shown too.

Number of references:7

Main heading:Mirrors

Controlled terms:Turning

Uncontrolled terms:Observation errors - Point mirror - Position precision - Precision analysis

Classification code:604.2 Machining Operations - 741.3 Optical Devices and Systems

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 90>

 

Accession number:20083611501404

Title:Study of electronic structure and conductivity of Nb-doped SrTiO <inf>3</inf> by density function theory

Authors:Yun, Jiangni (1); Zhang, Zhiyong (1); Zhang, Fuchun (2); Zhao, Wu (2)

Author affiliation:(1) Institute of Photonics and Photon-Technology, Northwest University, Xi'an 710069, Shaanxi Pvovince, China; (2) Xi'an Institute of Optics and Precision Mechanics of CAS, Xi'an 710068, Shaanxi Province, China

Corresponding author:Zhang, Z.(zhangzy@nwu..edu.cn)

Source title:3rd IEEE International Conference on Nano/Micro Engineered and Molecular Systems, NEMS

Abbreviated source title:IEEE Int. Conf. Nano/Micro Eng. Mol. Syst., NEMS

Monograph title:3rd IEEE International Conference on Nano/Micro Engineered and Molecular Systems, NEMS 2008

Issue date:2008

Publication year:2008

Pages:664-668

Article number:4484418

Language:English

ISBN-13:9781424419081

Document type:Conference article (CA)

Conference name:3rd IEEE International Conference on Nano/Micro Engineered and Molecular Systems, NEMS 2008

Conference date:January 6, 2008 - January 9, 2008

Conference location:Sanya, China

Conference code:73059

Publisher:Inst. of Elec. and Elec. Eng. Computer Society, 445 Hoes Lane - P.O.Box 1331, Piscataway, NJ 08855-1331, United States

Abstract:The electronic structure and conductivity of Nb doped SrTiO<inf>3</inf> are investigated by the first-principles calculation of plane wave ultra-soft pseudo-potential based on the density function theory (DFT). The calculated results reveal that due to the electron doping, the Fermi level ships into conduction bands(CBs) for SrTi<inf>1-x</inf>Nb<inf>x</inf>O<inf>3</inf> with x=0.125 and the system shows n type degenerate semiconductor feature. The density of states (DOS) moves towards low energies and the interaction between Nb atom and its nearest neighbor O atom enhances with increased doping concentration. The overlapped area of orbitals between those of Nb and oxygen atoms enlarges, thus the electron communization movement of the SrTi <inf>1-x</inf>Nb<inf>x</inf>O<inf>3</inf> system intensifies, resulting in that the conductivity of Nb-doped SrTiO<inf>3</inf> is well improved. Furthermore, the partial density of states (PDOS) of O2p state at the bottom of the CBs changes significantly after Nb doping, implying that the Nb doping effects on the electronic structure near the band gap of SrTiO<inf>3</inf> cannot be described by the rigid band model. Nb-doped SrTiO<inf>3</inf> with variable electronic conductivity provides the possibility of fabricating devices with multi-layer structures and the calculated results enables more precise monitoring and controlling during the fabrication as possible. &copy; 2008 IEEE.

Number of references:18

Main heading:Strontium alloys

Controlled terms:Electronic properties - Electronic structure - Niobium

Uncontrolled terms:Conductivity - Density function theory - International conferences - Molecular systems - Nb doping - SrTiO<inf>3</inf>

Classification code:549.2 Alkaline Earth Metals - 549.3 Nonferrous Metals and Alloys excluding Alkali and Alkaline Earth Metals - 701.1 Electricity: Basic Concepts and Phenomena - 931.1 Mechanics

DOI:10.1109/NEMS.2008.4484418

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 91>

 

Accession number:20081911244590

Title:Design of 2-D scanning underwater TV system

Authors:Liu, Zhi-Hui (1); He, Jun-Hua (1); Wang, Guo-Fu (1); Chen, Liang-Yi (1)

Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710118, China; (2) Graduate University, Chinese Academy of Sciences, Beijing 100039, China

Corresponding author:Liu, Z.-H.(liuzh@ustc.edu)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:2

Issue date:February 2008

Publication year:2008

Pages:410-412

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:A new 2-D scanning underwater TV system is proposed. The system can scan 360 degrees in horizontal plane and 90 degrees in vertical plane, and there is no dead angle. Using control system of the TV system on board ship or land, the underwater TV system can be long-distance-controlled, and can trace and record motion target in water. Working depth of the system is up 100 m.

Number of references:12

Main heading:Television

Controlled terms:Control systems - Scanning - Two dimensional - Underwater imaging

Uncontrolled terms:Long distanced control - Two dimensional scanning - Underwater TV system

Classification code:716.4 Television Systems and Equipment - 741 Light, Optics and Optical Devices - 746 Imaging Techniques

Treatment:Experimental (EXP)

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 92>

 

Accession number:20084711720402

Title:Thermal analysis of kilowatt Yb³⁺ double-clad fiber lasers

Authors:Li, Jian-Feng (1); Duan, Kai-Liang (1); Cao, Xiang-Jie (1); Wang, Yi-Shan (1); Yao, Xin (2); Guo, Yong-Kang (2); Lin, Xiang-Di (2)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Institute of Nano Optics, Department of Physics, Sichuan University, Chengdu 610064, China; (3) Key Laboratory of Opto-Electronic Sensing and Information Processing, School of Optoelectronic Information, University of Electronic Science and Technology of China, Chengdu 610054, China

Corresponding author:Li, J.-F.(lijianfeng3000@tom.com)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:10

Issue date:October 2008

Publication year:2008

Pages:1921-1927

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:The heat dissipation mechanism in Kilowatt double-clad fiber laser is investigated. Meanwhile, the steady-state heat equations with consideration of both convective and radiative heat transfer are constructed. By using the steady-state rate equations and heat equations, the temperature distributions along the fiber for forward pump of 1000 W and two-end pump of 500 W each side are calculated numerically. The results show that the temperature distribution for two-end pump mode is more even than that for forward pump mode and the maximum temperature in the fiber decreases by 135.9&deg;C. A comparison between the temperature distributions with and without consideration of radiative heat transfer is performed, and the results show that radiative heat transfer plays an important role in heat dissipation of high power fiber lasers. The effects of the core and cladding radius, and transfer coefficient on the temperature distributions along the fiber are investigated, and the results of which indicate that changing core radius only changes the temperature in core region and do not affect the temperature in cladding region and fiber surface, while increasing the cladding radius and transfer coefficient can decrease the temperature of the whole fiber effectively.

Number of references:13

Main heading:Fiber lasers

Controlled terms:Architectural design - DC generators - Fibers - Glass industry - Heat exchangers - Heat radiation - Heat transfer - Heating equipment - Image segmentation - Lasers  - Pumping (laser) - Pumps - Radiative transfer - Temperature - Temperature distribution - Thermoanalysis - Thermostats - Ytterbium

Uncontrolled terms:Convective heat transfer - Heat equations - High power fiber lasers - Radiative heat transfer - Rate equations

Classification code:741.1 Light/Optics - 741.1.2 Fiber Optics - 744.1 Lasers, General - 744.4 Solid State Lasers - 801 Chemistry - 732.1 Control Equipment - 812 Ceramics, Refractories and Glass - 817 Plastics and Other Polymers: Products and Applications - 819.4 Fiber Products - 912 Industrial Engineering and Management - 913 Production Planning and Control; Manufacturing - 812.3 Glass - 723.2 Data Processing and Image Processing - 408.1 Structural Design, General - 547.2 Rare Earth Metals - 616.1 Heat Exchange Equipment and Components - 618.2 Pumps - 641.1 Thermodynamics - 402 Buildings and Towers - 641.2 Heat Transfer - 643.2 Space Heating Equipment and Components - 657.2 Extraterrestrial Physics and Stellar Phenomena - 701 Electricity and Magnetism - 705.2.2 DC Generators - 642.2 Industrial Furnaces and Components

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 93>

 

Accession number:20112514083580

Title:The application of underwater optics and its development

Authors:Lv, Pei (1); He, Junhua (1); Zhou, Renkui (1); Liu, Haiying (1)

Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanics of CAS, Xi'an 710119, China; (2) Graduate School of Chinese Academic of Sciences, Beijing 100039, China

Corresponding author:Lv, P.

Source title:Proceedings of SPIE - The International Society for Optical Engineering

Abbreviated source title:Proc SPIE Int Soc Opt Eng

Volume:6837

Monograph title:Information Optics and Photonics Technologies II

Issue date:2008

Publication year:2008

Article number:68370I

Language:English

ISSN:0277786X

CODEN:PSISDG

ISBN-13:9780819470126

Document type:Conference article (CA)

Conference name:Information Optics and Photonics Technologies II

Conference date:November 12, 2007 - November 13, 2007

Conference location:Beijing, China

Conference code:85196

Sponsor:The Society of Photo-Optical Instrumentation Engineers (SPIE); Chinese Optical Society (COS)

Publisher:SPIE, P.O. Box 10, Bellingham, WA 98227-0010, United States

Abstract:After concluding the application of under-water optics, the development of under-water laser imaging technology is reviewed. The main types of laser imaging technology are introduced, such as laser scanning imaging, distance selected imaging, and three-dimensional technology. The respective imaging principle, characteristics and update status are presented. Furthermore, the newest detecting technology, such as fiber optic hydrophone, under-water holograph and under-water spectrum detecting technology are described in detail. The recent researching status and new application are included.

Number of references:36

Main heading:Underwater imaging

Controlled terms:Laser recording - Optics - Technology - Three dimensional

Uncontrolled terms:Detecting technology - Fiber-optic hydrophone - Imaging principle - Laser imaging technology - Laser scanning - New applications - Polarized lasers - Range-gated

Classification code:472 Ocean Engineering - 741 Light, Optics and Optical Devices - 741.1 Light/Optics - 746 Imaging Techniques - 901 Engineering Profession - 902.1 Engineering Graphics

DOI:10.1117/12.756919

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 94>

 

Accession number:20081111146679

Title:An experimental investigation of energy transport of metal film

Authors:Han, Peng (1); Tang, Da-Wei (1); Cheng, Guang-Hua (2); Zhu, Jie (1); Zhao, Wei (2)

Author affiliation:(1) Institute of Engineering Thermophysics, CAS, Beijing 100080, China; (2) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, CAS, Xi'an 710119, China

Corresponding author:Han, P.

Source title:Kung Cheng Je Wu Li Hsueh Pao/Journal of Engineering Thermophysics

Abbreviated source title:Kung Cheng Je Wu Li Hsueh Pao

Volume:29

Issue:2

Issue date:February 2008

Publication year:2008

Pages:297-300

Language:Chinese

ISSN:0253231X

CODEN:KCJPDF

Document type:Journal article (JA)

Publisher:Science Press, 18,Shuangqing Street,Haidian, Beijing, 100085, China

Abstract:Pump- and-probe technique is used to study the energy transport of nano-size gold film with lower pump intensity. In this experiment the laser pulse duration is 140 Fs and the max electron temperature change is less than 10 K. In this paper, we give the comparison of experimental results with predicted results from the POS model, the PTS model and the DPL model. The comparison shows that the POS model and the DPL model fail to predict these experimental results and the PTS model agrees well with the measure data.

Number of references:4

Main heading:Metallic films

Controlled terms:Electron temperature - Laser pulses - Mathematical models - Nanostructured materials - Pumps - Thermal energy

Uncontrolled terms:Nano size energy transport - Nano size metal film - Pump-and-probe technique

Classification code:531 Metallurgy and Metallography - 618.2 Pumps - 744.1 Lasers, General - 761 Nanotechnology - 933.1 Crystalline Solids - 944.6 Temperature Measurements

Treatment:Experimental (EXP)

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 95>

 

Accession number:20085011776919

Title:Theoretical study of stimulated Brillouin scattering slow light and pulse-broadening reduction using double broadband pump in optical fibers

Authors:Liu, Yu (1); Ren, Liyong (1); Wang, Shihe (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Graduate University, Chinese Academy of Sciences, Beijing 100039, China

Corresponding author:Liu, Y.(liuyu.bill@hotmail.com)

Source title:Guangxue Xuebao/Acta Optica Sinica

Abbreviated source title:Guangxue Xuebao

Volume:28

Issue:11

Issue date:November 2008

Publication year:2008

Pages:2077-2082

Language:Chinese

ISSN:02532239

CODEN:GUXUDC

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:A method of realizing the wideband stimulated Brillouin scattering (SBS) slow light was proposed using double broadband pump in a single-mode optical fiber. The theoretical models of this double broadband pump SBS slow light and its pulse broadening are presented. Dispersion analyses indicate that there exists the optimum spectral separation between the central frequencies of the double pump beams with respect to the inherent spectral width of the pump laser, which makes it possible to effectively reduce the signal pulse broadening related to the group velocity dispersion. Theoretical calculations show that the SBS gain bandwidth and the signal pulse's group delay using the proposed scheme can respectively be enhanced to 1.7 and 2 times of those using just one single broadband laser of the two pump beams.

Number of references:20

Main heading:Pumping (laser)

Controlled terms:Brillouin scattering - Fibers - Light - Light polarization - Optical fibers - Optical materials - Optical pumping - Optoelectronic devices - Pulsed laser applications - Pumps  - Single mode fibers - Stimulated Brillouin scattering - Telecommunication systems - Ultrasonics

Uncontrolled terms:Broadband lasers - Central frequencies - Dispersion analyses - Group delays - Group velocities - Pulse broadening - Pump beams - Pump lasers - Sbs gains - Signal pulses  - Single-mode fiber - Slow light - Slow lights - Spectral separations - Spectral widths - Stimulated Brillouin scatter (SBS) - Theoretical calculations - Theoretical models - Two pumps - Wide bands

Classification code:741.3 Optical Devices and Systems - 744.1 Lasers, General - 744.9 Laser Applications - 753.1 Ultrasonic Waves - 812 Ceramics, Refractories and Glass - 817 Plastics and Other Polymers: Products and Applications - 819.4 Fiber Products - 741.1.2 Fiber Optics - 618.2 Pumps - 714.2 Semiconductor Devices and Integrated Circuits - 716 Telecommunication; Radar, Radio and Television - 717 Optical Communication - 717.2 Optical Communication Equipment - 718 Telephone Systems and Related Technologies; Line Communications - 741.1 Light/Optics

DOI:10.3788/AOS20082811.2077

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 96>

 

Accession number:20080611080537

Title:Effect of target shape on fast electron emission in femtosecond laser-plasma interactions

Authors:Li, Y.T. (1); Xu, M.H. (1); Yuan, X.H. (1); Wang, W.M. (1); Chen, M. (1); Zheng, Z.Y. (1); Sheng, Z.M. (1); Yu, Q.Z. (1); Zhang, Y. (1); Liu, F. (1); Jin, Z. (1); Wang, Z.H. (1); Wei, Z.Y. (1); Zhao, W. (2); Zhang, J. (1)

Author affiliation:(1) Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China; (2) State Key Laboratory of Transient Optics Technology, Chinese Academy of Sciences, Xi'an 710068, China; (3) Department of Physics, Shanghai Jiao Tong University, Shanghai 200240, China

Corresponding author:Li, Y.T.

Source title:Physical Review E - Statistical, Nonlinear, and Soft Matter Physics

Abbreviated source title:Phys. Rev. E Stat. Nonlinear Soft Matter Phys.

Volume:77

Issue:1

Issue date:January 22, 2008

Publication year:2008

Article number:016406

Language:English

ISSN:15393755

E-ISSN:15502376

CODEN:PLEEE8

Document type:Journal article (JA)

Publisher:American Physical Society, One Physics Ellipse, College Park, MD 20740-3844, United States

Abstract:Fast electron emission from the interaction of femtosecond laser pulses with shaped solid targets has been studied. It is found that the angular distributions of the forward fast electrons are highly dependent upon the target shapes. The important roles played by the electrostatic fields built up at the non-laser-irradiated target surfaces and the collisions in the target are identified. Our two-dimensional particle-in-cell simulations with binary collisions included reproduce the main experimental observations. &copy; 2008 The American Physical Society.

Number of references:33

Main heading:Ultrashort pulses

Controlled terms:Computer simulation - Electric fields - Electron emission - Laser beam effects - Plasma interactions

Uncontrolled terms:Binary collisions - Solid targets - Target shapes

Classification code:701.1 Electricity: Basic Concepts and Phenomena - 723.5 Computer Applications - 744.1 Lasers, General - 744.8 Laser Beam Interactions - 931.3 Atomic and Molecular Physics - 932.3 Plasma Physics

Treatment:Theoretical (THR); Experimental (EXP)

DOI:10.1103/PhysRevE.77.016406

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 97>

 

Accession number:20104013269005

Title:Studies on the passive-star-coupler architecture for optical-burst-switched networks

Authors:Xie, Yiyuan (1); Zhang, Jianguo (1); Zhang, Suixin (3); Xie, Xiaoping (1)

Author affiliation:(1) Chinese Academy of Sciences, Xian Institute of Optics and Precision Mechanics, State Key Laboratory of Transient Optics and Photonics, Xian 710119, China; (2) London South Bank University, Department of Electrical, Computer and Communications Engineering, 103 Borough Road, London SE1 0AA, United Kingdom; (3) Xian Communication College, Xian 710106, China

Corresponding author:Xie, Y.(xieyiyuan1000@hotmail.com)

Source title:Optical Engineering

Abbreviated source title:Opt Eng

Volume:47

Issue:8

Issue date:2008

Publication year:2008

Article number:085007

Language:English

ISSN:00913286

E-ISSN:15602303

CODEN:OPEGAR

Document type:Journal article (JA)

Publisher:SPIE, P.O. Box 10, Bellingham, WA 98227-0010, United States

Abstract:Considering the state of the art of wavelength conversion technology, it is likely to dictate a more limited and sparse deployment of wavelength converters in optical burst switching (OBS) networks. Without wavelength conversion capabilities at optical switches, how to avoid burst contention becomes an important issue. This paper proposes an approach to controlling wavelength-division-multiplexing passive optical stars, consisting in queuing arrivals for delayed reception, to be used in OBS networks. This solution brings optical star networks a step closer to all-optical realization. In addition, it allows almost total utilization of the channels, obtainable until now only by time-division multiplexing control. The proposed solution does not suffer performance degradation under heterogeneous traffic conditions and increasing number of nodes. It is thus unique in offering the potential for an all-optical solution and providing at the same time high throughput, low delay, small buffer requirements, and robustness under all traffic conditions. &copy; 2008 Society of Photo-Optical Instrumentation Engineers.

Number of references:9

Main heading:Optical burst switching

Controlled terms:Multiplexing - Optical switches - Packet switching - Switching circuits - Switching networks - Wavelength

Uncontrolled terms:All-optical - Buffer requirements - Burst contention - Heterogeneous traffic - High throughput - Low delay - OBS networks - Optical star networks - Performance degradation - PSC  - State of the art - Switched networks - Traffic conditions - wavelength conversion - Wavelength converter - WDM

Classification code:711 Electromagnetic Waves - 716 Telecommunication; Radar, Radio and Television - 717 Optical Communication - 718 Telephone Systems and Related Technologies; Line Communications - 721 Computer Circuits and Logic Elements - 741.3 Optical Devices and Systems

DOI:10.1117/1.2966139

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 98>

 

Accession number:20090711910237

Title:Spectral analysis of Yb³⁺/Er³⁺ co-doped lead silicate glasses

Authors:Wei, De-Liang (1); Zou, Kuai-Sheng (1); Lu, Min (1); Li, Wei-Nan (1); Guo, Hai-Tao (1); He, Jun-Fang (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Graduate College, Chinese Academy of Sciences, Beijing 100039, China

Corresponding author:Wei, D.-L.

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:SUPPL.

Issue date:November 2008

Publication year:2008

Pages:164-167

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:A kind of Erbium-Ytterbium ions codoped lead silicate laser glass was prepared by conventional high temperature melt-quenching method. Through measuring the absorption spectrum and refractive index of the sample, the emission cross section and fluorence lifetime of Er³⁺:⁴ I<inf>13/2</inf>&rarr⁴I^15/2 based on McCumber theory and Judd-Ofelt theory was stimulated. The results indicate that the glass has a large emission cross section as 8.62&times;10^-21 cm² at 1536 nm, and is as long as 11.32 ms (while the measured value is 9.26 ms). The fluorescence spectrum of the sample was measured. It is proved that this glass has a strong fluorescence peak around 1536 nm, which fluorescence linewidth is about 46.5 nm. There also has a upconversion fluorescence around 580 nm, which result from the Er³⁺:⁴ S<inf>3/2</inf>&rarr⁴I^15/2 transition. Considering the long fluorence lifetime, large emission cross section and weak upconversion fluorescence of the sample, the glass will be a excellent material for high energy pulse fiber laser and amplifications.

Number of references:19

Main heading:Glass

Controlled terms:Absorption spectroscopy - Amplification - Emission spectroscopy - Erbium - Fiber lasers - Fluorescence - Laser theory - Lasers - Positive ions - Programming theory  - Pulsed laser applications - Quenching - Refractive index - Silicates - Spectrum analysis - Spectrum analyzers - Sugar (sucrose) - Ytterbium

Uncontrolled terms:Emission cross sections - Er³⁺/Yb³⁺ co-doped - Fluorescence peaks - Fluorescence spectrum - High temperature melts - High-energy pulse - Judd-Ofelt theory - Laser glass - Lead silicate glass - Mccumber theories  - Spectral analysis - Upconversion fluorescences - Ytterbium ions

Classification code:801 Chemistry - 812 Ceramics, Refractories and Glass - 812.3 Glass - 822.3 Food Products - 921 Mathematics - 922.2 Mathematical Statistics - 931.3 Atomic and Molecular Physics - 941 Acoustical and Optical Measuring Instruments - 941.3 Optical Instruments - 941.4 Optical Variables Measurements - 942 Electric and Electronic Measuring Instruments - 943 Mechanical and Miscellaneous Measuring Instruments - 944 Moisture, Pressure and Temperature, and Radiation Measuring Instruments - 744.9 Laser Applications - 414 Masonry Materials - 482.2 Minerals - 537.1 Heat Treatment Processes - 547.2 Rare Earth Metals - 701.1 Electricity: Basic Concepts and Phenomena - 713.1 Amplifiers - 721.1 Computer Theory, Includes Formal Logic, Automata Theory, Switching Theory, Programming Theory - 723.1 Computer Programming - 741 Light, Optics and Optical Devices - 741.1 Light/Optics - 741.1.2 Fiber Optics - 744.1 Lasers, General - 744.4 Solid State Lasers

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 99>

 

Accession number:20084211639641

Title:Study on the induced current measurement in bridgewire EED

Authors:Mei, Shu-Gang (1); Wang, Tao (1); Yin, Fei (1); He, Jun-Fang (1); Ruan, Chi (1); Wu, Lei-Xue (1); Zhao, Tuan (2)

Author affiliation:(1) State Key Laboratory of Transient Optics and Technology, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) ShaanXi Applied Physics-Chemistry Research Institute, Xi'an 710061, China

Corresponding author:Wang, T.(vangtao@163.com)

Source title:Microwave and Optical Technology Letters

Abbreviated source title:Microwave Opt Technol Lett

Volume:50

Issue:11

Issue date:November 2008

Publication year:2008

Pages:2833-2835

Language:English

ISSN:08952477

CODEN:MOTLEO

Document type:Journal article (JA)

Publisher:John Wiley and Sons Inc., P.O.Box 18667, Newark, NJ 07191-8667, United States

Abstract:In this study, an infrared optical fiber light splitting system is proposed for the measurement of induced current in bridgewire electroexplosive device (EED). The system includes infrared optical fiber that eliminates interference from external electromagnetic radiation, a lens assembly that optimally focuses the infrared energy from the bridgewire to the infrared fiber and no-touch the bridgewire, two infrared detectors that measure the middle and near Infrared radiation from bridgewire, respectively, and a photomodulator and phase-locked amplifiers that depress the noises. The experimental results suggest that the Induced current in bridgewire can be an accurate determination by using this system, and the measurement error is less than 0.0154 mA in high-temperature region. A new method is provided to confirm the safety and reliability of the electric ignition system in electromagnetic environment. &copy; 2008 Wiley Periodicals, Inc.

Number of references:5

Main heading:Fiber amplifiers

Controlled terms:Detectors - Electric current measurement - Electromagnetic waves - Electron optics - Explosive actuated devices - Fibers - Ignition systems - Infrared radiation - Light modulators - Optical fibers  - Optical materials - Radiation detectors

Uncontrolled terms:Bridgewire electroexplosive device - Induced current - Infrared detector - Infrared optical fiber light splitting system

Classification code:812 Ceramics, Refractories and Glass - 817 Plastics and Other Polymers: Products and Applications - 819.4 Fiber Products - 744.4 Solid State Lasers - 914 Safety Engineering - 942.2 Electric Variables Measurements - 944.7 Radiation Measuring Instruments - 931.3 Atomic and Molecular Physics - 741.3 Optical Devices and Systems - 605.1 Small Tools, Powered - 612.1 Internal Combustion Engines, General - 701.1 Electricity: Basic Concepts and Phenomena - 521.1 Fuel Combustion - 711 Electromagnetic Waves - 741.1 Light/Optics - 741.1.2 Fiber Optics - 717.2 Optical Communication Equipment

DOI:10.1002/mop.23845

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 100>

 

Accession number:20084311658129

Title:Fabrication for screen printing cold cathode of carbon nanotube for field emission

Authors:Li, Guang-Shan (1); Tian, Jin-Shou (2); Zheng, Ji-Ming (1); Gao, Rong (1); Ren, Zhao-Yu (1)

Author affiliation:(1) Institute of Photonics and Photon-technology, Northwest University, Xi'an 710069, China; (2) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics And Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China

Corresponding author:Li, G.-S.(guangshanli@163.com)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:9

Issue date:September 2008

Publication year:2008

Pages:1743-1747

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:A new type carbon nanotube (CNT) paste was prepared and the crafts to manufacture the cathode was also summarized. Experimental results show that the paste has an excellent emission performance when the metal powders weight fraction is about 5% while CNT is 10%. CNT can be separated much more uniform when added some surfactant. The cathode is fabricated with screen printing technique and the trench between cathode and gate is formed with a very thin knife edge. After the cathode film is sintered, its resistivity and adherence versus the weight (ratio) of each content in the slurry, as well as the process of manufacturing the cathode film, is analyzed. A reasonable heating process and silk screen aperture is made certainly. The cathode emitting uniform is improved through the enhancement of its electric conductivity and CNT uniformity. The turn-on field of the cathode is about 2.5 V/&mu;he emitting current is 5.6 &mu;en the electric field reaches to 3.3 V/&mu;nd its fluctuation is less than 5%.

Number of references:14

Main heading:Carbon nanotubes

Controlled terms:Carbon - Electric conductivity - Electric fields - Field emission - Field emission cathodes - Helium - Nanocomposites - Nanostructured materials - Nanostructures - Nanotubes  - Powders - Printing - Printing presses - Screen printing - Surface active agents

Uncontrolled terms:Carbon nanotube cathode - Emission uniformity - Resistivity - Semi-conductor material - Surfactant

Classification code:803 Chemical Agents and Basic Industrial Chemicals - 804 Chemical Products Generally - 804.1 Organic Compounds - 933.1 Crystalline Solids - 804.2 Inorganic Compounds - 932 High Energy Physics; Nuclear Physics; Plasma Physics - 933 Solid State Physics - 931.4 Quantum Theory; Quantum Mechanics - 761 Nanotechnology - 745.1.1 Printing Equipment - 536 Powder Metallurgy - 701.1 Electricity: Basic Concepts and Phenomena - 712.1 Semiconducting Materials - 714.1 Electron Tubes - 714.2 Semiconductor Devices and Integrated Circuits - 745.1 Printing

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 101>

 

Accession number:20090711905660

Title:Polarization measurement using polarization interference imaging spectrometer

Authors:Jian, Xiao-Hua (1); Zhang, Chun-Min (1); Zhu, Bao-Hui (1); Zhao, Bao-Chang (2); Du, Juan (1)

Author affiliation:(1) School of Science, Xi'an Jiaotong University, Xi'an 710049, China; (2) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China

Corresponding author:Jian, X.-H.

Source title:Wuli Xuebao/Acta Physica Sinica

Abbreviated source title:Wuli Xuebao

Volume:57

Issue:12

Issue date:December 2008

Publication year:2008

Pages:7565-7570

Language:Chinese

ISSN:10003290

CODEN:WLHPAR

Document type:Journal article (JA)

Publisher:Science Press, 18,Shuangqing Street,Haidian, Beijing, 100085, China

Abstract:It is a common method to use the interferential characteristics of light to detect the object in the polarization interference imaging spectrometer system, but the polarized characteristics are usually ignored.. In this paper, an advanced way, which combines the basic theories of polarization interference imaging spectroscopy and polarization measurement technology, is studied and used to detect the polarization parameters (e.g. degree of polarization, azimuth angle of polarization), and the error is analyzed, which proves that the system is very stable and precise in theory. Now the polarization interference imaging spectrometer can be used not only as cameras and interferometers but also as polaristrobometers, because the polarized characteristics of the light are made good use of to analyse and distinguish the object in a new way.

Number of references:20

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 102>

 

Accession number:20084311654009

Title:Comparisons of two dual-bandpass sampled fiber Bragg gratings

Authors:Liu, Xueming (1); Lin, Aoxiang (1); Sun, Guoyong (1); Han, Won-Taek (1); Chung, Youngjoo (1)

Author affiliation:(1) Department of Information and Communications, Gwangju Institute of Science and Technology, 1 Oryong-dong, Buk-gu, Gwangju, 500-712, Korea, Republic of; (2) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academic of Sciences, Xi'an 710068, China

Corresponding author:Liu, X.(liuxm@opt.ac.cn)

Source title:2008 Joint Conference of the Opto-Electronics and Communications Conference and the Australian Conference On Optical Fibre Technology, OECC/ACOFT 2008

Abbreviated source title:Jt. Conf. Optoelectron. Commun. Conf. Aust. Conf. Opt. Fibre Technol., OECC/ACOFT

Monograph title:2008 Joint Conference of the Opto-Electronics and Communications Conference and the Australian Conference On Optical Fibre Technology, OECC/ACOFT 2008

Issue date:2008

Publication year:2008

Article number:4610333

Language:English

ISBN-10:0858258072

ISBN-13:9780858258075

Document type:Conference article (CA)

Conference name:2008 Joint Conference of the Opto-Electronics and Communications Conference and the Australian Conference On Optical Fibre Technology, OECC/ACOFT 2008

Conference date:July 7, 2008 - July 10, 2008

Conference location:Sydney, NSW, Australia

Conference code:73819

Publisher:Inst. of Elec. and Elec. Eng. Computer Society, 445 Hoes Lane - P.O.Box 1331, Piscataway, NJ 08855-1331, United States

Abstract:Two kinds of dual-bandpass smapled fiber Bragg gratings are compared theoretically and experimentally. Both gratings can provide ultra-narrow dual-bandpass windows with the spacing of more than 400 pm.

Number of references:7

Main heading:Fiber Bragg gratings

Controlled terms:Fiber optic components - Fiber optic sensors - Fibers - Optical fibers - Optical materials

Uncontrolled terms:Bandpass - Sampled fiber bragg gratings

Classification code:732.2 Control Instrumentation - 741.1.2 Fiber Optics - 741.3 Optical Devices and Systems - 812 Ceramics, Refractories and Glass - 817 Plastics and Other Polymers: Products and Applications - 819.4 Fiber Products

DOI:10.1109/OECCACOFT.2008.4610333

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 103>

 

Accession number:20083111422689

Title:Study of ultraviolet single photon imaging system

Authors:Zhang, Xing-Hua (0); Zhao, Bao-Sheng (0); Miao, Zhen-Hua (0); Zhu, Xiang-Ping (0); Liu, Yong-An (0); Zou, Wei (0)

Corresponding author:Zhang, X.-H.(xinghua146@yahoo.com.cn)

Corr. author affiliation:State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China

Source title:Wuli Xuebao/Acta Physica Sinica

Abbreviated source title:Wuli Xuebao

Volume:57

Issue:7

Issue date:July 2008

Publication year:2008

Pages:4238-4243

Language:Chinese

ISSN:10003290

CODEN:WLHPAR

Document type:Journal article (JA)

Publisher:Science Press, Beijing, 100085, China

Abstract:An ultraviolet single photon imaging system was built and its structure, working principle and spatial resolution are reported. Ultraviolet single photon can be obtained by ultraviolet light emitted by a mercury lamp and is attenuated by filters. Single photon irradiates on the microchannel plate directly, producing the multiplied electrons. The multiplied electrons are collected by wedge and strip anode. The charge signal coming from the anode is transformed to voltage signal by a charge-sensitive preamplifier. Then the voltage signal is filtered and shaped by a main amplifier. The output wave signal is collected by high speed data collection card continuously and processed with software. Finally, a ten-minute counting image of ultraviolet single photon is acquired and its revised image is obtained by image processing. The spatial resolution of this system can reach 150 micrometers as tested with the self-designed resolution board. The system can be used widely for very faint luminescence detecting/imaging, biological luminescence and space environment weak light detection.

Number of references:9

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 104>

 

Accession number:20084711720363

Title:Output characteristic of actively-controllable passively Q-switched laser

Authors:Cao, Zongying (1); Zhu, Shaolan (1); Sun, Chuandong (1); Gao, Cunxiao (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Graduate University, Chinese Academy of Sciences, Beijing 100039, China

Corresponding author:Cao, Z.(czying1982@163.com)

Source title:Guangxue Xuebao/Acta Optica Sinica

Abbreviated source title:Guangxue Xuebao

Volume:28

Issue:SUPPL.

Issue date:July 2008

Publication year:2008

Pages:4-8

Language:Chinese

ISSN:02532239

CODEN:GUXUDC

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:The micro-cavity Cr⁴⁺:YAG/Nd:YAG passively Q-switched laser pumped by pulse-pump and pre-pump mechanism is investigated theoretically and experimentally. The experiments show that with large pulse width and high repetition rate of pump pulse, the dependent jitter scope of output laser pulse with pump pulse is increased. By reducing pump pulse width and repetition rate, the 1.06 &mu;m laser with 3.8 ns pulse width and single pulse energy of 65 &mu;J is obtained. The dependent jitter scope of output laser pulse with pump pulse is lower than 0.8 &mu;s. At the same time, the advantage and disadvantage of pre-pump mechanism is analyzed.

Number of references:12

Main heading:Pulsed laser applications

Controlled terms:Chromium - Jitter - Laser beams - Laser fusion - Laser pulses - Lasers - Photolithography - Pumping (laser) - Pumps - Q switched lasers  - Q switching

Uncontrolled terms:High repetition rates - Micro cavities - Output characteristics - Passively Q-switched - Prepumping - Pulse pump - Pulse widths - Pump mechanisms - Pump pulse widths - Pump pulses  - Repetition rates - Single pulse energies - Time delay

Classification code:932.2.1 Fission and Fusion Reactions - 745.1 Printing - 744.9 Laser Applications - 744.8 Laser Beam Interactions - 744.1 Lasers, General - 722.3 Data Communication, Equipment and Techniques - 718 Telephone Systems and Related Technologies; Line Communications - 717 Optical Communication - 716 Telecommunication; Radar, Radio and Television - 714.2 Semiconductor Devices and Integrated Circuits - 621.2 Fusion Reactors - 618.2 Pumps - 543.1 Chromium and Alloys

DOI:10.3788/AOS200828s1.0004

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 105>

 

Accession number:20083511478846

Title:Phase and amplitude reconstruction from a single carrier-frequency interferogram without phase unwrapping

Authors:Gao, Peng (1); Yao, Baoli (1); Han, Junhe (1); Chen, Liju (1); Wang, Yingli (1); Lei, Ming (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Graduate School, Chinese Academy of Sciences, Beijing 100039, China

Corresponding author:Yao, B.(yaobl@opt.ac.cn)

Source title:Applied Optics

Abbreviated source title:Appl. Opt.

Volume:47

Issue:15

Issue date:May 20, 2008

Publication year:2008

Pages:2760-2766

Language:English

ISSN:1559128X

E-ISSN:15394522

CODEN:APOPAI

Document type:Journal article (JA)

Publisher:Optical Society of America, 2010 Massachusetts Ave, NW, Washington, DC, DC 20036-1023, United States

Abstract:A rapid algorithm for phase and amplitude reconstruction from a single spatial-carrier interferogram is proposed by bringing a phase-shifting mechanism into reconstruction of a carrier-frequency interferogram. The algorithm reconstructs phase through directly obtaining and integrating its real-value derivatives, avoiding a phase unwrapping process. The proposed method is rapid and easy to implement and is made insensitive to the profile of the interferogram boundaries by choosing a suitable integrating path. Moreover, the algorithm can also be used to reconstruct the amplitude of the object wave expediently without retrieving the phase profile in advance. The feasibility of this algorithm is demonstrated by both numerical simulation and experiment. &copy; 2008 Optical Society of America.

Number of references:16

Main heading:Geodetic satellites

Controlled terms:Civil aviation - Computer simulation - Holograms - Interferometry - Repair - Restoration - Signal noise measurement

Uncontrolled terms:Amplitude reconstruction - Interferogram - Numerical simulations - Phase profile - Phase unwrapping - Phase unwrapping process - Phase-shifting - Single carriers

Classification code:913.5 Maintenance - 743 Holography - 723.5 Computer Applications - 941.4 Optical Variables Measurements - 716.1 Information Theory and Signal Processing - 405.3 Surveying - 402 Buildings and Towers - 431.1 Air Transportation, General

DOI:10.1364/AO.47.002760

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 106>

 

Accession number:20090311858503

Title:Tunable lateral shift and polarization beam splitting of the transmitted light beam through electro-optic crystals

Authors:Chen, Xi (1); Shen, Ming (1); Zhang, Zhen-Fu (1); Li, Chun-Fang (1)

Author affiliation:(1) Department of Physics, Shanghai University, Shanghai 200444, China; (2) State Key Laboratory of Transient Optics and Photonics, Xi'An Institute of Optics and Precision Mechanics, CAS, Xi'an 710119, China

Corresponding author:Chen, X.(xchen@shu.edu.cn)

Source title:Journal of Applied Physics

Abbreviated source title:J Appl Phys

Volume:104

Issue:12

Issue date:2008

Publication year:2008

Article number:123101

Language:English

ISSN:00218979

CODEN:JAPIAU

Document type:Journal article (JA)

Publisher:American Institute of Physics, 2 Huntington Quadrangle, Suite N101, Melville, NY 11747-4502, United States

Abstract:We have investigated the tunable lateral shift and polarization beam splitting of the transmitted light beam through electro-optic crystals, based on the Pockels effect. The positive and negative lateral shifts could be easily controlled by adjusting the permittivity tensor, which is modulated by the external applied electric field. An alternative way to realize the polarization beam splitter was also proposed by the polarization-dependent lateral shifts. Numerical simulations for Gaussian-shaped incident beam have demonstrated the above theoretical results obtained by stationary phase method. All these phenomena have potential applications in optical devices. &copy; 2008 American Institute of Physics.

Number of references:37

Main heading:Gaussian beams

Controlled terms:Chromatographic analysis - Crystals - Electric fields - Light transmission - Mathematical models - Optical instruments - Polarization

Uncontrolled terms:Applied electric fields - Beam splitting - External- - Gaussian - Incident beams - Lateral shifts - Numerical simulations - Permittivity tensors - Pockels effects - Polarization beam splitters  - Potential applications - Stationary phase methods - Transmitted lights

Classification code:933.1 Crystalline Solids - 921 Mathematics - 802.3 Chemical Operations - 801.4 Physical Chemistry - 801 Chemistry - 941.3 Optical Instruments - 741.3 Optical Devices and Systems - 711.1 Electromagnetic Waves in Different Media - 711 Electromagnetic Waves - 701.1 Electricity: Basic Concepts and Phenomena - 482.2 Minerals - 741.1 Light/Optics

DOI:10.1063/1.3041423

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 107>

 

Accession number:20082111265997

Title:The Imbert-Fedorov shift of paraxial light beams

Authors:Liu, Bao-Ying (1); Li, Chun-Fang (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an, 710119, China; (2) Department of Physics, Shangluo University, Shaanxi 726000, China; (3) Department of Physics, Shanghai University, Shanghai, 200444, China

Corresponding author:Li, C.-F.(cfli@shu.edu.cn)

Source title:Optics Communications

Abbreviated source title:Opt Commun

Volume:281

Issue:13

Issue date:July 1, 2008

Publication year:2008

Pages:3427-3433

Language:English

ISSN:00304018

CODEN:OPCOB8

Document type:Journal article (JA)

Publisher:Elsevier, P.O. Box 211, Amsterdam, 1000 AE, Netherlands

Abstract:We present a solution to the problem of reflection and transmission of a polarized paraxial light beam at an interface between two homogeneous media by using a two-form amplitude and an extension matrix to represent the vectorial angular spectrum of a three-dimensional (3D) light beam. We derive general formulas for the Imbert-Fedorov (IF) shift of the reflected and transmitted beams of a polarized paraxial light beam. The IF shift of two different types of polarized beams is calculated, and the influence of the polarization state and the polarization feature of the vectorial angular spectrum on the IF shift is discussed. &copy; 2008 Elsevier B.V. All rights reserved.

Number of references:23

Main heading:Light

Controlled terms:Interfaces (materials) - Light polarization - Three dimensional

Uncontrolled terms:Angular spectrum - Imbert-Fedorov shift - Paraxial beams

Classification code:723.5 Computer Applications - 741.1 Light/Optics - 951 Materials Science

Treatment:Theoretical (THR); Experimental (EXP)

DOI:10.1016/j.optcom.2008.03.007

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 108>

 

Accession number:20084111636582

Title:Algorithm of far-field image in aligning cavity mirror based on edge curve characteristics

Authors:Dong, Wei-Bin (1); Li, Dong-Jian (3); Da, Zheng-Shang (1); Chen, Liang-Yi (1); Dong, Xiao-Na (1); He, Jun-Hua (1); Sun, Ce (1); Tian, Xin-Feng (1)

Author affiliation:(1) Office of Advanced Optical Instrument, Xi'an Institute of Optics and Precision Mechanics, Chinese Acad. of Sci., Xi'an 710119, China; (2) Graduate University, Chinese Acad. of Sci., Beijing 100039, China; (3) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Acad. of Sci., Xi'an 710119, China

Corresponding author:Dong, W.-B.(dong_wb2007@yahoo.com.cn)

Source title:Qiangjiguang Yu Lizishu/High Power Laser and Particle Beams

Abbreviated source title:Qiangjiguang Yu Lizishu

Volume:20

Issue:8

Issue date:August 2008

Publication year:2008

Pages:1288-1292

Language:Chinese

ISSN:10014322

CODEN:QYLIEL

Document type:Journal article (JA)

Publisher:Editorial Office of High Power Laser and Particle Beams, P.O. Box 919-805, Mianyang, 621900, China

Abstract:Laser beam automatic alignment systems are used to precisely adjust beam lines automatically in the high power laser facility. Based on a laser prototype facility requirement for aligning the cavity mirror, the edge characters of light are quantitatively analyzed by image processing the laser image in aligning cavity mirror of high power laser system. Combined with the light transfer qualitatively analysis of measurement optical system for aligning cavity mirror, the consistency of different curve edges and the circular degree of the laser images are used for quantitatively estimating the azimuth of cavity mirror. When nearly completing the cavity mirror, the circular degree of the laser image is 12.222, and the consistency of different curve edge for one page laser image is 99.62%.

Number of references:10

Main heading:Mirrors

Controlled terms:DC generators - Edge detection - Electromagnetic waves - High power lasers - Image processing - Lasers - Optical data processing - Optical systems

Uncontrolled terms:Beam automatic alignment - Cavity mirror alignment - Consistency of different curve edge - Edge tracking - Inertial confinement fusion

Classification code:744.1 Lasers, General - 741.3 Optical Devices and Systems - 741.1 Light/Optics - 741 Light, Optics and Optical Devices - 751.1 Acoustic Waves - 723.5 Computer Applications - 716 Telecommunication; Radar, Radio and Television - 711 Electromagnetic Waves - 705.2.2 DC Generators - 723.2 Data Processing and Image Processing

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 109>

 

Accession number:20090711906896

Title:Research development of chalcogenide glass materials emitting 3-5 &mu;m fluorescence

Authors:Dai, Shi-Xun (1); Peng, Bo (1); Wang, Xun-Si (2); Shen, Xiang (2); Nie, Qiu-Hua (2); Xu, Tie-Feng (2)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Science, Xi'an 710119, China; (2) College of Information Science and Engineering, Ningbo University, Ningbo 311521, China

Corresponding author:Dai, S.-X.(daishixun@nbu.edu.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:SUPPL.

Issue date:November 2008

Publication year:2008

Pages:239-243

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:Rare-earth ions doped chalcogenide glasses and fibers are capable of emitting 3-5 &mu;m fluorescence as mid-infrared sources. In this paper, kinds of rare earth ions emitting 3-5 &mu;m in mid-infrared band and the corresponding transitions were firstly reviewed. The research progress of rare-earth ions doped chalcogenide glass materials with 3-5 &mu;m fluorescence in recent years was introduced. The main problems at the field of Rare-earth ions doped chalcogenide glass materials with 3-5 &mu;m fluorescence were summarized. In the end, the research trend of 3-5 &mu;m fluorescence emission of rare earth ions doped chalcogenide glasses was proposed.

Number of references:26

Main heading:Glass

Controlled terms:Fluorescence - Infrared devices - Ions - Light sources - Materials - Metal ions - Optical materials - Rare earth elements

Uncontrolled terms:Chalcogenide glasses - Fluorescence emissions - Mid-infrared fluorescence - Rare earth ions - Research development - Research progress - Research trends

Classification code:951 Materials Science - 931.3 Atomic and Molecular Physics - 812.3 Glass - 801 Chemistry - 744 Lasers - 741.3 Optical Devices and Systems - 741.1 Light/Optics - 714.2 Semiconductor Devices and Integrated Circuits - 707.2 Electric Lamps - 701.1 Electricity: Basic Concepts and Phenomena - 547.2 Rare Earth Metals - 533 Ore Treatment and Metal Refining - 531.1 Metallurgy

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 110>

 

Accession number:20081011136728

Title:Ultra-broadband optical parametric amplification based on pre-chirp controlling

Authors:Song, Xiao-Zhong (0); Liu, Hong-Jun (0); Wang, Yi-Shan (0); Zhao, Wei (0)

Corresponding author:Song, X.-Z.(songxz@21cn.com)

Corr. author affiliation:State Key Laboratory of Transient Optics and Photonics Technology, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China

Source title:Wuli Xuebao/Acta Physica Sinica

Abbreviated source title:Wuli Xuebao

Volume:57

Issue:1

Issue date:January 2008

Publication year:2008

Pages:271-277

Language:Chinese

ISSN:10003290

CODEN:WLHPAR

Document type:Journal article (JA)

Publisher:Science Press, Beijing, 100085, China

Abstract:For optical parametric amplification with broadband pump coming from the second harmonic of an amplified Ti:sapphire laser system, a novel ultra-broad bandwidth phase-matching approach is investigated. The results show that an approximately 400 nm phase-matching bandwidth can be obtained by using a 10 nm pump bandwidth. Moreover, the phase-matching bandwidth can reach 600 nm when the pump bandwidth attains 20 nm. In order to obtain temporal overlap of phase-matched spectral components, a linear chirp in the pump requires a quadratic chirp in signal. The photonic crystal fiber with a zero-dispersion wavelength of 800 nm generates a supercontinuum with a quadratic chirp. The broadband pump pulse is stretched to a linear chirped pulse by a prism pairs. Calculations concerning the appropriate length of fiber and prism sequence to be inserted in optical path for the pre-chirp controlling were performed, the results of which provide a theoretical basis for implementing the ultra-broadband optical parametric amplification.

Number of references:17

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 111>

 

Accession number:20090711906893

Title:Thermal effects in high power photonic crystal fiber lasers

Authors:Zou, Kuai-Sheng (1); Lu, Min (1); Xiang, Li-Bin (1); Li, Wei-Nan (1); Guo, Hai-Tao (1); Cao, Xiang-Jie (2)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Graduate College, Chinese Academy of Sciences, Beijing 100049, China

Corresponding author:Zou, K.-S.

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:SUPPL.

Issue date:November 2008

Publication year:2008

Pages:228-231

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:The influence of air cladding on the temperature distribution of DC-PCF laser under the different thermal loads and the thermal effects in PCF laser under high power are analyzed numerically on a basis of finite element method. The numerical results indicate that the air cladding has the role of thermal insulation. Therefore, the temperature difference of the core and coat of DC-PCF increases but the temperatures of the coat and out cladding of the fiber remain unchanged. The temperature difference of the core and the surface of DC-PCF do not change with heat transfer coefficient varying, but increases with thermal load increasing. Thermal stress in the air cladding will limit the enhancing of laser output power, but not reduce the laser beam quality at the same time the refractive index with temperature has no obvious change.

Number of references:12

Main heading:Finite element method

Controlled terms:Air - Crystal atomic structure - Crystal whiskers - DC generators - Fiber lasers - Fibers - Heat transfer - Laser beams - Laser cladding - Laser pulses  - Lasers - Nonlinear optics - Photonic crystal fibers - Photonic crystals - Refractive index - Thermal effects - Thermal insulation - Thermal load - Thermoanalysis - Thermography (temperature measurement)

Uncontrolled terms:Air claddings - High-power - Laser beam qualities - Laser output power - Numerical results - Photonic crystal fiber - Photonic crystal fiber lasers - Temperature differences - Transfer coefficients

Classification code:812 Ceramics, Refractories and Glass - 804 Chemical Products Generally - 801.4 Physical Chemistry - 951 Materials Science - 801 Chemistry - 744.8 Laser Beam Interactions - 744.4 Solid State Lasers - 744.9 Laser Applications - 813.1 Coating Techniques - 817 Plastics and Other Polymers: Products and Applications - 944.6 Temperature Measurements - 933.1.1 Crystal Lattice - 933.1 Crystalline Solids - 931.3 Atomic and Molecular Physics - 921.6 Numerical Methods - 819.4 Fiber Products - 744.1 Lasers, General - 531.2 Metallography - 531 Metallurgy and Metallography - 462.1 Biomedical Equipment, General - 461.1 Biomedical Engineering - 421 Strength of Building Materials; Mechanical Properties - 413.2 Heat Insulating Materials - 741.3 Optical Devices and Systems - 641 Heat and Mass Transfer; Thermodynamics - 741.1.2 Fiber Optics - 741.1.1 Nonlinear Optics - 741.1 Light/Optics - 705.2.2 DC Generators - 643.3 Air Conditioning - 643.1 Space Heating - 641.2 Heat Transfer

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 112>

 

Accession number:20082111262142

Title:XRD analysis ZnO grown by laser molecular beam epitaxy

Authors:Yang, Xiao-Dong (1); Zhang, Jing-Wen (1); Bi, Zhen (2); He, Yong-Ning (2); Hou, Xun (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China; (2) Key Laboratory of Photonics Technology for Information, Xi'an Jiaotong University, Xi'an 710049, China; (3) Graduate School, Chinese Academy of Sciences, Beijing 100039, China; (4) School of Physics and Photoelectronics, Henan University, Kaifeng 475000, China

Corresponding author:Yang, X.-D.(xd_yang@163.com)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:3

Issue date:March 2008

Publication year:2008

Pages:485-489

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:Highly c-axis oriented ZnO epilayers were grown on &alpha;-Al<inf>2</inf>O<inf>3</inf> (0001) substrates by laser molecular beam epitaxy (L-MBE) at a low substrate temperature. High resolution X-Ray diffractometer (Philips X`Pert HR-MRD) was used to investigate the structural proprieties of ZnO films. Glancing incidence X-Ray analysis (GIXA) technique was also conducted to analyze quantitatively the layer thickness, the surface roughness and the interface roughness of ZnO top layer and ZnO/Al<inf>2</inf>O<inf>3</inf> interface. By the simulation of XRR curves, the calculated surface and interface rms roughness are 0.34 nm and 1.12 nm, respectively. XRD in-plane &Phi; scan results of ZnO and &alpha;-Al<inf>2</inf>O<inf>3</inf> (0001) substrate show a 30&deg; rotation of the ZnO unit cell with respect to the sapphire substrate, indicating the formation of the single aligned in-plane oriented domains. The results of XRD &omega;-2&theta; scan and &omega; rocking curve indicate that the strain of ZnO epilayer has been effectively relaxed, by the formation of aligned in-plane orientation and lattice relaxation, while the screw dislocations were also formed at the same time.

Number of references:15

Main heading:Zinc oxide

Controlled terms:Epilayers - Epitaxial growth - Laser applications - Molecular beam epitaxy - Surface roughness - X ray analysis - X ray diffraction analysis

Uncontrolled terms:Glancing incidence X ray analysis (GIXA) - Laser molecular beam epitaxy (L-MBE) - X ray reflectivity

Classification code:931.3 Atomic and Molecular Physics - 931.2 Physical Properties of Gases, Liquids and Solids - 804.2 Inorganic Compounds - 951 Materials Science - 802.3 Chemical Operations - 744.9 Laser Applications - 712.1 Semiconducting Materials - 801 Chemistry

Treatment:Experimental (EXP)

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 113>

 

Accession number:20090111831783

Title:Broadband terahertz time-domain spectroscopy of drugs-of-abuse mixtures and 'street' samples

Authors:Burnett, Andrew D. (1); Fan, Wenhui (1); Upadhya, Prashanth C. (1); Cunningham, John E. (1); Hargreaves, Michael (2); Munshi, Tasnim (2); Edwards, Howell G. M. (2); Linfield, Edmund H. (1); Davies, A. Giles (1)

Author affiliation:(1) School of Electronic and Electrical Engineering, University of Leeds, Leeds LS2 9JT, United Kingdom; (2) Division of Chemical and Forensic Science, University of Bradford, Bradford BD7 1DP, United Kingdom; (3) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an, Shaanxi 710119, China; (4) Centre for Integrated Nanotechnologies, Los Alamos National Laboratory, Albuquerque, NM 87185-1315, United States

Corresponding author:Burnett, A. D.(A.D.Burnett@leeds.ac.uk)

Source title:33rd International Conference on Infrared and Millimeter Waves and the 16th International Conference on Terahertz Electronics, 2008, IRMMW-THz 2008

Abbreviated source title:Int. Conf. Infrared Millimeter Waves Int. Conf. Terahertz Electron., IRMMW-THz

Monograph title:33rd International Conference on Infrared and Millimeter Waves and the 16th International Conference on Terahertz Electronics, 2008, IRMMW-THz 2008

Issue date:2008

Publication year:2008

Article number:4665556

Language:English

ISBN-13:9781424421206

Document type:Conference article (CA)

Conference name:33rd International Conference on Infrared and Millimeter Waves and the 16th International Conference on Terahertz Electronics, 2008, IRMMW-THz 2008

Conference date:September 15, 2008 - September 19, 2008

Conference location:Pasadena, CA, United states

Conference code:74633

Sponsor:JPL Office of the Chief Scientist; JPL Instruments and Science Data Systems

Publisher:Inst. of Elec. and Elec. Eng. Computer Society, 445 Hoes Lane - P.O.Box 1331, Piscataway, NJ 08855-1331, United States

Abstract:Terahertz time-domain spectroscopy is used to analyze a number of real-world drugs-of-abuse samples, common drug adulterants, and drugs systematically adulterated in the laboratory. Principle component analysis is used to cluster spectra of similar compounds, which could lead to automatic spectral recognition of illicit materials. &copy;IEEE.

Number of references:6

Main heading:Plasmons

Controlled terms:Lead compounds - Millimeter wave devices - Millimeter waves - Reflectometers - Spectrophotometers - Time domain analysis

Uncontrolled terms:Broadband terahertz - Do-mains - Principle component analysis - Spectral recognitions - Terahertz

Classification code:941.3 Optical Instruments - 801 Chemistry - 804.1 Organic Compounds - 804.2 Inorganic Compounds - 921 Mathematics - 931.3 Atomic and Molecular Physics - 932.3 Plasma Physics - 741.3 Optical Devices and Systems - 715 Electronic Equipment, General Purpose and Industrial - 714 Electronic Components and Tubes - 712.1 Semiconducting Materials - 711 Electromagnetic Waves - 703.1.1 Electric Network Analysis - 731.1 Control Systems

DOI:10.1109/ICIMW.2008.4665556

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 114>

 

Accession number:20082311303260

Title:Temporal behavior and propagation property of open-circuit gray photovoltaic spatial solitons

Authors:Yang, Yang (1); Lu, Ke-Qing (1); Zhao, Wei (1); Yang, Yan-Long (1); Zhang, Mei-Zhi (1); Zhang, Lei (1); Zhang, Yu-Hong (1); Zhang, Yan-Peng (2)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Department of Electronic Science and Technology, Xi'an Jiaotong University, Xi'an 710049, China

Corresponding author:Yang, Y.(yangyang@opt.ac.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:4

Issue date:April 2008

Publication year:2008

Pages:657-661

Language:English

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:An analysis on the time-dependent formation of one-dimensional gray photovoltaic solitons under open-circuit conditions is presented. Quasi-steady state and steady state gray solitons are obtained from the time-dependent propagation equation. Results show that the solitons have intensity-independent widths in quasi-steady-state regime and their formation time is inversely proportional to the ratio of soliton peak intensity to dark irradiance. And, the study of propagation properties of open-circuit gray solitons indicates that they are relatively stable under perturbations at least less than 10%.

Number of references:12

Main heading:Light propagation

Controlled terms:Nonlinear optics - One dimensional - Solitons

Uncontrolled terms:Gray photovoltaic solitons - Optical propagation - Temporal behavior

Classification code:741.1 Light/Optics - 921 Mathematics - 931.3 Atomic and Molecular Physics

Treatment:Theoretical (THR)

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 115>

 

Accession number:20083011401745

Title:Measurement of degree of polarization of spatially modulated imaging fourier transform spectrometer

Authors:Cui, Yan (1); Ji, Zhong-Ying (1); Gao, Jing (1); Bai, Qing-Lan (1); Xiang-Li, Bin (1)

Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Graduate University, Chinese Academy of Sciences, Beijing 100039, China

Corresponding author:Cui, Y.(cuiyan@opt.ac.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:6

Issue date:June 2008

Publication year:2008

Pages:1205-1207

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:The effect of the polarization on the uncertainly of radiate calibration is analyzed in Spatial Modulated Imaging Fourier Transform Spectrometer (SMIFTS). A measuring system for polarization degree is proposed. The system consists of a solar simulator (wavelength from 250 mm to 2500 mm), a collimator (f = 120 mm) and a Polarizer (extinction coefficient = 1/500). The degree of polarization (DOP) of the SMIFTS is measured experimentally by the extrema search. The measurement result shows that the DOP of SMIFTS is 4.1%, and this measurement method can be used for measurement the uncertainty of the radiation during the process of the radiometric calibration for SMIFTS.

Number of references:12

Main heading:Fourier transforms

Controlled terms:Bolometers - Calibration - Optical instruments - Polarization - Solar system - Spacecraft instruments - Spectrometers - Spectrometry - Uncertainty analysis

Uncontrolled terms:Degree of polarization (DOP) - Extinction coefficient (k) - Measurement methods - Measuring systems - Modulated imaging - Polarization degree - Radiometric calibrations - Solar simulators

Classification code:941.4 Optical Variables Measurements - 941.3 Optical Instruments - 922.1 Probability Theory - 921.3 Mathematical Transformations - 944.7 Radiation Measuring Instruments - 902.2 Codes and Standards - 701.1 Electricity: Basic Concepts and Phenomena - 657.2 Extraterrestrial Physics and Stellar Phenomena - 655.1 Spacecraft, General - 741.3 Optical Devices and Systems

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 116>

 

Accession number:20083611520813

Title:Longitudinal shift of a light beam reflected from the single metal layer

Authors:Zhang, Jiyue (1); Ge, Guoku (1); Li, Chunfang (1); Duan, Tao (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Acad. of Sci., Xi'an 710119, China; (2) Graduate University, Chinese Acad. of Sci., Beijing 100049, China; (3) Department of Physics, Shanghai University, Shanghai 200444, China; (4) School of Communication and Information Engineering, Xi'an University of Science and Technology, Xi'an 710054, China

Corresponding author:Zhang, J.(jiyue_zhang@126.com)

Source title:Zhongguo Jiguang/Chinese Journal of Lasers

Abbreviated source title:Zhongguo Jiguang

Volume:35

Issue:5

Issue date:May 2008

Publication year:2008

Pages:712-715

Language:Chinese

ISSN:02587025

CODEN:ZHJIDO

Document type:Journal article (JA)

Publisher:Science Press, 18,Shuangqing Street,Haidian, Beijing, 100085, China

Abstract:The finite-sized light beam reflected from a weakly absorbing dielectric slab would experience a longitudinal displacement. The longitudinal displacement of a linear-polarized light beam reflected from the single metal layer is theoretically investigated. It is shown that, in the region of absorbed frequency, the longitudinal displacement of TE polarized light beam is not only positive and very small but also grows slowly. The displacement is saturated to maximum when the incidence angle is very large. The longitudinal displacement of TM polarized light beam is negative and has a peak near 80&deg;. The peak value is about one wavelength. It is also shown that the longitudinal displacement of TE polarized light beam keeps a similar action and its maximum is smaller in the region of reflected frequency. The negative displacement of TM polarized light beam is several wavelengths near 90&deg;.

Number of references:15

Main heading:Electromagnetic waves

Controlled terms:Storage allocation (computer) - Wastewater

Uncontrolled terms:Longitudinal displacement - Longitudinal displacements - Metal - Physical optics - Stationary phase approach

Classification code:452.3 Industrial Wastes - 711 Electromagnetic Waves - 722.1 Data Storage, Equipment and Techniques

DOI:10.3788/CJL20083505.0712

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 117>

 

Accession number:20082711345361

Title:Giant bistable lateral shift owing to surface-plasmon excitation in Kretschmann configuration with a Kerr nonlinear dielectric

Authors:Zhou, Haichun (1); Chen, Xi (1); Hou, Peng (1); Li, Chun-Fang (1)

Author affiliation:(1) Department of Physics, Shanghai University, 99 Shangda Road, Shanghai 200444, China; (2) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, CAS, Xi'an 710119, China

Corresponding author:Li, C.-F.(cfli@shu.edu.cn)

Source title:Optics Letters

Abbreviated source title:Opt. Lett.

Volume:33

Issue:11

Issue date:June 1, 2008

Publication year:2008

Pages:1249-1252

Language:English

ISSN:01469592

CODEN:OPLEDP

Document type:Journal article (JA)

Publisher:Optical Society of America, 2010 Massachusetts Ave, NW, Washington, DC, DC 20036-1023, United States

Abstract:We investigate the reflection of a TM-polarized light beam from a Kretschmann configuration with a Kerr nonlinear dielectric. It is found that there exists a hysteretic response between the lateral shift of the reflected beam and the intensity of the incident beam. In contrast to the lower switch threshold, the higher switch threshold of optical bistability is more sensitive to the variations of the angle of incidence and the thickness of metal film. It is also found that the peak value of the lateral shift is strongly dependent on the thickness of metal film. &copy; 2008 Optical Society of America.

Number of references:18

Main heading:Film thickness

Controlled terms:Dielectric devices - Electric excitation - Metallic films - Metallizing - Nonlinear programming - Optical bistability

Uncontrolled terms:Angle of Incidence - Bi stable - Bi-stability - Hysteretic responses - incident beams - Kretschmann configuration - Lateral shifting - metal films - Nonlinear dielectrics - Optical (PET) (OPET)  - Optical society of America (OSA) - Peak values - Polarized light beams - Reflected beam - Surface plasmon (SP) - Variations of

Classification code:741.1.1 Nonlinear Optics - 723.1 Computer Programming - 704 Electric Components and Equipment - 701.1 Electricity: Basic Concepts and Phenomena - 539.3 Metal Plating - 531 Metallurgy and Metallography - 423 Non Mechanical Properties and Tests of Building Materials

DOI:10.1364/OL.33.001249

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 118>

 

Accession number:20082411309348

Title:Compact tunable high power picosecond source based on Yb-doped fiber amplification of gain switch laser diode

Authors:Liu, Hongjun (1); Gao, Cunxiao (1); Tao, Jintao (1); Zhao, Wei (1); Wang, Yishan (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics Technology, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an, 710119, China

Corresponding author:Liu, H.(liuhongjun@opt.ac.cn)

Source title:Optics Express

Abbreviated source title:Opt. Express

Volume:16

Issue:11

Issue date:May 26, 2008

Publication year:2008

Pages:7888-7893

Language:English

E-ISSN:10944087

Document type:Journal article (JA)

Publisher:Optical Society of America, 2010 Massachusetts Ave, NW, Washington, DC, DC 20036-1023, United States

Abstract:A compact tunable high power picosecond source based on Yb-doped fiber amplification of gain switch laser diode is demonstrated. A multi-stage single mode Yb-doped fiber preamplifier was combined with a single mode double-clad Yb-doped fiber main amplifier to construct the amplification system, which is seeded by a gain switch laser diode. By optimizing preamplifier's parameters to compensate the seed spectrum gain, a "flat top" broadband spectrum is obtained to realize wavelength tunable output with a self-made tunable filter. The tunable pulses were further amplified to 3.5 W average power 90 ps pulses at 1 MHz repetition rate, and the center wavelength was tunable in the ranges from 1053 nm to 1073 nm with excellent beam quality. &copy;2008 Optical Society of America.

Number of references:15

Main heading:Amplification

Controlled terms:Amplifiers (electronic) - Architectural design - Computer networks - DC generators - Diodes - Fiber Bragg gratings - Fiber optics - Fibers - Lasers - Microfluidics  - Powders - Power quality - Pulsed laser deposition

Uncontrolled terms:Average power - Broad-band spectrum - Center wavelength (CW) - Double-clad - Flat top - gain switching - High powers - Laser diode (LD) - Multi-stage - Optical society of America (OSA)  - pico seconds - ps pulses - repetition rates - Single modes - Tunable filtering - Wavelength tunable - Yb doped fibers

Classification code:812 Ceramics, Refractories and Glass - 744.9 Laser Applications - 744.1 Lasers, General - 741.3 Optical Devices and Systems - 741.1.2 Fiber Optics - 716 Telecommunication; Radar, Radio and Television - 714.1 Electron Tubes - 713.1 Amplifiers - 706.1.2 Electric Power Distribution - 705.2.2 DC Generators - 632.5.1 Microfluidics - 536 Powder Metallurgy - 402 Buildings and Towers

DOI:10.1364/OE.16.007888

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 119>

 

Accession number:20082111273361

Title:Realization of field widening of Michelson interferometer for wind measurement

Authors:Wang, Li (1); Zhao, Bao-Chang (1); Zhang, Chun-Min (3)

Author affiliation:(1) Spatial Optics Laboratory, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China; (2) Graduate School, Chinese Academy of Sciences, Beijing 100039, China; (3) Science School, Xi'an Jiaotong University, Xi'an 710049, China

Corresponding author:Wang, L.(wlfuyun@163.com)

Source title:Guangxue Jingmi Gongcheng/Optics and Precision Engineering

Abbreviated source title:Guangxue Jingmi Gongcheng

Volume:16

Issue:3

Issue date:March 2008

Publication year:2008

Pages:426-432

Language:Chinese

ISSN:1004924X

CODEN:GJGOF4

Document type:Journal article (JA)

Publisher:Chinese Academy of Sciences, 140 Renmin Street, Changchun, 130022, China

Abstract:The field widening of a Michelson interferometer for wind measurement is determined by the material and thickness of arms. On the basis of the principle of field widening, two kinds of qualified glass LAF4 and ZF2 were selected in Chinese glass database and the thicknesses of the arms were calculated. The results validate the effectiveness of the two kinds of glass in field widening. Finally, the related data were applied to a computer to simulate the interferometer configuration and to obtain the interferogram of field widening through ray tracing. The experimental results give that the wind velocity reversion of interferometer is 41.48 m/s, which is coincident with the real value of 47.62 m/s.

Number of references:7

Main heading:Wind

Controlled terms:Computer simulation - Database systems - Glass - Measurements - Michelson interferometers - Ray tracing

Uncontrolled terms:Chinese glass database - Field widening - Interferometer configuration - Wind measurement - Wind velocity reversion

Classification code:443.1 Atmospheric Properties - 723.3 Database Systems - 723.5 Computer Applications - 741.1 Light/Optics - 812.3 Glass - 941.3 Optical Instruments

Treatment:Applications (APP)

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 120>

 

Accession number:20080611089022

Title:Theoretical analysis of the heat dissipation mechanism in Yb ³⁺-doped double-clad fiber lasers

Authors:Li, Jianfeng (1); Duan, Kailiang (2); Wang, Yishan (2); Cao, Xiangjie (2); Zhao, Wei (2); Guo, Yongkang (1); Lin, Xiangdi (1)

Author affiliation:(1) Department of Physics, Institute of Nano Optics, Sichuan University, Chengdu, China; (2) State Key Laboratory of Transient Optics and Photonics, Xi'An Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an, China

Corresponding author:Li, J.(lijianfeng3000@sina.com.cn)

Source title:Journal of Modern Optics

Abbreviated source title:J. Mod. Opt.

Volume:55

Issue:3

Issue date:February 2008

Publication year:2008

Pages:459-471

Language:English

ISSN:09500340

E-ISSN:13623044

CODEN:JMOPEW

Document type:Journal article (JA)

Publisher:Taylor and Francis Ltd., 4 Park Square, Milton Park, Abingdon, Oxfordshire, OX14 4RN, United Kingdom

Abstract:Based on the special structure of high-power YbYb³⁺-doped double-clad fiber lasers, a heat dissipation model and the corresponding steady-state heat equations with consideration of both convective and radiative heat transfer are constructed. The temperature distributions along the radial and axial directions of the fiber for forward pump of 1000 W and two-end pump of 500 W each side are calculated numerically by using the steady-state rate equations and the heat equations. The results show that the temperature distribution for two-end pump mode is more even than that for forward pump mode and the maximum temperature in the fiber decreases by 139.8&deg;C. Finally, a comparison between the temperature distributions with and without consideration of radiative heat transfer is performed, the results of which indicate that radiative heat transfer plays an important role in heat dissipation of high-power fiber lasers. Therefore, radiative heat transfer has to be considered in the thermal, stress, and thermo-optic effects of any type of high-power fiber lasers.

Number of references:12

Main heading:Fiber lasers

Controlled terms:Heat losses - Heat transfer - High power lasers - Numerical methods - Temperature distribution - Ytterbium

Uncontrolled terms:Convective heat transfer - Heat equations - High-power fiber lasers - Radiative heat transfer - Thermo-optic effects

Classification code:547.2 Rare Earth Metals - 641.1 Thermodynamics - 641.2 Heat Transfer - 744.1 Lasers, General - 744.4 Solid State Lasers - 921.6 Numerical Methods

Treatment:Theoretical (THR); Experimental (EXP)

DOI:10.1080/09500340701477784

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 121>

 

Accession number:20084311658123

Title:Investigation on repetition rate stability of Cr⁴⁺:YAG passively Q-switched microchip laser

Authors:Liu, Shao-Long (1); Zhu, Shao-Lan (1); Zhao, Wei (1); Liu, Hong-Jun (1); Wang, Yi-Shan (1); Gao, Cun-Xiao (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Graduate University, Chinese Academy of Sciences, Beijing 100039, China

Corresponding author:Liu, S.-L.(liu_sl@126.com)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:9

Issue date:September 2008

Publication year:2008

Pages:1717-1721

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:Repetition rate stability of CW LD-pumped Nd:YVO<inf>4</inf>/Cr⁴⁺:YAG passively Q-switched microchip laser is investigated theoretically and experimentally. The results show that there is an optimal net gain in the cavity, which can make the laser work in the stable area. By optimizing the net gain in the cavity, the laser can work in stable area with coupled output mirror reflectivity of 85%, small-signal transmission of saturable absorber of 70%, and pump power from 1.05 W to 1.20 W. As the pump power is 1.16 W, high repetition rate output laser with repetition rate of 19.48 kHz and RMS jitter less than 0.68% is obtained. Moreover, the effects of the jitter of pump power on the repetition rate stability are studied. It is shown that jitter of pump power is the dominant factor after working in stable area. The pre-pumping technology is introduced and discussed, for reducing jitter of repetition rate from jitter of pump power.

Number of references:14

Main heading:Pumping (laser)

Controlled terms:Chromium - Integrated circuits - Jitter - Lasers - Mirrors - Pumps - Q switching

Uncontrolled terms:Cr⁴⁺:YAG - Dominant factors - High repetition rates - Microchip lasers - Mirror reflectivities - Net gain - Net gains - Optimizing - Passively Q-switched - Pump powers  - Repetition rates - Rms jitters - Saturable absorbers - Small-signal

Classification code:744.1 Lasers, General - 741.3 Optical Devices and Systems - 722.3 Data Communication, Equipment and Techniques - 718 Telephone Systems and Related Technologies; Line Communications - 744.8 Laser Beam Interactions - 717 Optical Communication - 714.2 Semiconductor Devices and Integrated Circuits - 618.2 Pumps - 543.1 Chromium and Alloys - 716 Telecommunication; Radar, Radio and Television

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 122>

 

Accession number:20074610914877

Title:Waveguides induced by steady-state gray solitons in biased photorefractive-photovoltaic crystals

Authors:Lu, Keqing (1); Zhao, Wei (1); Yang, Yanlong (1); Zhang, Meizhi (1); Yang, Yang (1); Zhang, Lei (1); Liu, Xueming (1); Chen, Yongzhuang (2); Zhang, Yanpeng (3); Xu, Jingjun (4)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academic of Sciences, Xi'an, 710068, China; (2) Shangluo University, Shaanxi, Shangluo, 726000, China; (3) Department of Electronic Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, China; (4) Department of Physics, Nankai University, Tianjin, 300071, China

Corresponding author:Lu, K.(keqinglu@opt.ac.cn)

Source title:Optics Communications

Abbreviated source title:Opt Commun

Volume:281

Issue:1

Issue date:January 1, 2008

Publication year:2008

Pages:49-54

Language:English

ISSN:00304018

CODEN:OPCOB8

Document type:Journal article (JA)

Publisher:Elsevier, P.O. Box 211, Amsterdam, 1000 AE, Netherlands

Abstract:We carry out a theoretical investigation of the properties of waveguides induced by photorefractive one-dimensional steady-state gray spatial solitons (i.e., screening solitons, photovoltaic solitons, and screening-photovoltaic solitons). We demonstrate that waveguides induced by photorefractive steady-state gray spatial solitons are only a single guided mode for both all soliton graynesses and all values of &rho;, where &rho; is the ratio between the soliton peak intensity and the dark irradiance, and moreover, waveguides induced by gray photovoltaic solitons for closed-circuit condition are also only a single guided mode for all electric current densities. We find that the confined energy near the center of a photorefractive steady-state gray spatial soliton increases with &rho; and decreases with an increase in the soliton grayness. We also find that the confined energy near the center of a gray photovoltaic soliton for closed-circuit condition increases with the electric current density. On the other hand, waveguides induced by gray screening-photovoltaic solitons are gray screening soliton-induced waveguides when the bulk photovoltaic effect is neglectable and are gray photovoltaic soliton-induced waveguides when the external bias field is absent. &copy; 2007 Elsevier B.V. All rights reserved.

Number of references:27

Main heading:Photorefractive crystals

Controlled terms:Electric currents - Irradiation - Nonlinear optics - One dimensional - Photovoltaic effects - Solitons

Uncontrolled terms:Electric current densities - Photorefractive effect - Spatial solitons

Classification code:701.1 Electricity: Basic Concepts and Phenomena - 741.1.1 Nonlinear Optics - 921.1 Algebra

Treatment:Theoretical (THR); Experimental (EXP)

DOI:10.1016/j.optcom.2007.08.051

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 123>

 

Accession number:20090711906904

Title:Influence of angular dispersion and divergence angle on efficiency and resolution of pump laser

Authors:Wang, Li (1); Bi, Si-Wen (1); Wang, Guo-Guo (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, CAS, Xi'an 710119, China; (2) Graduate University, Chinese Academy of Sciences, Beijing 100049, China

Corresponding author:Wang, L.(wl629@opt.ac.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:SUPPL.

Issue date:November 2008

Publication year:2008

Pages:271-274

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:The influence of the angular dispersion on conversion efficiency, the divergence angle and the modes of the pump laser on resolution were analyzed, the linear relation between phase mismatch and angular dispersion of the pump laser was demonstrated. The relation between the divergence angle and the modes of the pump laser and the resolution was studied under the phase-matching condition using spherical wave approximation.

Number of references:7

Main heading:Pumping (laser)

Controlled terms:Conversion efficiency - Lasers - Pumps

Uncontrolled terms:Angular dispersions - Divergence angle - Image up conversion - Linear relations - Phase mismatches - Phase-matching conditions - Pump lasers - Resolution - Spherical waves

Classification code:525.5 Energy Conversion Issues - 618.2 Pumps - 744.1 Lasers, General

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 124>

 

Accession number:20083511493989

Title:Study on high extinction ratio ytterbium-doped mode-locked fiber laser

Authors:Zhang, Wei (1); Li, Zhe (1); Chen, Guo-Fu (1); Zhao, Wei (1); Wang, Yi-Shan (1); Hou, Xun (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Graduate University, Chinese Academy of Sciences, Beijing 100039, China

Corresponding author:Zhang, W.(wyx27210@163.com)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:7

Issue date:July 2008

Publication year:2008

Pages:1297-1300

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:The experimental study of the Yb³⁺-doped fiber laser using the nonlinear amplified loop mirror (NALM) is reported, which is pumped by 976 nm semiconductor laser. Using polarization dependent isolator and polarization maintaining coupler instead of polarization independent isolator and single mode coupler, high extinction ratio mode-locked pulse train are achieved, the repetition rate is 13.46 MHz, the width of the spectrum is about 2 nm and the extinction ratio is higher than 25 dB.

Number of references:9

Main heading:Ytterbium

Controlled terms:Fiber lasers - Fiber optics

Uncontrolled terms:Experimental studies - Extinction ratio - Figure-of-eight laser (F8L) cavity - Laser technology - Mode-locked - Mode-locked fiber lasers

Classification code:547.2 Rare Earth Metals - 741.1.2 Fiber Optics - 744.4 Solid State Lasers

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 125>

 

Accession number:20082011256175

Title:Experimental study on ultrashort pulse ytterbium-doped fiber amplifier

Authors:Yang, Ling-Zhen (1); Wang, Yun-Cai (1); Chen, Guo-Fu (2); Wang, Yi-Shan (2); Zhao, Wei (2)

Author affiliation:(1) Physics Department, College of Science, Taiyuan University of Technology, Taiyuan 030024, China; (2) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China

Corresponding author:Yang, L.-Z.(office-science@tyut.edu.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:3

Issue date:March 2008

Publication year:2008

Pages:421-424

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:The experimental study of ultrashort pulse ytterbium-doped fiber amplifier is reported. Using different kinds of Yb³⁺-doped fiber with different length, the maximum output power of ultrashort pulse after the amplification is 140 mW and the pulse energy reaches 5.5 nJ. The results show that the generation of green luminescence and the self-absorb of the rare-earth-doped fiber are major factors, which influence the conversion efficiency of the amplifier. The green luminescence is the result of the transformation of resonance energy induced by the interaction between Yb³⁺ ions, which is cooperative energy transfer. The energy transfer will degrade the quantum efficiency of fiber amplifiers.

Number of references:15

Main heading:Fiber amplifiers

Controlled terms:Conversion efficiency - Energy transfer - Luminescence - Quantum efficiency - Rare earth additions - Ultrashort pulses

Uncontrolled terms:Rare earth doped fiber - Ytterbium ion doped fiber

Classification code:547.2 Rare Earth Metals - 741.1 Light/Optics - 744.1 Lasers, General - 744.4 Solid State Lasers - 931.4 Quantum Theory; Quantum Mechanics

Treatment:Experimental (EXP)

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 126>

 

Accession number:20083011401726

Title:Analysis on influencing factors of resolution of X-ray image intensifier

Authors:Pan, Jun-Jie (1); Zhao, Bao-Sheng (1); Sai, Xiao-Feng (1); Wang, Jun-Feng (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Graduate University, Chinese Academy of Sciences, Beijing 100039, China

Corresponding author:Pan, J.-J.(panjunjie@opt.ac.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:6

Issue date:June 2008

Publication year:2008

Pages:1116-1118

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:The principle, structure and influencing factors on resolution of X-ray image intensifier with double colse focus are studied. The resolution of two X-ray image intensifiers with different parameters is measured, and their actual resolutions are obtained. Compared of actual resolutions and theoretic resolutions, it shows that the influencing factors of X-ray image intensifier's resolution, include the voltage and distance between the MCP and the screen, the focus of the X-ray source and so on.

Number of references:6

Main heading:X rays

Controlled terms:Electron tubes - Image intensifiers (electron tube) - Image intensifiers (solid state) - Image storage tubes - Imaging systems - Imaging techniques - X ray analysis - X ray apparatus

Uncontrolled terms:Influencing factors - X-ray image intensifiers - X-ray sources

Classification code:421 Strength of Building Materials; Mechanical Properties - 422.1 Strength of Building Materials : Test Equipment - 714.1 Electron Tubes - 714.2 Semiconductor Devices and Integrated Circuits - 746 Imaging Techniques - 932.1 High Energy Physics

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 127>

 

Accession number:20081911244561

Title:Research on fabricating of Ag-microtubes modified polymer crystal optical fibres

Authors:Yang, Xing-Hua (1); Wang, Li-Li (1); Yang, Sheng (1)

Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China

Corresponding author:Yang, X.-H.(yangxh212@163.com)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:2

Issue date:February 2008

Publication year:2008

Pages:265-268

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:Silver microtube modified microstructured polymer optical fibres are prepared on the templates of hole arrays in MPOF. Effects of the concentration of Ag (NH<inf>3</inf>)<inf>2</inf>⁺-glucose and the reaction lime on the thickness of Ag microtube are investigated. When Ag (NH<inf>3</inf>)<inf>2</inf>⁺/glucose is two and the reaction time is 20 min, the smooth Ag-MPOF composite fibres are obtained at 65&deg;C.

Number of references:11

Main heading:Optical fiber fabrication

Controlled terms:Photonic crystals - Polymers - Silver

Uncontrolled terms:Microstructured polymer optical fibres - Multifunctional optical fibres - Silver microtube

Classification code:741.1.2 Fiber Optics - 741.3 Optical Devices and Systems - 815.1 Polymeric Materials

Treatment:Experimental (EXP)

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 128>

 

Accession number:20090611901658

Title:A small multi-purpose streak tube

Authors:Chen, Zheng-Kai (1); Tian, Jin-Shou (1); Liu, Hu-Lin (1); Bai, Yong-Lin (1); Liu, Bai-Yu (1); Ou-Yang, Xian (1); Bai, Xiao-Hong (1); Yang, Wen-Zheng (1); Zhao, Jun-Ping (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics Technology, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Graduate University, Chinese Academy of Sciences, Beijing 100049, China

Corresponding author:Chen, Z.-K.(zhchen@opt.ac.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:12

Issue date:December 2008

Publication year:2008

Pages:2379-2382

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:With the development of being small and portable, a static-electric focused streak tube with the length of 119.773 mm was designed. Subsequently, the trajectories of 2000 electrons propagating in this tube were figured out individually. According to these simulation results, the tube's character parameters such as temporal resolution and spatial resolution both under static and dynamic circumstances were calculated and analyzed in detail. The designed tube has a high time resolution of 2.9 ps, an accessible cathode area with the diameter of 15mm, and a large dynamic range.

Number of references:11

Main heading:Tubes (components)

Controlled terms:Image resolution - Modulation - Probability density function - Streak cameras - Transfer functions

Uncontrolled terms:Modulation transfer function - Multi-purpose - Spatial resolution - Streak tube - Temporal resolution

Classification code:723.2 Data Processing and Image Processing - 731.1 Control Systems - 741 Light, Optics and Optical Devices - 922.1 Probability Theory - 741.1 Light/Optics - 742.2 Photographic Equipment - 921 Mathematics - 742 Cameras and Photography - 718 Telephone Systems and Related Technologies; Line Communications - 717 Optical Communication - 511.2 Oil Field Equipment - 616.1 Heat Exchange Equipment and Components - 619.1 Pipe, Piping and Pipelines - 703.1 Electric Networks - 716 Telecommunication; Radar, Radio and Television - 716.4 Television Systems and Equipment

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 129>

 

Accession number:20090711902096

Title:Theoretical analysis of background light effect in transition from self-defocusing to self-focusing

Authors:Kang, Yi-Fan (1); Hu, Man-Li (1); Wang, Chao (2); Kang, Xiao-Hui (3); Lu, Ke-Qing (4); Zhang, Mei-Zhi (4); Gao, Chun-Yan (5)

Author affiliation:(1) Department of Physics, Northwest University, Xi'an 710069, China; (2) Department of Electronics Science and Technology, Xi'an Jiaotong University, Xi'an 710049, China; (3) Department of Computer, Xidian University, Xi'an 710071, China; (4) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (5) Department of Automatic and Information Engineering, Shaanxi Youth Vocational Colleague, Xi'an 710068, China

Corresponding author:Kang, Y.-F.(yifan440@126.com)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:12

Issue date:December 2008

Publication year:2008

Pages:2404-2408

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:The influence of background illumination on the transition from self-defocusing to self-focusing characteristics in photorefractive crystal was analyzed theoretically and testified experimentally in lithium niobate crystal, which resulted in the concrete transiting conditions by R &gt; 1 for crystal with different photorefractive property of &Delta;n &lt; 0 and &Delta;n &gt; 0. Based on the sense of Glass constant in photovoltaic effect, a theoretical model for carriers competition effect in photovoltaic solitons forming process was established, on which the relative spatial refractive perturbation in photovoltaic LN crystal was discussed, with a bigger Glass constant for background beam, and the same result as the in the experiment was obtained. So the conclusion that the carriers competition effect is just the intrinsic physical mechanism of the dynamical evolution from self-defocusing characteristics to self-focusing one was achieved eventually.

Number of references:12

Main heading:Focusing

Controlled terms:Civil aviation - Competition - Electric network analysis - Glass - Niobium compounds - Photoelectricity - Photoreactivity - Photorefractive crystals - Photorefractive materials - Photovoltaic effects

Uncontrolled terms:Background illumination - Carriers competition effect - Photovoltaic effect - Self-defocusing - Self-focusing

Classification code:911.2 Industrial Economics - 812.3 Glass - 804.2 Inorganic Compounds - 804.1 Organic Compounds - 751.1 Acoustic Waves - 741.3 Optical Devices and Systems - 741.1.1 Nonlinear Optics - 741.1 Light/Optics - 712.1 Semiconducting Materials - 711.1 Electromagnetic Waves in Different Media - 703.1.1 Electric Network Analysis - 701.1 Electricity: Basic Concepts and Phenomena - 431.1 Air Transportation, General

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 130>

 

Accession number:20081911244552

Title:Design of an intracavity photoconductive terahertz radiation generator

Authors:Zhang, Tong-Yi (1); Wang, Yi-Shan (1); Fan, Wen-Hui (1); Zhu, Shao-Lan (1); Zhao, Wei (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China

Corresponding author:Zhang, T.-Y.(tyzhang@opt.ac.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:2

Issue date:February 2008

Publication year:2008

Pages:219-224

Language:English

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:A new structure of an intracavity generator of terahertz (THz) radiation in the cavity of femtosecond mode-locked Ti:Sapphire lasers was presented. The scheme combines advantages of a fast saturable semiconductor Bragg mirror with that of a photoconductive THz emitter. It will significantly increase the efficiency of the intracavity THz generation, as well as self-start the mode-locked of femtosecond Ti:Sapphire lasers.

Number of references:59

Main heading:Ultrashort pulses

Controlled terms:Bragg reflectors - Laser mode locking - Photoconducting devices

Uncontrolled terms:Femtosecond titanium doped sapphire laser - Photoconductive dipole antenna - Saturable Bragg reflector - Terahertz (THz) radiation

Classification code:714.2 Semiconductor Devices and Integrated Circuits - 741.3 Optical Devices and Systems - 744.1 Lasers, General

Treatment:Experimental (EXP)

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 131>

 

Accession number:20081211158181

Title:The application of MUSIC algorithm in spectrum reconstruction and interferogram processing

Authors:Jian, Xiaohua (1); Zhang, Chunmin (1); Zhao, Baochang (2); Zhu, Baohui (1)

Author affiliation:(1) School of Science, Xi'an Jiao Tong University, Xi'an, 710049, China; (2) Xi'an Institute of Optics and Precision Mechanics, Academia Sinica, Xi'an, 710068, China

Corresponding author:Zhang, C.(zcm@mail.xjtu.edu.cn)

Source title:Optics Communications

Abbreviated source title:Opt Commun

Volume:281

Issue:9

Issue date:May 1, 2008

Publication year:2008

Pages:2424-2428

Language:English

ISSN:00304018

CODEN:OPCOB8

Document type:Journal article (JA)

Publisher:Elsevier, P.O. Box 211, Amsterdam, 1000 AE, Netherlands

Abstract:Three different methods of spectrum reproduction and interferogram processing are discussed and contrasted in this paper. Especially, the nonparametric model of MUSIC (multiple signal classification) algorithm is firstly brought into the practical spectrum reconstruction processing. The experimental results prove that this method has immensely improved the resolution of reproduced spectrum, and provided a better math model for super advanced resolving power in spectrum reconstruction. The usefulness and simplicity of the technique will lead the interference imaging spectrometers to almost every field into which the spectroscopy has ventured and into some where it has not gone before. &copy; 2007 Elsevier B.V. All rights reserved.

Number of references:25

Main heading:Optical signal processing

Controlled terms:Classification (of information) - Interferometers - Optical resolving power - Polarization - Spectrum analysis

Uncontrolled terms:Interference imaging spectrometers - Spectrum reconstruction processing

Classification code:701.1 Electricity: Basic Concepts and Phenomena - 716.1 Information Theory and Signal Processing - 741.1 Light/Optics - 903.1 Information Sources and Analysis - 921 Mathematics - 941.3 Optical Instruments

Treatment:Theoretical (THR)

DOI:10.1016/j.optcom.2007.12.050

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 132>

 

Accession number:20084611708239

Title:Theoretical and experimental studies on kinetics of photoinduced anisotropy of bacteriorhodopsin

Authors:Han, Junhe (1); Yao, Baoli (1); Gao, Peng (1); Chen, Liju (1); Wang, Yingli (1); Lei, Ming (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) School of Physics and Electronics, Henan University, Kaifeng 475004, China; (3) Graduate University, Chinese Academy of Sciences, Beijing 100049, China

Corresponding author:Han, J.(junhh@opt.ac.cn)

Source title:Guangxue Xuebao/Acta Optica Sinica

Abbreviated source title:Guangxue Xuebao

Volume:28

Issue:10

Issue date:October 2008

Publication year:2008

Pages:2010-2014

Language:Chinese

ISSN:02532239

CODEN:GUXUDC

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:The polymeric film embedded with polar bacteriorhodopsin (BR) molecules is isotropic in macroscopy since the BR molecules are randomly distributed. Upon excitation by a linearly polarized light, selective absorption of BR molecules with respect to the polarization orientation of the excitation light makes the nonuniformly distributed orientation of BR molecules, resulting in a macroscopic anisotropy. According to the two-state model of BR photocycle, the time-dependent orientation distribution of BR molecules in B state is obtained. The kinetic equations of the photoinduced anisotropy of the BR-film are derived. The kinetic curves of the photoinduced anisotropy at different intensities of excitation light are simulated, which are consistent with experimental results.

Number of references:22

Main heading:Anisotropy

Controlled terms:ABS resins - Integral equations - Light - Molecules - Stereochemistry

Uncontrolled terms:Bacteriorhodopsin (BR) - Excitation lights - Experimental studies - Holographic storage - Information optics - Kinetic curves - Kinetic equations - Linearly polarized lights - Macroscopic anisotropies - Orientation distributions  - Photocycle - Photoinduced anisotropies - Photoinduced anisotropy - Polarization orientations - Polymeric films - Randomly distributed - Selective absorptions - State models

Classification code:741.1 Light/Optics - 801 Chemistry - 815.1.1 Organic Polymers - 921.2 Calculus - 931.2 Physical Properties of Gases, Liquids and Solids - 931.3 Atomic and Molecular Physics

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 133>

 

Accession number:20082211283636

Title:The morphology of DNA solution in an open fluidic channel studied by non-contact AFM

Authors:Wang, Kai-Ge (1); Wang, Lei (2); Li, Ji (1); Xu, Gui-Wen (1); Jin, Ai-Zi (3); Gu, Chang-Zhi (3); Liu, Wen-Qing (4); Niu, Han-Ben (1)

Author affiliation:(1) Institute of Optoelectronics, Shenzhen University, Shenzhen, 518060, China; (2) Xi'an Institute of Applied Optics, Xi'an, 710065, China; (3) Laboratory for Micro-fabrication, Institute of Physics, CAS, Beijing, 100080, China; (4) Anhui Institute of Optics and Precision Mechanics, CAS, Hefei, 230031, China

Corresponding author:Wang, K.-G.(wangkg@hotmail.com)

Source title:Micron

Abbreviated source title:Micron

Volume:39

Issue:4

Issue date:June 2008

Publication year:2008

Pages:481-485

Language:English

ISSN:09684328

CODEN:MCONEN

Document type:Journal article (JA)

Publisher:Elsevier Ltd, Langford Lane, Kidlington, Oxford, OX5 1GB, United Kingdom

Abstract:The morphologies of pure buffer solution and DNA-containing solution in an open fluidic channel with rectangle cross section (1 &mu;m in width and 150 nm in depth) have been explored using non-contact AFM. A remarkable feature is that a uniform nano-scale trench (&sim;15 nm deep and 14 &mu;m long) on the surface of the DNA solution has been observed. The presence of two neighboring stretched DNA molecules near the solution surface may be responsible for the configuration of the nanotrench. This new phenomenon of partially stretched DNA molecules is likely to be useful for the future designing of fluidic devices, and for the manipulation and study of single DNA molecules. &copy; 2007 Elsevier Ltd. All rights reserved.

Number of references:24

Main heading:DNA

Controlled terms:Atomic force microscopy - Biomolecules - Fluidic devices - Fluidics

Uncontrolled terms:Modulation effects - Nanoscale trench - Open fluidic channels

Classification code:801.2 Biochemistry - 741.3 Optical Devices and Systems - 732.1 Control Equipment - 632.5 Fluidics - 632.2 Hydraulic Equipment and Machinery - 461.9 Biology - 461.2 Biological Materials and Tissue Engineering

Treatment:Theoretical (THR); Experimental (EXP)

DOI:10.1016/j.micron.2007.01.010

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 134>

 

Accession number:20081911245320

Title:Influence of auxiliary violet light on holographic diffraction efficiency under different recording intensities in bacteriorhodopsin film

Authors:Han, Jun-He (0); Yao, Bao-Li (0); Gao, Peng (0); Chen, Li-Ju (0); Wang, Ying-Li (0); Lei, Ming (0)

Corresponding author:Han, J.-H.

Corr. author affiliation:State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Acad. of Sci., Xi'an 710119, China

Source title:Wuli Xuebao/Acta Physica Sinica

Abbreviated source title:Wuli Xuebao

Volume:57

Issue:4

Issue date:April 2008

Publication year:2008

Pages:2199-2204

Language:Chinese

ISSN:10003290

CODEN:WLHPAR

Document type:Journal article (JA)

Publisher:Science Press, Beijing, 100085, China

Abstract:The photochromic bacteriorhodopsin (BR) film can be used as a rewritable holographic recording medium. Due to the scattering and the reflecting of light from the BR film, the grating contrast of the hologram is diminished during the hologram recording. When the intensity of the recording light is weak, the influence of the scattering and reflection on the grating contrast is low enough to be neglected. But in the case of intense recording light, this influence should not be overlooked. It is found that the influence of the auxiliary violet light on the holographic diffraction efficiency kinetics is distinct under different recording intensities. At weak recording light intensities, the steady diffraction efficiency are increased and the peak diffraction efficiency is suppressed by the auxiliary violet light. But for intense recording light, the steady diffraction efficiency as well as the peak diffraction efficiency are both increased by the auxiliary violet light. Based on the two-level model of BR photochromism, we give a good theoretical explanation to the above phenomena.

Number of references:16

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 135>

 

Accession number:20082111265653

Title:Optical properties of Nd(TTA)<inf>3</inf>(TPPO)<inf>2</inf> doped polymer and its potential laser application

Authors:Lu, Jiabao (1); Yu, Kehan (1); Wang, Hongyu (1); He, Junfang (2); Cheng, Guanghua (2); Qin, Chunyang (1); Lin, Jianming (1); Wei, Wei (1); Peng, Bo (1)

Author affiliation:(1) State Key Laboratory for Advanced Photonic Materials and Devices, Fudan University, Shanghai, 200433, China; (2) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and precision Mechanics, Chinese Academy of Science (CAS), Xi'an, Shaanxi 710119, China

Corresponding author:Wei, W.(iamww@fudan.edu.cn)

Source title:Optical Materials

Abbreviated source title:Opt Mater

Volume:30

Issue:10

Issue date:June 2008

Publication year:2008

Pages:1531-1537

Language:English

ISSN:09253467

CODEN:OMATET

Document type:Journal article (JA)

Publisher:Elsevier, P.O. Box 211, Amsterdam, 1000 AE, Netherlands

Abstract:In this work, the Nd(III) complex doped PMMA with high stimulated emission cross-section, which is one of the most important parameters for laser design, was presented. The molecular structure of the complex, Nd(TTA)<inf>3</inf>(TPPO)<inf>2</inf> (HTTA: 2-thenoyltrifluoroacetone, TPPO: triphenylphosphine oxide), was characterized by single-crystal X-ray diffraction. From the absorption and luminescence spectra, the Judd-Ofelt parameters (&Omega;<inf>2</inf>, &Omega;<inf>4</inf> and &Omega;<inf>6</inf>) of the Nd³⁺ ion in PMMA were obtained and the radiative properties were discussed using Judd-Ofelt theory. The stimulated emission cross-section of the emission band at 1.060 &mu;m is 2.75 &times; 10^-20 cm², which is higher than that of other Nd(III) complex doped organic systems and even comparable with some laser glasses. On the basis of the experimental data and Judd-Ofelt analysis, the ⁴F<inf>3/2</inf> &rarr⁴I<inf>11/2</inf> transition of the Nd³⁺ ion in PMMA can be considered as a possible laser transition. &copy; 2007 Elsevier B.V. All rights reserved.

Number of references:41

Main heading:Polymer matrix

Controlled terms:Doping (additives) - Neodymium compounds - Optical properties - Radiative transfer - Single crystals - Stimulated emission - X ray diffraction analysis

Uncontrolled terms:Emission crosssections - Judd Ofelt theory - Laser designs - Single crystal X ray diffraction

Classification code:933.1 Crystalline Solids - 815 Polymers and Polymer Science - 804.2 Inorganic Compounds - 801 Chemistry - 741.1 Light/Optics - 711 Electromagnetic Waves - 701 Electricity and Magnetism

Treatment:Theoretical (THR); Experimental (EXP)

DOI:10.1016/j.optmat.2007.09.009

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 136>

 

Accession number:20083511493992

Title:Analysis on coupling loss of fiber lasers

Authors:Cao, Xiang-Jie (1); Zou, Kuai-Sheng (1); Zhao, Wei (1); Li, Jian-Feng (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Graduate University, Chinese Academy of Sciences, Beijing 100039, China

Corresponding author:Cao, X.-J.(caoxiangjie@126.com)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:7

Issue date:July 2008

Publication year:2008

Pages:1309-1313

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:The fundamental mode LP<inf>01</inf> mode in double-clad fiber is approximated by a linear combination of Laguerre-Gauss beams. The first six Laguerre-Gauss modes contain 99.99% of energy of the LP<inf>01</inf> mode. The coupling loss in fiber lasers whose reflectors are a curvature mirror and a lens and flat mirror are calculated respectively. The numerical results show that the coupling loss is low when the cavity mirror is a phase-matched mirror. The coupling loss is zero when a flat mirror is placed closed to the fiber end face. When a plane mirror is placed at the focal plane of a lens, the coupling loss is 0.25%.

Number of references:14

Main heading:Fiber lasers

Controlled terms:Fiber optics

Uncontrolled terms:Coupling loss - Coupling losses - Fundamental modes - Laguerre-Gauss beam - LP<inf>01</inf> mode

Classification code:741.1.2 Fiber Optics - 744.4 Solid State Lasers

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 137>

 

Accession number:20084311658159

Title:Study on forecast tracking technique of photoelectric transit on ship

Authors:Zhang, Hai-Yang (1); Su, Xiu-Qin (2); Hao, Wei (2); Li, Zhe (2)

Author affiliation:(1) China Satellite Launch Measuring Department, Beijing 100094, China; (2) Xi'an Institute of Optics and Precision Mechanics, CAS, Xi'an 710119, China

Corresponding author:Zhang, H.-Y.(zhhyang208@163.com)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:9

Issue date:September 2008

Publication year:2008

Pages:1878-1882

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:Aim at the tracker on the photoelectric transit, which is placed on the ship. A forecast tracking technique based on mobile flat is presented. The former complex angle is transform from board coordinate to earth coordinate. The next complex angle is forecasted in earth coordinate; final, the forecast result is transform to the board coordinate. The stable tracking technique based on mobile flat is realized. This forecast result is compared with direct forecast in board coordinate, which fully prove that this forecast technique is more accurate and propitious to realize stable tracking on mobile flat.

Number of references:6

Main heading:Forecasting

Controlled terms:Electric discharges - Photoelectricity - Ships

Uncontrolled terms:Accurate - Axis of sight stabilization - Complex angles - Compound angle - Coordinate transform - Offset - Tracking - Tracking techniques

Classification code:921 Mathematics - 912.2 Management - 741.1 Light/Optics - 922.2 Mathematical Statistics - 701.1 Electricity: Basic Concepts and Phenomena - 672 Naval Vessels - 671 Naval Architecture - 674 Small Craft and Other Marine Craft

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 138>

 

Accession number:20082111273426

Title:Study on theory of polarizing Michelson interferometer for wind measurement based on polarizing arrays

Authors:Wang, Li (1); Zhao, Baochang (1); Zhang, Chunmin (3)

Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China; (2) Graduate University, Chinese Academy of Sciences, Beijing 100039, China; (3) Science School, Xi'an Jiaotong University, Xi'an 710049, China

Corresponding author:Wang, L.(wlfuyun@163.com)

Source title:Guangxue Xuebao/Acta Optica Sinica

Abbreviated source title:Guangxue Xuebao

Volume:28

Issue:4

Issue date:April 2008

Publication year:2008

Pages:700-704

Language:Chinese

ISSN:02532239

CODEN:GUXUDC

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:The polarizing Michelson interferometer of wind measurement based on polarization arrays is a interferometer for detecting atmosphere temperature and wind velocity. It is based on the principle of polarization interference. Four polarizers whose polarization orientation has an interval of 45&deg; in turn attach to the front of detector. Four beams of light from four-plate pyramid prism pass polarizers. Then four different interferential intensities are formed at the same time on the detector. Then wind velocity and atmosphere temperature will be deduced from the intensities. This imaging process is simulated and emulated. The result after data processing is coincident with true value. The interferometer offers advantages including simple and steady construction and high precision. It is fit for detecting fast goal.

Number of references:7

Main heading:Michelson interferometers

Controlled terms:Computer simulation - Data processing - Imaging techniques - Light polarization

Uncontrolled terms:Polarization arrays - Polarization optics - Wind field measurement

Classification code:723.2 Data Processing and Image Processing - 723.5 Computer Applications - 741.1 Light/Optics - 746 Imaging Techniques - 941.3 Optical Instruments

Treatment:Experimental (EXP)

DOI:10.3788/AOS20082804.0700

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 139>

 

Accession number:20082311303491

Title:Mechanical and optical performance analysis on rotating mirror with honeycomb cellular structure in ultra-high speed camera

Authors:Huang, Hong-Bin (1); Li, Jing-Zhen (2); Hui, Bin (2); Gong, Xiang-Dong (2); Chai, Jin-Long (1); Sun, Feng-Shan (3)

Author affiliation:(1) College of Mechatronics and Control Engineering, Shenzhen University, Shenzhen 518060, China; (2) College of Electronics Science and Technology, Shenzhen University, Shenzhen 518060, China; (3) Xi'an Institute of Optics and Precision Mechanics, Academia Sinica, Xi'an 710068, China

Corresponding author:Huang, H.-B.(huanghb@szu.edu.cn)

Source title:Shenzhen Daxue Xuebao (Ligong Ban)/Journal of Shenzhen University Science and Engineering

Abbreviated source title:Shenzhen Daxue Xuebao (Ligong Ban)

Volume:25

Issue:2

Issue date:April 2008

Publication year:2008

Pages:163-166

Language:Chinese

ISSN:10002618

Document type:Journal article (JA)

Publisher:Editorial Office of Journal of Shenzhen University, Shenzhen University, Shenzhen, 518060, China

Abstract:The three-faced rotating mirror with honeycomb cellular structure in ultra-high speed camera was presented, and the mechanical traits of such structural three-faced aluminous rotating mirror were analyzed by use of FEM (finite element method). The data indicate that the ultimate deformation magnitude of mirror surface, with width of 17.325 mm and length of 32.5 mm under the rotating speed of 5 &times; 10⁵ r/min, is 0.547 &mu;m, which is 0.159 times of non-honeycomb cellular rotating mirror, the same order with that of beryllium rotating mirror. The ultimate stress in this mirror is smaller than that of original aluminous mirror. The simulating values on the Optical train performances of beryllium mirror, original aluminous mirror, and honeycomb aluminous mirror by ZMAX indicate that the radius of ultimate viewing field confusion disc of honeycomb aluminous mirror is only 0.205 limes of original aluminous mirror, and is as much as that of beryllium mirror.

Number of references:5

Main heading:High speed cameras

Controlled terms:Aluminum - Beryllium - Deformation - Finite element method - Mirrors

Uncontrolled terms:Beryllium mirror - Honeycomb aluminous mirror - Honeycomb cellular structure - Original aluminous mirror - Rotating mirror - Ultimate deformation magnitude - Ultimate viewing field confusion disc - Ultrahigh speed camera

Classification code:541.1 Aluminum - 542.1 Beryllium and Alloys - 741.3 Optical Devices and Systems - 742.2 Photographic Equipment - 921.6 Numerical Methods

Treatment:Applications (APP)

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 140>

 

Accession number:20083811556128

Title:Ultra-narrow dual-channel filter based on sampled fiber Bragg gratings

Authors:Liu, Xueming (1); Sun, Guoyong (1); Moon, Dae Seung (1); Hwang, Dusun (1); Lin, Aoxiang (1); Chung, Youngjoo (1)

Author affiliation:(1) Department of Information and Communications, Gwangju Institute of Science and Technology (GIST), 1 Oryong-dong, Buk-gu, Gwangju 500-712, Korea, Republic of; (2) State Key Laboratory of Transient Optics and Photonics, Xi 'an Institute of Optics and Precision Mechanics, Chinese Academic of Sciences, Xi'an 710068, China

Corresponding author:Liu, X.

Source title:2008 Conference on Quantum Electronics and Laser Science Conference on Lasers and Electro-Optics, CLEO/QELS

Abbreviated source title:Conf. Quantum Electron. Laser Sci. Conf. Lasers Electro-Opt., CLEO/QELS

Monograph title:2008 Conference on Quantum Electronics and Laser Science Conference on Lasers and Electro-Optics, CLEO/QELS

Issue date:2008

Publication year:2008

Article number:4552243

Language:English

ISBN-10:1557528594

ISBN-13:9781557528599

Document type:Conference article (CA)

Conference name:Conference on Quantum Electronics and Laser Science Conference on Lasers and Electro-Optics, CLEO/QELS 2008

Conference date:May 4, 2008 - May 9, 2008

Conference location:San Jose, CA, United states

Conference code:73401

Publisher:Inst. of Elec. and Elec. Eng. Computer Society, 445 Hoes Lane - P.O.Box 1331, Piscataway, NJ 08855-1331, United States

Abstract:We have proposed a new kind of ultra-narrow dual-bandpass fiber Bragg gratings. Based on the proposed grating, an ultra-narrow dual-channel filter is designed. Our filter has the same bandwidth and the even strength, as well as the ultra-narrow bandwidth as small as &lt;1 pm. &copy;2008 Optical Society of America.

Number of references:5

Main heading:Fiber Bragg gratings

Controlled terms:Fiber optic sensors - Lasers - Quantum electronics - Telecommunication systems - Transceivers - Wave filters

Uncontrolled terms:Dual channels - Electro-optics - Laser science

Classification code:931.4 Quantum Theory; Quantum Mechanics - 744.1 Lasers, General - 744 Lasers - 741.3 Optical Devices and Systems - 741.1.2 Fiber Optics - 732.2 Control Instrumentation - 718 Telephone Systems and Related Technologies; Line Communications - 717 Optical Communication - 716.3 Radio Systems and Equipment - 716 Telecommunication; Radar, Radio and Television - 703.2 Electric Filters

DOI:10.1109/CLEO.2008.4552243

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 141>

 

Accession number:20083011401747

Title:Research on measurement method of image motion of space camera based on optical correlator

Authors:Fan, Chao (1); Li, Ying-Cai (1); Yi, Hong-Wei (1)

Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China

Corresponding author:Fan, C.(anfan2003@gmail.com)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:6

Issue date:June 2008

Publication year:2008

Pages:1213-1216

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:To measure the sub-pixel image motion which is caused by satellite attitude instability or vibration, the joint optical transform correlator is used based on using the auxiliary plane CCD to record of the image motion in the focal plane of the satellite camera. The principle of this method is described. To improve the measurement accuracy, the preprocessing method which uses the Laplacian convolution kernel in the input plane, subtraction and binary in the power spectrum is proposed, and the performance of which is simulated with different images under diverse SNR. The results show that, within 0-55 pixels displacement, the measurement accuracy of 0.2 pixel can be achieved for different input scene with SNR = 1.

Number of references:11

Main heading:Pixels

Controlled terms:Acoustic intensity - Cameras - Charge coupled devices - Focusing - Industrial management - Power spectrum - Satellites - Signal to noise ratio - Space research

Uncontrolled terms:Auxiliary plane - Convolution kernels - Correlator - Focal planes - Image motions - Laplacian - Measurement accuracy - Measurement methods - Optical correlator - Optical transforms  - Preprocessing methods - Satellite attitude - Space cameras - Sub pixels

Classification code:751.2 Acoustic Properties of Materials - 742.2 Photographic Equipment - 722.2 Computer Peripheral Equipment - 716.1 Information Theory and Signal Processing - 912.2 Management - 714.2 Semiconductor Devices and Integrated Circuits - 711 Electromagnetic Waves - 656.2 Space Research - 655.2 Satellites - 711.1 Electromagnetic Waves in Different Media

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 142>

 

Accession number:20090711906865

Title:Influence of composition of magneto-optical glasses on its verdet constant

Authors:Ma, Hai-Yun (1); Lu, Min (2); Song, Bo (1); Zou, Kuai-Sheng (2)

Author affiliation:(1) Materials Academy, Changchun University of Science and Technology, Changchun 130022, China; (2) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China

Corresponding author:Ma, H.-Y.

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:SUPPL.

Issue date:November 2008

Publication year:2008

Pages:108-110

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:Several glasses with different compositions were synthesized on the basis of silicate system by high temperature fusing method and the verdet constant were measured on the room temperature. The additive mean which can calculate the properties of glasses has been used to research nine glasses with different compositions, and the magnetic-optical properties of nine oxides compositions were obtained. The results show that those parameters obtained are able to caculate the verdet constant of silicate glasses.

Number of references:5

Main heading:Glass

Controlled terms:Chemical analysis - Faraday effect - Lenses - Magnetic field effects - Magnetooptical effects - Magnetos - Optical glass - Optical instruments - Optical materials - Optical properties  - Silicates

Uncontrolled terms:Glass composition - High temperatures - Magneto-optical glasses - Room temperatures - Silicate glass - Silicate systems - Verdet constant

Classification code:941.3 Optical Instruments - 812.3 Glass - 812 Ceramics, Refractories and Glass - 804 Chemical Products Generally - 801 Chemistry - 741.3 Optical Devices and Systems - 741.1 Light/Optics - 708.4 Magnetic Materials - 705.2 Electric Generators - 701.2 Magnetism: Basic Concepts and Phenomena - 701.1 Electricity: Basic Concepts and Phenomena - 482.2 Minerals - 414 Masonry Materials

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 143>

 

Accession number:20091412011704

Title:SENS-U: Remote human in loop health-monitoring system at home

Authors:Yuan, An (1); Yan, Liu (3); Ma, Cai-Wen (1); Sun, Li-Min (4); Xiao, Zhi-Feng (4)

Author affiliation:(1) 1 Xi'an Institute of Optics Precision Mechanics, Chinese Academy of Sciences, Xi'an, Shaanxi, 710068, China; (2) Graduate University of Chinese Academy of Sciences, Beijing, 100910, China; (3) School of Software and Microelectronics, Peking University, Beijing, 102600, China; (4) State Key Laboratory of Information Security, Institute of Software of Chinese Academy of Sciences, Beijing, 100910, China

Corresponding author:Yan, L.(ly@ss.pku.edu.cn)

Source title:Proceedings - 2008 Pacific-Asia Workshop on Computational Intelligence and Industrial Application, PACIIA 2008

Abbreviated source title:Proc. - Pacific-Asia Workshop Comput. Intel. Ind. Appl., PACIIA

Volume:1

Monograph title:Proceedings - 2008 Pacific-Asia Workshop on Computational Intelligence and Industrial Application, PACIIA 2008

Issue date:2008

Publication year:2008

Pages:441-445

Article number:4756598

Language:English

ISBN-13:9780769534909

Document type:Conference article (CA)

Conference name:2008 Pacific-Asia Workshop on Computational Intelligence and Industrial Application, PACIIA 2008

Conference date:December 19, 2008 - December 20, 2008

Conference location:Wuhan, China

Conference code:75763

Sponsor:Institute of Electrical and Electronics Engineers; Wuhan Institute of Technology, IEEE; Huazhong University of Science and Technology; Huazhong Normal University; Computing and Security Center

Publisher:Inst. of Elec. and Elec. Eng. Computer Society, 445 Hoes Lane - P.O.Box 1331, Piscataway, NJ 08855-1331, United States

Abstract:Personal health status is becoming a matter of concern while pressure of work growing gradually in everyday life, in the meantime, the ageing population needs more attention. Thanks to many challenging problems of Wireless Sensor Networks (WSNs) solved, exploring work of human body monitoring based on WSNs achieved great progress, we called it wireless Body Sensor Networks(BSNs). In this paper, we propose a novel healthmonitoring system based on BSNs; we named it SENS-U. It consists of wireless multi-parameters monitoring terminals and two medical care centers; with human body, they form a remote human in loop 4 vital signs and ECG monitoring system. &copy;2008 IEEE.copy; 2008 IEEE.

Number of references:9

Main heading:Wireless sensor networks

Controlled terms:Artificial intelligence - Industrial applications - Intelligent control - Sensor networks

Uncontrolled terms:Ageing populations - Health-monitoring systems - Human bodies - Medical cares - Monitoring systems - Multi-parameters - Personal healths - Vital signs - Wireless body sensor networks

Classification code:913 Production Planning and Control; Manufacturing - 901.4 Impact of Technology on Society - 732 Control Devices - 731.1 Control Systems - 723.4.1 Expert Systems - 723.4 Artificial Intelligence - 722.4 Digital Computers and Systems - 722.3 Data Communication, Equipment and Techniques - 716.3 Radio Systems and Equipment

DOI:10.1109/PACIIA.2008.212

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 144>

 

Accession number:20083511494019

Title:Low-temperature fluorescence spectroscopy and kinetics in the photosystem II core complex

Authors:Cai, Xia (1); Wang, Shui-Cai (2); He, Jun-Fang (2); Liu, Xiao (1); Peng, Ju-Fang (3)

Author affiliation:(1) College of Life Sciences, Northwest University, Xi'an 710069, China; (2) State Key Laboratory of Transience Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (3) College of Life Sciences, Shaanxi Normal University, Xi'an 710061, China

Corresponding author:Cai, X.(caix@nwu.edu.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:7

Issue date:July 2008

Publication year:2008

Pages:1441-1445

Language:English

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:Low-temperature fluorescence spectroscopy and kinetics in the core complex of photosystem II were studied with the methods of steady state and femtosecond fluorescence spectra techniques. The spectra at 83 K, 160 K and 273 K show the maximum becomes blue-shifted from 693.0 nm at 83 K to 683.0 nm at 160 K, and it is almost no shift at above 160 K. And the shoulder at long wavelength region becomes less apparent as the temperature increasing. Five groups of Chlorophyll a molecules marked as Chl a<inf>670</inf>^670.4, Chl a<inf>680</inf>^681.9, Chl a<inf>683</inf>^683.9, Chl a<inf>687</inf>^{687.5,687,8,689}, Chl a<inf>690</inf>^698.0 were discovered from spectra at three temperatures. Based on the analyses of decay kinetics, five lifetime components were obtained to be 73 ps, 110 ps, 186 ps, 246-972 ps and 1-3.7 ns. With the decreasing of temperature, the faster time component can be detected. In addition, the blue-shift of the spectrum was discussed.

Number of references:15

Main heading:Light emission

Controlled terms:Chlorine compounds - Chlorophyll - Fluorescence - Luminescence - Porphyrins

Uncontrolled terms:Chlorophyll-a - Femtosecond fluorescence - Fluorescence kinetics - Fluorescence spectroscopy - Long wavelengths - Low temperatures - Photobiology - Photosystem II - PSII core complex - Steady states

Classification code:741.1 Light/Optics - 804.1 Organic Compounds

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 145>

 

Accession number:20084711720434

Title:Simulation and analysis on electromechanical dynamics of optical-electric theodolite

Authors:Xu, Feng (1); Guo, Yong (3); Yu, Wei (3); Li, Zhi-Guo (1); Yuan, Xiao-Yang (3)

Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanics, CAS, Xi'an 710119, China; (2) Graduate University, CAS, Beijing 100039, China; (3) Key Laboratory of Education Ministry for Modern Design and Rotor-Bearing System, Xi'an Jiaotong University, Xi'an 710049, China

Corresponding author:Xu, F.(jia@opt.ac.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:10

Issue date:October 2008

Publication year:2008

Pages:2076-2079

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:The optical-electric theodolite model is established and simulated using ADAMS. The results show that there is coupled disturb between the two axes. It presents uncoupling analysis of two axes basing on rigid model of optical-electric theodolite and gyro dynamics. Then the inner parts of optical-electric theodolite are analyzed by Lagrange-Maxwell equations, the generalized coordinate describing biaxial motions is setup, and the electromechanical dynamics equations which can be applied in modeling of controlling systems are proposed presented.

Number of references:5

Main heading:Electric network analysis

Controlled terms:Dynamics - Equations of motion - Lagrange multipliers - Maxwell equations - Tools

Uncontrolled terms:Controlling systems - Electromechanical dynamics - Electromechanical dynamics, Lagrange-Maxwell equations - Generalized coordinates - Generalized force strength - Gyro dynamics - Lag ranges - Optical- - Optical-electric theodolite - Rigid models  - Set-ups - Simulation and analyses - Two axes

Classification code:921.2 Calculus - 921 Mathematics - 703.1.1 Electric Network Analysis - 931.1 Mechanics - 701.2 Magnetism: Basic Concepts and Phenomena - 605 Small Tools and Hardware - 603 Machine Tools - 701.1 Electricity: Basic Concepts and Phenomena

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 146>

 

Accession number:20084811739144

Title:Transverse shift of the transmitted beam of a non-uniformly polarized paraxial light beam at dielectric interfaces

Authors:Liu, Bao-Ying (0); Li, Chun-Fang (0)

Corresponding author:Li, C.-F.(cfi@shu.edu.cn)

Corr. author affiliation:State Key Laboratory of Transient Optics and Photonics, Xi'An Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China

Source title:Chinese Physics B

Abbreviated source title:Chin. Phys.

Volume:17

Issue:10

Issue date:Oct 1 2008

Publication year:2008

Pages:3720-3724

Language:English

ISSN:16741056

Document type:Journal article (JA)

Publisher:Institute of Physics Publishing, Bristol, BS1 6BE, United Kingdom

Abstract:This paper reports that the central position of the reflected and transmitted beams of a nonlinear polarized light beam at the interface between two media undergoes transverse shifts. It presents a solution to the problem of transverse shift of a non-uniformly polarized paraxial light beam transmitting through interfaces between two homogeneous media by using a two-form amplitude and an extension matrix to represent the vector angular spectrum of a three-dimensional (3D) light beam. It derives general formula for the transverse shift of the transmitted beam, and discusses the shift of a well-collimated beam transmitting through an interface between two homogeneous media and a thin dielectric slab. &copy; 2008 Chin. Phys. Soc. and IOP Publishing Ltd.

Number of references:21

DOI:10.1088/1674-1056/17/10/031

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 147>

 

Accession number:20082011256182

Title:Generation of low-timing-jitter optical pulses from uncooled gain-switched Fabry-Perot semiconductor laser under external CW light injection

Authors:Liu, Yuan-Shan (1); Zhang, Jian-Guo (1); Zhao, Wei (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Graduate University, Chinese Academy of Sciences, Beijing 100039, China

Corresponding author:Liu, Y.-S.(bull-0601@opt.ac.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:3

Issue date:March 2008

Publication year:2008

Pages:456-459

Language:English

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:An experimental investigation of the stable generation of ultrashort optical pulses is reported by using a low-cost, uncooled Fabry-Perot (FP) semiconductor laser under the gain-switching operation. The timing jitter of gain-switched optical pulses is reduced by use of external continuous-wave (CW) light injection. The results show that an uncooled gain-switched FP laser can feasibly produce the stable optical pulse trains with pulse width of 26 ps and timing jitter as low as 400 fs at the repetition frequency of 2.5 GHz, when the injection power of an external CW light is appropriately chosen.

Number of references:8

Main heading:Semiconductor lasers

Controlled terms:Laser pulses - Light sources - Optical communication - Timing jitter

Uncontrolled terms:External light injection - Gain switched semiconductor laser - Low cost ultrashort optical source - Optical pulses - Uncooled Fabry-Perot (FP) laser

Classification code:717.1 Optical Communication Systems - 741.1 Light/Optics - 741.3 Optical Devices and Systems - 744.1 Lasers, General - 744.4.1 Semiconductor Lasers

Treatment:Experimental (EXP)

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 148>

 

Accession number:20083511483080

Title:Temporal development of open-circuit bright photovoltaic solitons

Authors:Zhang, Lei (1); Lu, Ke-Qing (1); Zhang, Mei-Zhi (1); Liu, Xue-Min (1); Zhang, Yan-Peng (3)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academic of Sciences, Xi'an 710119, China; (2) Graduate School, Chinese Academy of Science, Beijing 100039, China; (3) Department of Electronic Science and Technology, Xi'an Jiaotong University, Xi'an 710049, China

Corresponding author:Zhang, L.(lei_zhang312@126.com)

Source title:Chinese Physics B

Abbreviated source title:Chin. Phys.

Volume:17

Issue:7

Issue date:July 1, 2008

Publication year:2008

Pages:2539-2543

Language:English

ISSN:16741056

Document type:Journal article (JA)

Publisher:Institute of Physics Publishing, Temple Back, Bristol, BS1 6BE, United Kingdom

Abstract:This paper investigates the temporal behaviour of open-circuit bright photovoltaic spatial solitons by using numerical techniques. It shows that when the intensity ratio of the soliton, the ratio between the soliton peak intensity and the dark irradiance, is small, the quasi-steady-state soliton width decreases monotonically with the increase of &tau;, where &tau; is the parameter correlated with the time, that when the intensity ratio of the soliton is big, the quasi-steady-state soliton width decreases with the increase of &tau; and then increases with &tau;, and that the formation time of the steady-state solitons is not correlated with the intensity ratio of the soliton. It finds that the local nonlinear effect increases with the photovoltaic field, which behaves as that the width of soliton beams is small and the self-focusing quasi-period is short. On the other hand, we also discuss that both the time and the temperature have an effect on the beam bending. &copy; 2008 Chin. Phys. Soc. and IOP Publishing Ltd.

Number of references:19

Main heading:Solitons

Controlled terms:Convergence of numerical methods

Uncontrolled terms:Beam bending - Dark irradiance - Intensity ratios - Monotonically - Non-linear effects - Nonlinear optics - Numerical - techniques - Photovoltaic effect - Photovoltaic solitons - Quasi-steady-state soliton  - Self-focusing - Soliton beams - Soliton peak - Spatial solitons - Temperature - Temporal behaviour - Temporal development

Classification code:921.1 Algebra - 921.6 Numerical Methods

DOI:10.1088/1674-1056/17/7/033

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 149>

 

Accession number:20081311176255

Title:Temporal behavior of dark spatial solitons in closed-circuit photovoltaic media

Authors:Lu, Keqing (1); Zhao, Wei (1); Zhang, Lei (1); Li, Kehao (1); Zhang, Yiqi (1); Liu, Xueming (1); Zhang, Yanpeng (2); Xu, Jingjun (3)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academic of Sciences, Xi'an, 710119, China; (2) Department of Electronic Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, China; (3) Department of Physics, Nankai University, Tianjin, 300071, China

Corresponding author:Lu, K.(keqinglu@opt.ac.cn)

Source title:Optics Communications

Abbreviated source title:Opt Commun

Volume:281

Issue:10

Issue date:May 15, 2008

Publication year:2008

Pages:2913-2917

Language:English

ISSN:00304018

CODEN:OPCOB8

Document type:Journal article (JA)

Publisher:Elsevier, P.O. Box 211, Amsterdam, 1000 AE, Netherlands

Abstract:We show that the time-dependent nonlinear wave equation in closed-circuit photovoltaic media can exhibit quasi-steady-state and steady-state spatial solitons. We demonstrate that the formation time of open-circuit quasi-steady-state and open-circuit steady-state dark solitons decreases with an increase in the intensity ratio of the soliton, which is the ratio between the soliton peak intensity and the dark irradiance. We find that for the time-dependent nonlinear wave equation that exhibits only an open-circuit steady-state dark soliton, changing the electric current density J<inf>0</inf> does not generate quasi-steady-state dark solitons and affects the formation time of steady-state dark solitons and that for the time-dependent nonlinear wave equation that exhibits an open-circuit quasi-steady-state dark soliton, changing J<inf>0</inf> gives rise to three different time evolution regimes of the full width half maximum of the soliton's intensity. The first regime shows that the formation time of steady-state dark solitons increases with J<inf>0</inf> whereas the formation time of quasi-steady-state dark solitons is independent of J<inf>0</inf>. The second regime shows that the formation time of steady-state dark solitons decreases with an increases in J<inf>0</inf> and the formation time of quasi-steady-state dark solitons increases with J<inf>0</inf>. The third regime shows that changing J<inf>0</inf> enables only steady-state dark solitons in the time-dependent nonlinear wave equation, of which the formation time increases with J<inf>0</inf>. &copy; 2008 Elsevier B.V. All rights reserved.

Number of references:19

Main heading:Solitons

Controlled terms:Circuit theory - Current density - Nonlinear optics - Photovoltaic effects - Wave equations

Uncontrolled terms:Closed-circuit photovoltaic media - Dark spatial solitons - Steady-state spatial solitons

Classification code:701.1 Electricity: Basic Concepts and Phenomena - 703.1 Electric Networks - 741.1.1 Nonlinear Optics - 921.1 Algebra - 921.2 Calculus

Treatment:Experimental (EXP)

DOI:10.1016/j.optcom.2008.01.007

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 150>

 

Accession number:20090711906910

Title:Imaging analysis and optical system of imaging spectrometer based on liquid crystal tunable filter

Authors:Li, Yan (1); Wang, Zhong-Hou (1); Bai, Jia-Guang (1); Xiao, Xiang-Guo (1)

Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanics, CAS, Xi'an 710119, China; (2) Graduate School, Chinese Academy of Sciences, Beijing 100049, China

Corresponding author:Li, Y.(leeyan@opt.ac.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:SUPPL.

Issue date:November 2008

Publication year:2008

Pages:293-296

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:The experimental setup of a multispectral image acquisition system consisting of a photographic objective and a Liquid Crystal tunable filter (LCTF) in which the spectral transmittance can be controlled electronically were presented. A group of image was given with varying peek wavelength from 440 nm to 720 nm. An analysis of this image indicated the system model which enables a small, light weight, low power, band sequential imaging spectrometer design.

Number of references:6

Main heading:Liquid crystals

Controlled terms:Image acquisition - Light sources - Model structures - Optical systems - Spectrometers - Spectrometry

Uncontrolled terms:Experimental set-up - Imaging analysis - Imaging equipment - Imaging spectrometers - Light weights - Liquid Crystal Tunable Filiter - Liquid crystal tunable filters - Low-power - Multi-spectral images - Spectral imaging  - Spectral transmittances - System models - Tunable filters

Classification code:941.3 Optical Instruments - 931.2 Physical Properties of Gases, Liquids and Solids - 804 Chemical Products Generally - 801 Chemistry - 744 Lasers - 941.4 Optical Variables Measurements - 741.3 Optical Devices and Systems - 723 Computer Software, Data Handling and Applications - 714.2 Semiconductor Devices and Integrated Circuits - 707.2 Electric Lamps - 408 Structural Design - 741.1 Light/Optics

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 151>

 

Accession number:20084511676337

Title:Construction of 2-D directional filter bank by cascading checkerboard-shaped filter pair and CMFB

Authors:Zhou, Zuo-Feng (1); Cheng, Yuan-Yuan (1); Shui, Peng-Lang (1)

Author affiliation:(1) National Laboratory of Radar Signal Processing, Xidian University, Xi'an 710071, China; (2) Xi'An Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an, 710119, China

Corresponding author:Zhou, Z.-F.(ever817@126.com)

Source title:Signal Processing

Abbreviated source title:Signal Process

Volume:88

Issue:10

Issue date:October 2008

Publication year:2008

Pages:2500-2510

Language:English

ISSN:01651684

CODEN:SPRODR

Document type:Journal article (JA)

Publisher:Elsevier, P.O. Box 211, Amsterdam, 1000 AE, Netherlands

Abstract:In this paper, we propose a new approach to construct a 2-dimensional (2-D) directional filter bank (DFB) by cascading a 2-D nonseparable checkerboard-shaped filter pair and 2-D separable cosine modulated filter bank (CMFB). Similar to diagonal subbands in 2-D separable wavelets, most of the subbands in 2-D separable CMFBs, tensor products of two 1-D CMFBs, are poor in directional selectivity due to the fact that the frequency supports of most of the subband filters are concentrated along two different directions. To improve the directional selectivity, we propose a new DFB to realize the subband decomposition. First, a checkerboard-shaped filter pair is used to decompose an input image into two images containing different directional information of the original image. Next, a 2-D separable CMFB is applied to each of the two images for directional decomposition. The new DFB is easy in design and has merits: low redundancy ratio and fine directional-frequency tiling. As its application, the BLS-GSM algorithm for image denoising is extended to use the new DFBs. Experimental results show that the proposed DFB achieves better denoising performance than the methods using other DFBs for images of abundant textures. &copy; 2008 Elsevier B.V. All rights reserved.

Number of references:31

Main heading:Filter banks

Controlled terms:Decomposition - Digital filters - Image coding - Image enhancement - Image processing - Image retrieval - Tensors - Wave filters

Uncontrolled terms:Checkerboard-shaped filter pair (CSFP) - Cosine modulated filter bank (CMFB) - Directional filter bank (DFB) - Directional-frequency selectivity - Image denoising

Classification code:921.1 Algebra - 802.2 Chemical Reactions - 741 Light, Optics and Optical Devices - 723.2 Data Processing and Image Processing - 716 Telecommunication; Radar, Radio and Television - 713 Electronic Circuits - 703.2 Electric Filters

DOI:10.1016/j.sigpro.2008.04.011

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 152>

 

Accession number:20083911578771

Title:Erratum: Effect of reconstruction beam polarization on the kinetics anisotropic gratings in bacteriorhodopsin (Journal of the Optical Society of America A: Optics and Image Science, and Vision (2008) vol. 25 (685))

Authors:Gao, Peng (0); Yao, Baoli (0); Han, Junhe (0); Chen, Liju (0); Wang, Yingli (0); Lei, Ming (0); Rupp, Romano A. (0)

Corresponding author:Yao, B.(yaobl@opt.ac.cn)

Corr. author affiliation:State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China

Source title:Journal of the Optical Society of America A: Optics and Image Science, and Vision

Abbreviated source title:J Opt Soc Am A

Volume:25

Issue:7

Issue date:July 2008

Publication year:2008

Pages:1660

Language:English

ISSN:10847529

E-ISSN:15208532

CODEN:JOAOD6

Document type:Journal article (JA)

Publisher:Optical Society of America, Washington, DC 20036-1023, United States

Abstract:No abstract available

Number of references:3

DOI:10.1364/JOSAA.25.001660

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 153>

 

Accession number:20083811555623

Title:Mass-fabrication of air-core microstructured polymer optical fiber

Authors:Kang, Lijun (1); Wang, Lili (1); Yang, Xinghua (1); Wang, Jian (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Information road 17, Xi'an, Shannxi, 710119

Corresponding author:Kang, L.

Source title:2008 Conference on Quantum Electronics and Laser Science Conference on Lasers and Electro-Optics, CLEO/QELS

Abbreviated source title:Conf. Quantum Electron. Laser Sci. Conf. Lasers Electro-Opt., CLEO/QELS

Monograph title:2008 Conference on Quantum Electronics and Laser Science Conference on Lasers and Electro-Optics, CLEO/QELS

Issue date:2008

Publication year:2008

Article number:4551724

Language:English

ISBN-10:1557528594

ISBN-13:9781557528599

Document type:Conference article (CA)

Conference name:Conference on Quantum Electronics and Laser Science Conference on Lasers and Electro-Optics, CLEO/QELS 2008

Conference date:May 4, 2008 - May 9, 2008

Conference location:San Jose, CA, United states

Conference code:73401

Publisher:Inst. of Elec. and Elec. Eng. Computer Society, 445 Hoes Lane - P.O.Box 1331, Piscataway, NJ 08855-1331, United States

Abstract:An air-core, 252 holes cladding, 51% air-occupied fraction PMMA-based MPOF as successfully fabricated by drawing an extruded 253 holes preform. With the extrusion technique, air-core MPOF preform could be produced on a large scale. &copy; 2008 Optical Society of America.

Number of references:7

Main heading:Fabrication

Controlled terms:ABS resins - Electron optics - Forming - Lasers - Optical fibers - Preforming - Quantum electronics

Uncontrolled terms:Electro-optics - Laser science - Polymer optical fiber

Classification code:931.4 Quantum Theory; Quantum Mechanics - 931.3 Atomic and Molecular Physics - 913.4 Manufacturing - 816.1 Processing of Plastics and Other Polymers - 815.1.1 Organic Polymers - 744.1 Lasers, General - 744 Lasers - 741.1.2 Fiber Optics - 701.1 Electricity: Basic Concepts and Phenomena - 535.2.2 Metal Forming Practice - 535.2 Metal Forming

DOI:10.1109/CLEO.2008.4551724

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 154>

 

Accession number:20080911124427

Title:Simulation of quenching process during microarc oxidation (MAO) and its effect on the microstructure of Al<inf>2</inf>O<inf>3</inf> coating

Authors:Li, Hua-Ping (1); Chai, Guang-Yue (3); Peng, Wen-Da (3); Yang, Ying (3); Gao, Min (3); Guo, Bao-Ping (3); Niu, Han-Ben (3)

Author affiliation:(1) Xi'an Institute of Optics and Precession Mechanics, Chinese Academy of Sciences, Xi'an 710068, China; (2) Graduate University, Chinese Academy of Sciences, Beijing 100049, China; (3) Institute of Optoelectronics, Shenzhen University, Shenzhen 518060, China

Corresponding author:Li, H.-P.

Source title:Wuji Cailiao Xuebao/Journal of Inorganic Materials

Abbreviated source title:Wuji Cailiao Xuebao

Volume:23

Issue:1

Issue date:January 2008

Publication year:2008

Pages:114-120

Language:Chinese

ISSN:1000324X

CODEN:WCXUET

Document type:Journal article (JA)

Publisher:Science Press, 18,Shuangqing Street,Haidian, Beijing, 100085, China

Abstract:The convection heat transfer coefficient on Al<inf>2</inf>O<inf>3</inf> coating during microarc oxidation process was estimated by experiment and simulation. The Al<inf>2</inf>O<inf>3</inf>/Al interface was found to be a heat-transfer passage. During quenching, most heat of the micro-melting-pool was transferred through the Al substrate and the Al<inf>2</inf>O<inf>3</inf> coating nearby. The micro-melting-pool was modeled by the finite element method (FEM), and the process of quenching was characterized by the simulated temperature-time curves of the nodes along the depth, respectively. The effects of the quenching on the distribution of &alpha;-Al<inf>2</inf>O<inf>3</inf> and surface morphology of Al<inf>2</inf>O<inf>3</inf> coating were discussed by comparing the relative cooling rate at different positions. The influence of pressure on the microstructure of Al<inf>2</inf>O<inf>3</inf> coating was also discussed briefly.

Number of references:17

Main heading:Alumina

Controlled terms:Aluminum alloys - Computer simulation - Finite element method - Heat transfer coefficients - Microstructure - Oxidation - Protective coatings - Quenching - Surface morphology

Uncontrolled terms:Micro melting pool - Microarc oxidation (MAO)

Classification code:951 Materials Science - 931.2 Physical Properties of Gases, Liquids and Solids - 921.6 Numerical Methods - 813.2 Coating Materials - 804.2 Inorganic Compounds - 802.2 Chemical Reactions - 723.5 Computer Applications - 541.2 Aluminum Alloys - 537.1 Heat Treatment Processes

Treatment:Experimental (EXP)

DOI:10.3724/SP.J.1077.2008.00114

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 155>

 

Accession number:20083611516589

Title:Influence of polarization orientation of violet light on the diffraction efficiency of bacteriorhodopsin

Authors:Yao, Baoli (1); Gao, Peng (1); Han, Junhe (1); Chen, Liju (1); Wang, Yingli (1); Lei, Ming (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Graduate School of the Chinese Academy of Sciences, Beijing 100039, China

Corresponding author:Yao, B.(yaobl@opt.ac.cn)

Source title:Journal of the Optical Society of America A: Optics and Image Science, and Vision

Abbreviated source title:J Opt Soc Am A

Volume:25

Issue:6

Issue date:June 2008

Publication year:2008

Pages:1274-1278

Language:English

ISSN:10847529

E-ISSN:15208532

CODEN:JOAOD6

Document type:Journal article (JA)

Publisher:Optical Society of America, 2010 Massachusetts Ave, NW, Washington, DC, DC 20036-1023, United States

Abstract:When a grating is recorded in a bacteriorhodopsin film by two linear parallel polarized beams together with an auxiliary violet light, the diffraction efficiency has a dependence on the polarization orientation of the violet light as well as its intensity. A method for calculating the diffraction efficiency of gratings in bacteriorhodopsin is proposed based on the two-state photochromic model, considering the saturation effect and the polarization status of all the involved lights. It is found that the polarization orientation of the violet light produces an approximate-cosine and an approximate-sine modulation on the steady-state diffraction efficiency separately at low and high intensities, respectively. The parallel polarized violet light can improve the steady-state diffraction efficiency to a larger degree than the perpendicularly polarized violet light when both are at their optimal intensities. The optimal intensity for the parallel polarized violet light is lower than that of the perpendicular polarized one. Thus, the improvement of the steady-state diffraction efficiency is less sensitive to the intensity of perpendicular polarized violet light than to that of parallel polarized violet light. &copy; 2008 Optical Society of America.

Number of references:16

Main heading:Light

Controlled terms:Diffraction - Diffraction efficiency - Electromagnetic waves - Modulation - Polarization

Uncontrolled terms:Polarization orientations - Polarized beams - Saturation effects

Classification code:743 Holography - 741.1 Light/Optics - 741 Light, Optics and Optical Devices - 718 Telephone Systems and Related Technologies; Line Communications - 801.4.2 Radiation Chemistry - 717 Optical Communication - 711.1 Electromagnetic Waves in Different Media - 711 Electromagnetic Waves - 701.1 Electricity: Basic Concepts and Phenomena - 716 Telecommunication; Radar, Radio and Television

DOI:10.1364/JOSAA.25.001274

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 156>

 

Accession number:20083911588024

Title:Study of hot electrons generated from intense laser-plasma interaction employing Image Plate

Authors:Liang, Wenxi (1); Li, Yutong (1); Xu, Miaohua (1); Yuan, Xiaohui (1); Zheng, Zhiyuan (1); Zhang, Yi (1); Liu, Feng (1); Wang, Zhaohua (1); Li, Hanming (1); Jin, Zhan (1); Wei, Zhiyi (1); Zhao, Wei (2); Li, Yingjun (1); Zhang, Jie (1)

Author affiliation:(1) Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China; (2) State Key Laboratory of Transient Optics Technology, Chinese Academy of Sciences, Xi'an 710068, China; (3) School of Sciences, China University of Mining and Technology, Beijing 100083, China

Corresponding author:Zhang, J.(jzhang@aphy.iphy.ac.cn)

Source title:Science in China, Series G: Physics, Mechanics and Astronomy

Abbreviated source title:Sci. China Ser. G Phys. Mech. Astron.

Volume:51

Issue:10

Issue date:October 2008

Publication year:2008

Pages:1455-1462

Language:English

ISSN:16721799

E-ISSN:18622844

Document type:Journal article (JA)

Publisher:Springer Verlag, Tiergartenstrasse 17, Heidelberg, D-69121, Germany

Abstract:Image Plate (IP) is convenient to be used and very suitable for radiation detection because of its advantages such as wide dynamic range, high detective quantum efficiency, ultrahigh sensitivity and superior linearity. The function mechanism and characteristics of IP are introduced in this paper. IP was employed in the study of hot electrons generated from intense laser-plasma interaction. The angular distribution and energy spectrum of hot electrons were measured with IP in the experiments. The results demonstrate that IP is an effective radiation detector for the study of laser-plasma interaction. &copy; 2008 Science in China Press and Springer-Verlag GmbH.

Number of references:20

Main heading:Plasma interactions

Controlled terms:Angular distribution - Atoms - Beam plasma interactions - Flow interactions - Hot carriers - Hot electrons - Internet protocols - Laser beams - Laser fusion - Laser produced plasmas  - Lasers - Plasmas

Uncontrolled terms:Detective Quantum Efficiency - En ergy spectrum - Image plates - IP - Laser-plasma interaction - Radiation detection - Ultra-high-sensitivity - Wide dynamic range

Classification code:931.3 Atomic and Molecular Physics - 744.9 Laser Applications - 744.8 Laser Beam Interactions - 932.3 Plasma Physics - 744.1 Lasers, General - 701.1 Electricity: Basic Concepts and Phenomena - 631.1 Fluid Flow, General - 722.3 Data Communication, Equipment and Techniques

DOI:10.1007/s11433-008-0146-y

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 157>

 

Accession number:20082711348310

Title:Control of the superfluorescence for compact optical parametric chirped pulse amplification

Authors:Li, Xiao-Li (1); Liu, Hong-Jun (1); Wang, Hong-Ying (1); Zhao, Wei (1); Shi, Shun-Xiang (2)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonic Technology, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an, China; (2) School of Technique Physics, Xidian University, Xi'an, China

Corresponding author:Li, X.-L.(lxl8201@sohu.com)

Source title:Journal of Modern Optics

Abbreviated source title:J. Mod. Opt.

Volume:55

Issue:11

Issue date:June 2008

Publication year:2008

Pages:1795-1800

Language:English

ISSN:09500340

E-ISSN:13623044

CODEN:JMOPEW

Document type:Journal article (JA)

Publisher:Taylor and Francis Ltd., 4 Park Square, Milton Park, Abingdon, Oxfordshire, OX14 4RN, United Kingdom

Abstract:A compact optical parametric chirped pulse amplification system has been demonstrated, in which a novel double-pass optical parametric chirped pulse amplifier was introduced. The signal was double-pass amplified in the second nonlinear crystal by a long pump pulse, and the signal and pump pulses of each pass were completely phase matched in the plane of the maximum effective nonlinearity. The superfluorescence was markedly suppressed to less than 1% of the total output pulse energy with a total saturation gain of 3107 and single pulse energy fluctuation less than 3% rms.

Number of references:17

Main heading:Pulse amplifiers

Controlled terms:Amplification - Fluorescence - Laser optics - Powders - Pumps

Uncontrolled terms:Chirped pulse amplifiers - Double pass - Non linear crystals - Nonlinearity (including bifurcation theory) - Optical (PET) (OPET) - Optical parametric chirped pulse amplification system - Optical parametric chirped-pulse amplification (OPCPA) - Pulse energies - pump pulses - Saturation gain  - Single pulse energy - Super fluorescence

Classification code:536 Powder Metallurgy - 618.2 Pumps - 713.1 Amplifiers - 741.1 Light/Optics

DOI:10.1080/09500340701813202

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 158>

 

Accession number:20083711541344

Title:Wide field-of-view foveated imaging system

Authors:Zhao, Xiaoxia (1); Xie, Yongjun (1); Zhao, Wei (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 71011, China; (2) Physics Department, Anyang Normal University, Anyang 455000, China; (3) Graduate University, Chinese Academy of Sciences, Beijing 100049, China

Corresponding author:Zhao, X.

Source title:Chinese Optics Letters

Abbreviated source title:Chin. Opt. Lett.

Volume:6

Issue:8

Issue date:August 2008

Publication year:2008

Pages:561-563

Language:English

ISSN:16717694

Document type:Journal article (JA)

Publisher:Science Press, 18,Shuangqing Street,Haidian, Beijing, 100085, China

Abstract:We have designed and demonstrated a simple, wide field-of-view (FOV = 60&deg;) foveated imaging system utilizing a deformable mirror. The deformable mirror is used to dynamically correct the off-axis aberrations that limit the useful FOV of the system. The system mimics the operation of human eye through creating an image with variable spatial resolution and can be made significantly smaller and more compact than a conventional wide FOV system. Experiments show that this system can be used in many areas where size, weight, and data transmission bandwidth are critical.

Number of references:10

Main heading:Geometrical optics

Controlled terms:Computer networks - Deformation - Imaging systems - Laser pulses - Mirrors - Optoelectronic devices

Uncontrolled terms:Deformable Mirror - Foveated imaging - Wide field-of-view

Classification code:723 Computer Software, Data Handling and Applications - 723.2 Data Processing and Image Processing - 741 Light, Optics and Optical Devices - 741.1 Light/Optics - 741.3 Optical Devices and Systems - 744.1 Lasers, General - 746 Imaging Techniques - 722 Computer Systems and Equipment - 421 Strength of Building Materials; Mechanical Properties - 422 Strength of Building Materials; Test Equipment and Methods - 714.2 Semiconductor Devices and Integrated Circuits - 716 Telecommunication; Radar, Radio and Television - 717 Optical Communication - 717.2 Optical Communication Equipment - 718 Telephone Systems and Related Technologies; Line Communications

DOI:10.3788/COL20080608.0561

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 159>

 

Accession number:20084711720420

Title:Precision and errors analysis of PIV used for the watertunnel flow field displaying and measuring system

Authors:Ruan, Chi (1); Sun, Chuan-Dong (1); Bai, Yong-Lin (1); Wang, Yi-Shan (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China

Corresponding author:Ruan, C.(ruanchi@opt.ac.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:10

Issue date:October 2008

Publication year:2008

Pages:2005-2008

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:In order to improve the measuring accuracy, the limitations to the detecting precision of the PIV were discussed and the improve methods were given. The experiments were designed to measure the non-model and the ball model flow fields in the watertunnel. The measuring accuracy of the non-model flow field with the flow speed of 6 m/s was less than 1.3%. By comparing the theory value and the detecting results of the ball model flow fields, the accuracy of the majority area in the detecting domain was less than 2%, but in the ball boundary and the area beside the link was 6%-8%. In the end, the errors were analyzed for the system future improvement.

Number of references:7

Main heading:Flow fields

Controlled terms:Errors - Flow of fluids - Spheres

Uncontrolled terms:Ball-model - Do-mains - Flow speeds - Measuring accuracies - Measuring systems - PIV

Classification code:631 Fluid Flow - 631.1 Fluid Flow, General - 731 Automatic Control Principles and Applications - 921 Mathematics - 922.2 Mathematical Statistics - 931.1 Mechanics

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 160>

 

Accession number:20083811553848

Title:Polymer-based microstructured fiber towards imaging application

Authors:Wang, Lili (1); Wang, Jian (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Information Road 17, Xi'an, Shannxi, 710119

Corresponding author:Wang, L.(wangll@opt.ac.cn)

Source title:Conference on Quantum Electronics and Laser Science (QELS) - Technical Digest Series

Abbreviated source title:Conf Quant Electron Laser Sci QELS Tech Dig Ser

Monograph title:2008 Conference on and Quantum Electronics and Laser Science Conference Lasers and Electro-Optics, QELS

Issue date:2008

Publication year:2008

Article number:4552676

Language:English

ISBN-10:1557528594

ISBN-13:9781557528599

Document type:Conference article (CA)

Conference name:Conference on and Quantum Electronics and Laser Science Conference Lasers and Electro-Optics, QELS 2008

Conference date:May 4, 2008 - May 9, 2008

Conference location:San Jose, CA, United states

Conference code:73386

Publisher:Institute of Electrical and Electronics Engineers Inc., 445 Hoes Lane / P.O. Box 1331, Piscataway, NJ 08855-1331, United States

Abstract:PMMA-based MOF with 547 air holes was fabricated by extruding and stretching of an big-size preform with hole diameter of 1.5 mm and hole spacing of 1.9 mm. The high image resolution was demonstrated. &copy; 2008 Optical Society of America.

Number of references:4

Main heading:Electron optics

Controlled terms:ABS resins - Image resolution - Quantum electronics

Uncontrolled terms:Air holes - Electro-optics - Laser science

Classification code:931.4 Quantum Theory; Quantum Mechanics - 931.3 Atomic and Molecular Physics - 815.1.1 Organic Polymers - 744 Lasers - 742 Cameras and Photography - 741 Light, Optics and Optical Devices - 723.2 Data Processing and Image Processing - 716.4 Television Systems and Equipment - 701.1 Electricity: Basic Concepts and Phenomena

DOI:10.1109/QELS.2008.4552676

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 161>

 

Accession number:20083611520801

Title:Actively Q-switched Yb³⁺-doped all fiber ring laser

Authors:Gao, Cunxiao (0); Zhao, Wei (0); Wang, Yishan (0); Zhu, Shaolan (0)

Corresponding author:Gao, C.(cxgao@opt.ac.cn)

Corr. author affiliation:State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Acad. of Sci., Xi'an 710119, China

Source title:Zhongguo Jiguang/Chinese Journal of Lasers

Abbreviated source title:Zhongguo Jiguang

Volume:35

Issue:5

Issue date:May 2008

Publication year:2008

Pages:651-654

Language:Chinese

ISSN:02587025

CODEN:ZHJIDO

Document type:Journal article (JA)

Publisher:Science Press, Beijing, 100085, China

Abstract:An all-fiber Q-switched Yb³⁺-doped fiber ring laser pumped with a 976 nm laser diode (LD), which uses a fiber-pigtailed acousto-optic modulator (AOM) as the active Q-switching element, was reported. The stable pulse can be obtained when the modulation frequency was adjusted from 200 Hz to 60.9 kHz. The laser pulse with maximum peak power of 2.7 W, pulse width of 53.2 ns and pulse energy of 145.5 nJ is obtained, when the pumping power is 183 mW and the modulation frequency is 500.2 Hz. The alternate ouptut of high and low energy pulse is observed with the shorter Q-switched turnoff time, and it is explained by the principle of the Q-switched laser. The characteristics of pulse versus modulation frequency and pump power are investigated, and the theoretical calculation is in good agreement with the experimental result.

Number of references:11

DOI:10.3788/CJL20083505.0651

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 162>

 

Accession number:20084711722146

Title:Passively harmonic mode-locked erbium-doped fiber soliton laser with a nonlinear polarization rotation

Authors:Liu, X.M. (1); Wang, T. (1); Shu, C. (2); Wang, L.R. (1); Lin, A. (1); Lu, K.Q. (1); Zhang, T.Y. (1); Zhao, W. (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Department of Electronic Engineering, Center for Advanced Research in Photonics, Chinese University of Hong Kong, Shatin, N. T, Hong Kong, Hong Kong

Corresponding author:Liu, X. M.(XMLiu@ntu.edu.sg)

Source title:Laser Physics

Abbreviated source title:Laser Phys.

Volume:18

Issue:11

Issue date:November 2008

Publication year:2008

Pages:1357-1361

Language:English

ISSN:1054660X

E-ISSN:15556611

Document type:Journal article (JA)

Publisher:Maik Nauka-Interperiodica Publishing, Profsoyuznaya Ul 90, Moscow, 117997, Russia

Abstract:Based on the nonlinear polarization rotation technique, we report on a stable passive 23rd harmonic mode-locked erbium-doped fiber soliton laser for the first time to the best of our knowledge. In this laser, 23 solitons are uniformly distributed in the cavity simultaneously, and all solitons have the same energy and duration. The increase of the coupler output enhances the dispersive radiation, and the longer cavity strengthens the interaction between solitons and dispersive waves. The two above factors play the key function to generate the 23rd harmonic mode-locked operation. &copy; 2008 Pleiades Publishing, Ltd.

Number of references:13

Main heading:Solitons

Controlled terms:Erbium - Harmonic analysis - Lasers - Optical waveguides - Polarization - Rotation - Sugar (sucrose)

Uncontrolled terms:A stables - Dispersive waves - Erbium-doped - Harmonic modes - Nonlinear polarization rotations - Soliton lasers - Uniformly distributed

Classification code:931.3 Atomic and Molecular Physics - 741.3 Optical Devices and Systems - 744.1 Lasers, General - 822.3 Food Products - 921.1 Algebra - 921.6 Numerical Methods - 931.1 Mechanics - 741.1 Light/Optics - 714.3 Waveguides - 711.1 Electromagnetic Waves in Different Media - 701.1 Electricity: Basic Concepts and Phenomena - 601.1 Mechanical Devices - 547.2 Rare Earth Metals - 717.2 Optical Communication Equipment

DOI:10.1134/S1054660X08110285

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 163>

 

Accession number:20082811371565

Title:Foundation of femtosecond laser pump-probe thermoreflectance system

Authors:Zhu, Jie (1); Tang, Da-Wei (1); Cheng, Guang-Hua (3); Han, Peng (1); Zhao, Wei (3); Zhang, Xing (4)

Author affiliation:(1) Institute of Engineering Thermophysics, Chinese Acad. of Sci., Beijing 100190, China; (2) Graduate University, Chinese Acad. of Sci., Beijing 100049, China; (3) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Acad. of Sci., Xi'an 710119, China; (4) School of Aerospace, Tsinghua University, Beijing 100084, China

Corresponding author:Zhu, J.

Source title:Kung Cheng Je Wu Li Hsueh Pao/Journal of Engineering Thermophysics

Abbreviated source title:Kung Cheng Je Wu Li Hsueh Pao

Volume:29

Issue:7

Issue date:July 2008

Publication year:2008

Pages:1227-1230

Language:Chinese

ISSN:0253231X

CODEN:KCJPDF

Document type:Journal article (JA)

Publisher:Science Press, 18,Shuangqing Street,Haidian, Beijing, 100085, China

Abstract:Femtosecond laser pump-probe thermoreflectance system was founded and used to investigate energy deposition and transport during the early period of ultra-short pulse laser heating of 50-nm-thick golden film. The laser pulse duration is 140 fs and the heating energy density of one pulse is only 5&times;10^-3 mJ/cm². As the maximal electron temperature change is less than 10 K, the imprecision of measurement, caused by varying parameters with temperature, effectively reduces. The experiment results were given, and the influencing factors were discussed.

Number of references:9

Main heading:Pulsed laser applications

Controlled terms:Heating - Laser beams - Laser heating - Lasers - Pulsed laser deposition - Pumping (laser) - Pumps - Ultrashort pulses

Uncontrolled terms:energy depositions - Femtosecond laser pump - Heating energy - Laser pulse durations - Ultra-short pulse laser

Classification code:618.2 Pumps - 643.1 Space Heating - 744.1 Lasers, General - 744.8 Laser Beam Interactions - 744.9 Laser Applications

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 164>

 

Accession number:20090711906874

Title:Synthesis and optical properties of novel neodymium 2, 9-dimethyl-1, 10-phenanthroline complex

Authors:She, Jiang-Bo (1); Gao, Chao (1); Hou, Chao-Qi (1); Guo, Hai-Tao (1); Gao, Fei (1); Wei, Wei (3); Peng, Bo (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Graduate University, Chinese Academy of Sciences, Beijing 100039, China; (3) State Key Laboratory for Advanced Photonic Materials and Devices, Fudan University, Shanghai 200433, China

Corresponding author:She, J.-B.(shejb@opt.ac.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:SUPPL.

Issue date:November 2008

Publication year:2008

Pages:142-144

Language:English

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:A novel neodymium hepafluorobutyrate complex, Nd(C<inf>3</inf>F<inf>7</inf>COO)<inf>3</inf>&middotDMPhen (DMPhen: 2, 9-Dimethyl-1, 10-phenanthroline), was synthesized and characterized by UV-Vis-NIR absorption and PL spectra. Optical spectra exhibit the complex possesses typical Nd(III) ion absorption and photoluminescence emission. From the UV-Vis-NIR absorption and luminescence spectra, the Judd-Ofelt parameters (&Omega;<inf>2</inf>, &Omega;<inf>4</inf> and &Omega;<inf>6</inf>) of the Nd(C<inf>3</inf>F<inf>7</inf>COO)<inf>3</inf>&middotDMPhen in DMSO were obtained. The stimulated emission cross-section of the emission band at 1.057 &mu;m is 2.6&times;10^-20 cm², which is higher than that of other Nd(III) complex doped organic systems and even.

Number of references:9

Main heading:Liquid lasers

Controlled terms:Absorption - Conductive plastics - Dimethyl sulfoxide - Emission spectroscopy - Infrared devices - Light emission - Luminescence - Neodymium - Neodymium lasers - Optical properties  - Synthesis (chemical)

Uncontrolled terms:2, 9-Dimethyl-1, 10-phenanthroline - Emission bands - Emission cross sections - Ion absorptions - Judd-Ofelt parameters - Liquid lasers materials - Luminescence spectrum - Luminescent property - Neodymium hepafluorobutyrate - Optical spectrum  - Organic systems - PL spectrum - UV-Vis-NIR absorptions

Classification code:931.3 Atomic and Molecular Physics - 802.2 Chemical Reactions - 802.3 Chemical Operations - 803 Chemical Agents and Basic Industrial Chemicals - 804.1 Organic Compounds - 817.1 Polymer Products - 931.2 Physical Properties of Gases, Liquids and Solids - 801 Chemistry - 744.3 Liquid Lasers - 741.3 Optical Devices and Systems - 741.1 Light/Optics - 708.2 Conducting Materials - 547.2 Rare Earth Metals - 744.4 Solid State Lasers

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 165>

 

Accession number:20083911587630

Title:Multi-targets attitude recognition method based on hough and improved radon transform

Authors:Xiuqin, Su (1); Tao, Lu (2); Jinfeng, Liang (2)

Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Science, Xi'an 710119; (2) Graduate College, Chinese Academy of Science, Beijing 100039

Corresponding author:Xiuqin, S.(xqsu@opt.ac.cn)

Source title:ICALIP 2008 - 2008 International Conference on Audio, Language and Image Processing, Proceedings

Abbreviated source title:ICALIP - Int. Conf. Audio, Lang. Image Process., Proc.

Monograph title:ICALIP 2008 - 2008 International Conference on Audio, Language and Image Processing, Proceedings

Issue date:2008

Publication year:2008

Pages:344-350

Article number:4590087

Language:English

ISBN-13:9781424417230

Document type:Conference article (CA)

Conference name:ICALIP 2008 - 2008 International Conference on Audio, Language and Image Processing

Conference date:July 7, 2008 - July 9, 2008

Conference location:Shanghai, China

Conference code:73602

Publisher:Inst. of Elec. and Elec. Eng. Computer Society, 445 Hoes Lane - P.O.Box 1331, Piscataway, NJ 08855-1331, United States

Abstract:Traditional Hough transform can not locate the accurate position of line segments. It is too complex in practical liner target detection based on improved Radon. Both transforms is used associated in this paper in order to recognize the attitude of multi-targets as line segments accurately with an acceptable complexity in calculation. A new method called fast approaching algorithm using changing pace nonius length is also presented to determine the scale of targets quickly. Self-adaptive precision is also used in the processing. &copy; 2008 IEEE.

Number of references:6

Main heading:Targets

Controlled terms:Chlorine compounds - Digital image storage - Hough transforms - Image processing - Imaging systems - Imaging techniques - Linguistics - Mathematical transformations - Optical data processing - Radon

Uncontrolled terms:International conferences - Line segments - Radon transform - Recognition methods - Self-adaptive - Target detections

Classification code:932.1.1 Particle Accelerators - 921.3 Mathematical Transformations - 903.2 Information Dissemination - 804.1 Organic Compounds - 746 Imaging Techniques - 741 Light, Optics and Optical Devices - 723.2 Data Processing and Image Processing - 722.1 Data Storage, Equipment and Techniques - 622.1 Radioactive Materials, General

DOI:10.1109/ICALIP.2008.4590087

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 166>

 

Accession number:20083411470952

Title:Inscription high-fringe visibility Fabry-Perot etalon in fiber with a high numerical aperture objective and femtosecond laser

Authors:Li, M. (1); Cheng, G. (1); Zhao, W. (1); Fan, W. (1); Wang, Y. (1); Chen, G. (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China

Corresponding author:Li, M.(lmsgzhx@126.com)

Source title:Laser Physics

Abbreviated source title:Laser Phys.

Volume:18

Issue:8

Issue date:August 2008

Publication year:2008

Pages:988-991

Language:English

ISSN:1054660X

E-ISSN:15556611

Document type:Journal article (JA)

Publisher:Maik Nauka-Interperiodica Publishing, Profsoyuznaya Ul 90, Moscow, 117997, Russia

Abstract:In this paper, a femtosecond laser micromachining system to fabricate a microfiber Fabry-Perot (F-P) cavity, and a real-time system to monitor interferometric intensity of F-P cavity have been developed. The relationships of fringe visibility of an F-P cavity on parallelism and surface roughness are analyzed and discussed. In order to eliminate the slope of the cutting section coming from the focusing optics, precompensation and double machining are introduced. The fringe visibility of a F-P interferometric sensor which exceeds 15 dB has been realized. &copy; 2008 Pleiades Publishing, Ltd.

Number of references:17

Main heading:Optical properties

Controlled terms:Cavity resonators - Fabry-Perot interferometers - Fiber optics - Geodetic satellites - Interferometry - Lasers - Machining - Micromachining - Pulsed laser applications - Real time systems  - Surface roughness - Ultrashort pulses - Visibility

Uncontrolled terms:F-P cavities - Fabry-Perot cavity - Fabry-Perot etalon - Femto-second laser - Femtosecond laser micro-machining - Focusing optics - Fringe visibilities - High numerical aperture objective - Interferometric sensors - Micro fibers

Classification code:941.3 Optical Instruments - 931.2 Physical Properties of Gases, Liquids and Solids - 744.9 Laser Applications - 744.1 Lasers, General - 741.2 Vision - 941.4 Optical Variables Measurements - 741.1.2 Fiber Optics - 722.4 Digital Computers and Systems - 714.1 Electron Tubes - 604.2 Machining Operations - 405.3 Surveying - 741.1 Light/Optics

DOI:10.1134/S1054660X08080136

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 167>

 

Accession number:20084711720406

Title:One-dimensional waveguides induced by photovoltaic dark spatial solitons of partially spatially incoherent light

Authors:Zhang, Mei-Zhi (1); Lu, Ke-Qing (1); Cheng, Guang-Hua (1); Zhang, Lei (1); Kang, Yi-Fan (3); Zhang, Yan-Peng (4)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Graduate University, Chinese Academy of Sciences, Beijing 100039, China; (3) Department of Physics, Northwest University, Xi'an 710069, China; (4) Department of Electronic Science and Technology, Xi'an Jiaotong University, Xi'an 710049, China

Corresponding author:Zhang, M.-Z.(meizhi_zhang@126.com)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:10

Issue date:October 2008

Publication year:2008

Pages:1942-1946

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:In LiNbO<inf>3</inf>:Fe photorefractive crystal, one-dimensional photovoltaic dark solitons with partially spatially incoherent light beam was observed; and with these solitons, one-dimensional waveguides in the crystal was gotten. Photovoltaic dark solitons resulted from bulk photovoltaic effect when diffraction was exactly balanced by photorefractive self-defocusing. The solitons formation depended on the direction of light beam propagation and the orientation of the beam intensity gradient, with respect to the principal axes of the crystal. In one-dimensional case, the incoherent photovoltaic solitons induced single planar waveguides, which could guide coherent light beam. This experiment proves that the possibility of controlling and switching high-power laser beams with low-power incoherent light sources.

Number of references:23

Main heading:Crystal orientation

Controlled terms:Light - Light sources - Lighting - Nonlinear optics - Optical properties - Photoreactivity - Photorefractive crystals - Photorefractive materials - Photovoltaic effects - Powders  - Solitons - Waveguides

Uncontrolled terms:Beam intensities - Coherent light beams - Dark spatial solitons - Defocusing - High powers - Incoherent lights - Light beam propagations - Low powers - Partially spatially incoherent - Photorefractive effect  - Photovoltaic dark solitons - Photovoltaic solitons - Principal axes

Classification code:741.1.1 Nonlinear Optics - 741.3 Optical Devices and Systems - 744 Lasers - 804 Chemical Products Generally - 921.1 Algebra - 931.3 Atomic and Molecular Physics - 933.1.1 Crystal Lattice - 741.1 Light/Optics - 536 Powder Metallurgy - 701.1 Electricity: Basic Concepts and Phenomena - 707 Illuminating Engineering - 707.2 Electric Lamps - 712.1 Semiconducting Materials - 714.2 Semiconductor Devices and Integrated Circuits - 714.3 Waveguides

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 168>

 

Accession number:20084811734856

Title:Absorptive reduction and width narrowing in &lambda;-type atoms confined between two dielectric walls

Authors:Li, Yuan-Yuan (1); Hou, Xun (1); Bai, Jin-Tao (1); Yan, Jun-Feng (1); Gan, Chen-Li (3); Zhang, Yan-Peng (3)

Author affiliation:(1) Institute of Photonics and Photonic Technology, Key Laboratory of Photoelectronic Technology of Shaanxi Province, Northwest University, Xi'an 710069, China; (2) State Key Laboratory of Transient Optics and Technology, Xi'An Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China; (3) Key Laboratory for Physical Electronics and Devices, Ministry of Education, Xi'an Jiaotong University, Xi'an 710049, China

Corresponding author:Li, Y.-Y.(liyynxcn@yahoo.com.cn)

Source title:Chinese Physics B

Abbreviated source title:Chin. Phys.

Volume:17

Issue:8

Issue date:August 1, 2008

Publication year:2008

Pages:2885-2889

Language:English

ISSN:16741056

Document type:Journal article (JA)

Publisher:Institute of Physics Publishing, Temple Back, Bristol, BS1 6BE, United Kingdom

Abstract:This paper investigates the absorptive reduction and the width narrowing of electromagnetically induced transparency (EIT) in a thin vapour film of &lambda;-type atoms confined between two dielectric walls whose thickness is comparable with the wavelength of the probe field. The absorptive lines of the weak probe field exhibit strong reductions and very narrow EIT dips, which mainly results from the velocity slow-down effects and transient behaviour of atoms in a confined system. It is also shown that the lines are modified by the strength of the coupling field and the ratio of L/&lambda;, with L the film thickness and &lambda; the wavelength of the probe field. A simple robust recipe for EIT in a thin medium is achievable in experiment. &copy; 2008 Chin. Phys. Soc. and IOP Publishing Ltd.

Number of references:22

Main heading:Quantum optics

Controlled terms:Atomic physics - Atoms - Diagnostic radiography - Electric impedance - Electric impedance tomography - Medical imaging - Optical properties - Transparency

Uncontrolled terms:Absorptive reduction - Confined systems - Coupling fields - Dielectric walls - Electromagnetically induced transparencies - Electromagnetically induced transparency - Probe fields - Width narrowing

Classification code:931.4 Quantum Theory; Quantum Mechanics - 931.3 Atomic and Molecular Physics - 931.2 Physical Properties of Gases, Liquids and Solids - 746 Imaging Techniques - 741.1 Light/Optics - 741 Light, Optics and Optical Devices - 723.5 Computer Applications - 723.2 Data Processing and Image Processing - 701.1 Electricity: Basic Concepts and Phenomena - 461.7 Health Care - 461.1 Biomedical Engineering

DOI:10.1088/1674-1056/17/8/022

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 169>

 

Accession number:20082011256207

Title:Fourier transform imaging spectral data compression

Authors:Lu, Qun-Bo (1); Yuan, Yan (2); Xiangli, Bin (1)

Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Beihang University, Beijing 100083, China; (3) Graduate University, Chinese Academy of Sciences, Beijing 100039, China

Corresponding author:Lu, Q.-B.(xiopm@126.com)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:3

Issue date:March 2008

Publication year:2008

Pages:573-576

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:Large amount of data acquired by Fourier Transform Imaging Spectrometer (FTIS) needs to be compressed during transferring. Almost all methods show low efficiency in FTIS data compression. According to analyzing relationship between the high/low recovery spectrum and optical path difference, a Spectral Interpolating Prediction and Quantization Coding (SIP and QC) method is proposed. The 5:1 compression rate is acquired with the Relative Spectral Quadratic Error (RQE) less than 1%.

Number of references:6

Main heading:Data compression

Controlled terms:Fourier transforms - Imaging techniques - Spectrometers

Uncontrolled terms:Fourier transform imaging spectrometer (FTIS) - Optical path difference - Relative spectral quadratic error

Classification code:723.2 Data Processing and Image Processing - 741 Light, Optics and Optical Devices - 746 Imaging Techniques - 921.3 Mathematical Transformations - 941.3 Optical Instruments

Treatment:Experimental (EXP)

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 170>

 

Accession number:20083611520666

Title:Experiment of coherence-locking of two photonic crystal fiber lasers

Authors:Li, Jianfeng (1); Duan, Kailiang (1); Wang, Jianming (1); Wang, Yishan (1); Zhao, Wei (1); Guo, Yongkang (2)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Institute of Nano Optics, College of Physics Science and Technology, Sichuan University, Chengdu 610064, China

Corresponding author:Li, J.(lijianfeng3000@sina.com.cn)

Source title:Guangxue Xuebao/Acta Optica Sinica

Abbreviated source title:Guangxue Xuebao

Volume:28

Issue:5

Issue date:May 2008

Publication year:2008

Pages:923-926

Language:Chinese

ISSN:02532239

CODEN:GUXUDC

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:Beam coherent combination of two photonic crystal fiber (PCF) lasers is experimentally studied by using self-imaging resonator technique, and phase-locking of the two PCF lasers is achieved. Clear and stable interference strips are observed even without a filter in high-power operation and in environmental noise condition. The advantages of PCF laser in coherent combination over the conventional double-cladding fiber (DCF) are demonstrated. Experiments also show that the reflectivity of coupling output mirror affects coherent output power. The slope efficiencies of two PCF lasers running in in-phase mode are 63.8%, 61.6% and 60.2% for the reflectivity 5%, 10% and 15% of the reflector, respectively. The maximum coherent output power of 95.8W and the combination efficiency of 90.2% are obtained when the pump power is 150 W for the reflectivity of 5%. No thermo-optical problems occur during the experiments, which means that a higher coherent power can be further achieved by using this technique.

Number of references:15

Main heading:Fiber lasers

Controlled terms:Crystal atomic structure - Crystal whiskers - Electromagnetic waves - Experiments - Laser cladding - Laser pulses - Lasers - Photonic crystals - Powders - Reflection

Uncontrolled terms:Coherent combination - High-power fiber laser - Laser technology - Phase-locking - Photonic crystal fiber - Self-imaging resonator

Classification code:744.9 Laser Applications - 801.4 Physical Chemistry - 804 Chemical Products Generally - 933.1.1 Crystal Lattice - 813.1 Coating Techniques - 931.3 Atomic and Molecular Physics - 933.1 Crystalline Solids - 901.3 Engineering Research - 744.4 Solid State Lasers - 744.1 Lasers, General - 531.2 Metallography - 536 Powder Metallurgy - 711 Electromagnetic Waves - 741.1 Light/Optics - 741.1.2 Fiber Optics - 741.3 Optical Devices and Systems

DOI:10.3788/AOS20082805.0923

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 171>

 

Accession number:20081811232143

Title:Design and analysis on shutter driver of big area array digital camera

Authors:Lu, Di (0); Ruan, Ping (0); Chen, Liang-Yi (0)

Corresponding author:Lu, D.(ludi@opt.ac.cn)

Corr. author affiliation:Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China

Source title:Guangxue Jishu/Optical Technique

Abbreviated source title:Guangxue Jishu

Volume:34

Issue:2

Issue date:March 2008

Publication year:2008

Pages:186-188+193

Language:Chinese

ISSN:10021582

CODEN:GJISEP

Document type:Journal article (JA)

Publisher:Optical Technique, Beijing, China

Abstract:A shutter driver with complete electric control is designed to be used in a big area array digital camera. The leader driver tightens curtain shutter, lever driver releases shutter. The leader driver is calculated. And the issues appeared in debugging are analyzed and improved.

Number of references:5

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 172>

 

Accession number:20090111830208

Title:Imaging equations for toroidal gratings using lie transformations

Authors:Wang, Jie-Wei (1); Wu, Wei (1); He, Zheng-Quan (2); Lu, Li-Jun (3)

Author affiliation:(1) College of Sciences, Shanghai University, Shanghai 200444, China; (2) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (3) School of Mechatronics Engineering and Automation, Shanghai University, Shanghai 200444, China

Corresponding author:Wang, J.-W.(jerrywang@graduate.shu.edu.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:11

Issue date:November 2008

Publication year:2008

Pages:2250-2252

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:The Lie method to characterize imaging of a toroidal grating was presented. A brief introduction of Lie method was given. There are the five transformations to describe the imaging processes of a toroidal grating. The formulae for calculation of the coordinate and direction of light ray were obtained with the above Lie transformation, and its numerical results were compared with those by raytracing program of Shadow. An advantage of the Lie theory of optical imaging was that the pupil (aperture) coordinates did not appear in the Lie theory. The phase space variables x and y in the Lie theory provided for the extent of the object. The image equations show that the direction relationship between variables of the object space coordinate system and those of the image space coordinate system.

Number of references:5

Main heading:Light

Controlled terms:Coordinate measuring machines - Phase space methods

Uncontrolled terms:Image spaces - Imaging - Imaging equations - Imaging processes - Lie methods - Lie optics - Lie theories - Lie transformations - Light rays - Numerical results  - Object spaces - Optical imaging - Phase spaces - Theory - Toroidal grating

Classification code:741.1 Light/Optics - 921 Mathematics - 943.3 Special Purpose Instruments

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 173>

 

Accession number:20114614512541

Title:Polarization multiplexing holographic optical recording of a new photochromic diarylethene

Authors:Pu, Shouzhi (1); Yao, Baoli (2); Liu, Gang (1); Wang, Yingli (2)

Author affiliation:(1) Jiangxi Science and Technology Normal University, Jiangxi Key Lab of Organic Chemistry, Nanchang 330013, China; (2) Chinese Academy of Sciences, Xi'An Institute of Optics and Precision Mechanics, State Key Laboratory of Transient Optics and Photonics, Xi'an 710119, China

Corresponding author:Pu, S.(pushouzhi@tsinghua.org.cn)

Source title:Optical Engineering

Abbreviated source title:Opt Eng

Volume:47

Issue:3

Issue date:2008

Publication year:2008

Article number:030502

Language:English

ISSN:00913286

E-ISSN:15602303

CODEN:OPEGAR

Document type:Journal article (JA)

Publisher:SPIE, P.O. Box 10, Bellingham, WA 98227-0010, United States

Abstract:A new unsymmetrical photochromic diarylethene 1a is synthesized, and the photochromic properties of it are also investigated. The compound exhibits good photochromism with UV/visible light irradiation. Compound 1a in polymethyl methacrylate (PMMA) film changes color upon 313-nm light irradiation from colorless to blue, in which the absorption maximum is observed at 587nm. Photon-mode polarization multiplexing holographic optical recording is performed successfully using this compound as a recording medium. In the diarylethene 1b/PMMA film, polarization multiplexing hologram recording and retrieval, and a combination with the angular multiplexing scheme, are demonstrated systematically. The results indicate that recording capacity can be significantly improved with the combined method of polarization and angular multiplexing holographic recording. &copy; 2008 Society of Photo-Optical Instrumentation Engineers.

Number of references:18

Main heading:Optical recording

Controlled terms:Irradiation - Materials properties - Multiplexing - Optical disk storage - Photochromism - Polarization

Uncontrolled terms:Absorption maxima - Angular multiplexing - Combined method - Diarylethenes - Hologram recording - Holographic recordings - Light irradiations - Photochemical technology - Photochromic properties - Polarization multiplexing  - polarization multiplexing holographic recording - Recording medium

Classification code:741.3 Optical Devices and Systems - 741.1 Light/Optics - 718 Telephone Systems and Related Technologies; Line Communications - 717 Optical Communication - 716 Telecommunication; Radar, Radio and Television - 423 Non Mechanical Properties and Tests of Building Materials - 421 Strength of Building Materials; Mechanical Properties

DOI:10.1117/1.2890426

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 174>

 

Accession number:20081911244497

Title:An unsupervised color image segmentation algorithm based on context information

Authors:Guo, Lei (1); Hou, Yi-Min (1); Lun, Xiang-Min (2)

Author affiliation:(1) School of Automation, Northwestern Polytechnical University, Xi'an 710072, China; (2) Space Optical Technology Research Center, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China

Corresponding author:Guo, L.(lguo@nwpu.edu.cn)

Source title:Moshi Shibie yu Rengong Zhineng/Pattern Recognition and Artificial Intelligence

Abbreviated source title:Moshi Shibie yu Rengong Zhineng

Volume:21

Issue:1

Issue date:February 2008

Publication year:2008

Pages:82-87

Language:Chinese

ISSN:10036059

CODEN:MRZHET

Document type:Journal article (JA)

Publisher:Journal Of Pattern Recognition and Artificial Intelligence, P.O. Box 1130, Hefei, 230031, China

Abstract:An unsupervised color image segmentation method based on image context information is proposed. According to the traditional markov random field (MRF) potential function, the method involves intensity Euclidean distance and spatial position information of pixels in the neighborhood of the image. Therefore, the traditional potential function of MRF segmentation method is improved. The segmentation is transformed into the problem of maximum a posteriori (MAP) which is solved by the iterative conditional model. And K-means is used to initialize the classification in the range of the specified classification numbers. The optimal class number is chosen according to the minimum message length (MML) criterion to complete an unsupervised segmentation. In the experiments, synthetic and real images are employed in segmentation procedure. Compared with other methods, the proposed algorithm is proved to be more effective.

Number of references:10

Main heading:Image segmentation

Controlled terms:Algorithms - Color image processing - Functions - Image analysis - Pixels

Uncontrolled terms:Color image - Context information - Euclidean distance - Markov random field (MRF) - Maximum a posteriori (MAP) - Minimum message length (MML) - Potential function - Spatial position - Unsupervised segmentation

Classification code:723.2 Data Processing and Image Processing - 723.5 Computer Applications - 921 Mathematics

Treatment:Theoretical (THR); Experimental (EXP)

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 175>

 

Accession number:20084311658155

Title:Research on direct draw of big-size microstructured polymer optical fibre preform using three-step heating system

Authors:Yang, Sheng (1); Wang, Li-Li (1); Yan, Wei (2); Yang, Xing-Hua (1); Kang, Li-Jun (2)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Department of Environmental Engineering, School of Energy and Power Engineering, Xi'an Jiaotong University, Xi'an 710049, China

Corresponding author:Yang, S.

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:9

Issue date:September 2008

Publication year:2008

Pages:1861-1864

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:One step drawing process of big-size microstructured polymer optical fibre perform was performed using self-designed special MPOF drawing tower designed with three-step heating system, and the temperature could be strictly controlled with the precision of &plusmn;2&deg;C. High quality MPOF with outer diameter of 310 &mu;m was obtained under the stabile and harmonious drawing speed and feeding speed. The standard deviation of diameter was &plusmn;20 &mu;m.

Number of references:17

Main heading:Polymers

Controlled terms:ABS resins - Fiber optic sensors - Fibers - Forming - Heating - Heating equipment - Optical fibers - Optical materials - Preforming - Speed

Uncontrolled terms:Big-size preform - Directly drawing - Drawing processes - Drawing speeds - Feeding speeds - Heating systems - High qualities - Microstructured polymer fibre - One steps - Outer diameters  - Polymer optical fibres - Standard deviations - Three-step heating

Classification code:741.3 Optical Devices and Systems - 812 Ceramics, Refractories and Glass - 815.1 Polymeric Materials - 931.1 Mechanics - 815.1.1 Organic Polymers - 817 Plastics and Other Polymers: Products and Applications - 819.4 Fiber Products - 816.1 Processing of Plastics and Other Polymers - 741.1.2 Fiber Optics - 732.2 Control Instrumentation - 535.2 Metal Forming - 535.2.2 Metal Forming Practice - 642.1 Process Heating - 642.2 Industrial Furnaces and Components - 643.1 Space Heating - 643.2 Space Heating Equipment and Components

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 176>

 

Accession number:20081811232068

Title:TDI CCD drivers with simultaneously tunable integration time and series

Authors:Huang, Mei-Ling (0); Zhang, Bo-Heng (0); Bian, Chuan-Ping (0); Li, Lu-Yao (0)

Corresponding author:Huang, M.-L.(hmeiling@opt.ac.cn)

Corr. author affiliation:Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China

Source title:Bandaoti Guangdian/Semiconductor Optoelectronics

Abbreviated source title:Bandaoti Guangdian

Volume:29

Issue:1

Issue date:February 2008

Publication year:2008

Pages:117-119

Language:Chinese

ISSN:10015868

CODEN:BAGUE5

Document type:Journal article (JA)

Publisher:China National Publishing Industry Trading Corporation, Beijing, 100011, China

Abstract:Based on the analyse of its driving schedules in detail, the driving schedule generator with simultaneously tunable integration time and series is designed for time delay and integration charge coupled device (TDI CCD) camera. As a load of satellite, TDI CCD camera can select different integration time and series to improve sensitivity and SNR, according to different illumination and exploration resolution requirements. Field programmable gates array (FPGA) has been chosen as the hardware design platform, then the driving schedule generator has been described with VHDL. The designed generator has been successfully simulated with Quartus II software. Experiments show that designed generator is suitable for the driving requirements of high resolutution TDI CCD cameras.

Number of references:5

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 177>

 

Accession number:20090111830363

Title:Theoretical study on spatial property of parametric fluorescence in a type I BBO crystal

Authors:Wang, Hong-Ying (1); Liu, Hong-Jun (2); Zhao, Wei (2); Li, Yuan-Yuan (1); Niu, Jian-Jun (1)

Author affiliation:(1) Physics Department, Xi'an University of Arts and Science, Xi'an 710065, China; (2) State Key Laboratory of Transient Optics and Photonics Technology, Xi'an Institute of Optics and Precision Mechanics, Chinese Acad. of Sci., Xi'an 710119, China

Corresponding author:Wang, H.-Y.(why@opt.ac.cn)

Source title:Qiangjiguang Yu Lizishu/High Power Laser and Particle Beams

Abbreviated source title:Qiangjiguang Yu Lizishu

Volume:20

Issue:11

Issue date:November 2008

Publication year:2008

Pages:1783-1786

Language:Chinese

ISSN:10014322

CODEN:QYLIEL

Document type:Journal article (JA)

Publisher:Editorial Office of High Power Laser and Particle Beams, P.O. Box 919-805, Mianyang, 621900, China

Abstract:Using the amplification transfer function of type I BBO crystal, the theoretical study of spatial properties of the optical parametric fluorescence generated by homochromatic signal and polychromatic signal in optical parametric amplification is investigated. The numerical simulation results demonstrate that when the homochromatic signal is injected into optical parametric amplifier, the fluorescence signal is first emitted in a cone and then in a ring while centering on the pump wave direction. For the amplification of the polychromatic signal pulse, the spectrum of the fluorescence is over a wide wavelength range under a special phase matching angle. The result provides a theoretical reference for controlling the generation of the optical parametric fluorescence and quantum entanglement states, which is referable for the development of quantum imaging, quantum communication and other fields.

Number of references:17

Main heading:Amplification

Controlled terms:Fluorescence - Functions - Light amplifiers - Mathematical models - Microwave amplifiers - Optical communication - Parametric amplifiers - Parametric devices - Pulsed laser applications - Ultrashort pulses

Uncontrolled terms:BBO crystal - Femtosecond laser - Optical parametric amplification - Optical parametric fluorescence - Spatial propergy

Classification code:921 Mathematics - 744.9 Laser Applications - 744.1 Lasers, General - 741.3 Optical Devices and Systems - 741.1 Light/Optics - 717.1 Optical Communication Systems - 714.2 Semiconductor Devices and Integrated Circuits - 714 Electronic Components and Tubes - 713.1 Amplifiers

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 178>

 

Accession number:20080711092660

Title:Micromachining of an in-fiber extrinsic fabry-perot interfereometric (MEFPI) sensor by using a femtosecond laser

Authors:Rao, Yun Jiang (1); Deng, Ming (1); Zhu, Tao (1); Tang, Qing Tao (1); Cheng, Guang Hua (3)

Author affiliation:(1) Key Lab. of Optoelectronic Technology and Systems, Chongqing University, Chongqing 400044, China; (2) Key Lab. of Broadband Optical Fiber Transmission and Communication Networks Technologies, University of Electronic Science and Technology of China, Chengdu, Sichuan 610054, China; (3) State Key Lab. of Transient Optics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an, Shanxi, 710068, China

Corresponding author:Rao, Y.J.(yjrao@uestc.edu.cn)

Source title:Key Engineering Materials

Abbreviated source title:Key Eng Mat

Volume:364-366 II

Issue date:2008

Publication year:2008

Pages:1203-1206

Language:English

ISSN:10139826

CODEN:KEMAEY

Document type:Conference article (CA)

Publisher:Trans Tech Publications Ltd, Laubisrutistr.24, Stafa-Zuerich, CH-8712, Switzerland

Abstract:This paper reports a novel micro extrinsic fiber-optic F-P interferometric (MEFPI) sensor micromachined on a conventional optical fiber (Corning SMF-28) by using a near-infrared femtosecond laser, for the first time to the best of our knowledge. The strain and temperature characteristics of such a sensor were investigated and the experimental results show that the strain and temperature sensitivities are 0.006nm/&mu;&Epsilon; and -0.0017nm/&deg;C, respectively. This type of MEFPI sensors has a number of advantages when compared with conventional EFPI sensors, such as easy fabrication, high integration degree, good reliability, low temperature cross-sensitivity, low cost, and capability for mass-production, offering great potential for a wide range of sensing applications.

Number of references:8

Main heading:Ultrashort pulses

Controlled terms:Fabry-Perot interferometers - Micromachining - Optical sensors - Reliability analysis

Uncontrolled terms:Fabry-perot interfereometric (MEFPI) sensor - Laser-micromachining - Sensing applications

Classification code:604.2 Machining Operations - 741.3 Optical Devices and Systems - 744.1 Lasers, General - 913 Production Planning and Control; Manufacturing - 941.3 Optical Instruments

Treatment:Theoretical (THR); Experimental (EXP)

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 179>

 

Accession number:20090611901656

Title:Monte-Carlo simulation of dynamic spatial resolution of picosecond X-ray framing camera with gated microchannel plate

Authors:Zou, Feng (1); Hou, Xun (1); Yang, Wen-Zheng (1); Tian, Jin-Shou (1); Bai, Yong-Lin (1); Liu, Bai-Yu (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) College of Electronic and Information Technology, Xi'an Jiaotong University, Xi'an 710049, China; (3) Graduate University, Chinese Academy of Sciencs, Beijing 100049, China

Corresponding author:Zou, F.(peakzo@163.com)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:12

Issue date:December 2008

Publication year:2008

Pages:2369-2373

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:Monte-Carlo method was used to simulate the whole courses of electronic transportation,collision and secondary emission in a single channel of a picosecond X-ray framing camera with a V-type double MCP structure and by gating a microchannel plate.Influences of some parameters of the framing tube to the dynamic spatial resolution of the camera were qualitatively analyzed demonstrated.The influence of chamfer angle of MCP and the voltage applied on MCP<inf>2</inf> to the dynamic spatial resolution of this type of framing camera were uncoveredwere present. The result of this simulation demonstrates that the dynamic and static resolution of this kind of framing camera are almost the same.

Number of references:11

Main heading:Cameras

Controlled terms:Image resolution - Image storage tubes - Microchannels - Monte Carlo methods - Motion picture cameras - Plates (structural components)

Uncontrolled terms:Dynamic spatial resolution - Framing camera - Micro channel plates - Microchannel Plate - Monte-Carlo method - Monte-carlo simulations - Picosecond - Single channels - X-ray framing cameras

Classification code:942.2 Electric Variables Measurements - 922.2 Mathematical Statistics - 742.2 Photographic Equipment - 742 Cameras and Photography - 741 Light, Optics and Optical Devices - 723.2 Data Processing and Image Processing - 716.4 Television Systems and Equipment - 714.1 Electron Tubes - 631 Fluid Flow - 604 Metal Cutting and Machining - 408.2 Structural Members and Shapes

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 180>

 

Accession number:20081411179994

Title:A new sub-pixel imaging algorithm based on multi-resolution filtering and its real-time realizing technology

Authors:Zhang, Jian (1); Ni, Guo-Qiang (2); Liu, Xin-Ping (3)

Author affiliation:(1) Security Printing Institute, People's Bank of China, Beijing 100070, China; (2) Dept. of Optical Engineering, Beijing Institute of Technology, Beijing 100081, China; (3) Xi'an Institute of Optics and Precision Mechanics, CAS, Xian, China

Corresponding author:Zhang, J.(zj40932@sohu.com)

Source title:Proceedings of SPIE - The International Society for Optical Engineering

Abbreviated source title:Proc SPIE Int Soc Opt Eng

Volume:6833

Monograph title:Electronic Imaging and Multimedia Technology V

Issue date:2008

Publication year:2008

Article number:68330P

Language:English

ISSN:0277786X

CODEN:PSISDG

ISBN-13:9780819470089

Document type:Conference article (CA)

Conference name:Electronic Imaging and Multimedia Technology V

Conference date:November 12, 2007 - November 15, 2007

Conference location:Beijing, China

Conference code:71661

Sponsor:Society of Photo-Optical Instrumentation Engineers (SPIE); Chinese Optical Society (COS)

Publisher:SPIE, P.O. Box 10, Bellingham WA, WA 98227-0010, United States

Abstract:A new sub-pixel interpolation algorithm based on multi-resolution filtering technology is presented in the paper. During the course of the analyzing the algorithm, we theoretically testified the conclusion that the sub pixel imaging technology can improve system image resolution. It can be concluded from the experiment result that the new interpolation algorithm can raise the resolution remarkably. We presented a real-time system based on TI DSP to realize the new algorithm. The sub pixel imaging system is developed with the flexible whole design and modular design so that it has the characteristics of extending, maintainability and easy soft developing.

Number of references:14

Main heading:Image resolution

Controlled terms:Algorithms - Interpolation - Multiresolution analysis - Pixels - Real time systems

Uncontrolled terms:Imaging technology - Sub pixel imaging

Classification code:716.4 Television Systems and Equipment - 722.2 Computer Peripheral Equipment - 723 Computer Software, Data Handling and Applications - 742.2 Photographic Equipment - 921.3 Mathematical Transformations - 921.6 Numerical Methods

Treatment:Theoretical (THR); Experimental (EXP)

DOI:10.1117/12.755937

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 181>

 

Accession number:20084711720415

Title:Design of moisture proofing, salt spray proofing and fungus proofing for photoelectricity theodolite system

Authors:Su, Xiu-Qin (1); Yue, Peng (1); Hao, Wei (1); Zhang, Zhan-Peng (1); Sun, Dong-Yan (1); Li, Gang (1); Zhang, Zhao-Hui (1)

Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanics, CAS, Xi'an 710119, China; (2) Graduate University, Chinese Academy of Sciences, Beijing 100039, China; (3) China Huayin Ordnance Test Center, Huayin 714200, China

Corresponding author:Su, X.-Q.(xqsu@opt.ac.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:10

Issue date:October 2008

Publication year:2008

Pages:1982-1985

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:The three-proofing issue of photoelectricity theodolite equipment used in sea climate environment was studied. Based on practice engineering equipment, the three-proofing design is detailedly introduced in optics, machine and electronics design. It was proved by engineering practice that the design could make the photoelectricity theodolite equipments have excellent three-proofing performance and work steadily in sea climate environment for longer time.

Number of references:5

Main heading:Machine design

Controlled terms:Design - Electric discharges - Moisture - Pesticides - Photoelectricity

Uncontrolled terms:Electronics designs - Engineering equipments - Engineering practices - Photoelectric measure system - Photoelectric transit - Salt spray proofing - Salt sprays - Sea climates

Classification code:902.1 Engineering Graphics - 821.2 Agricultural Chemicals - 803 Chemical Agents and Basic Industrial Chemicals - 801.4 Physical Chemistry - 741.1 Light/Optics - 701.1 Electricity: Basic Concepts and Phenomena - 601 Mechanical Design - 443.1 Atmospheric Properties - 408 Structural Design

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 182>

 

Accession number:20082711351462

Title:A real-time segmentation algorithm for infrared image based on gray scale transform

Authors:Hao, Wei (1); Su, Xiu-Qin (1); Li, Zhe (1)

Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanics, CAS, Xi'an 710119, China; (2) Graduate University, CAS, Beijing 100039, China

Corresponding author:Hao, W.(hwwmacky@163.com)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:5

Issue date:May 2008

Publication year:2008

Pages:1077-1080

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:An real-time segmentation algorithm based on gray scale transform is presented aiming at high gray scale infrared image. By real-time analyzing the gray histogram of several small area in the original image, the segmentation threshold is automatically made sure. Then the original image real-time is transformed to the low gray scale image based on the segmentation threshold. The algorithm can put the high gray scale infrared image to the general display for real-time showing, could effectively restrain the background information and reserve the goal gray information. Because the transformed image is low gray scale and its' background and yawp is low, the performance of the infrared tracker is obviously improved.

Number of references:6

Main heading:Imaging techniques

Controlled terms:Image segmentation - Imaging systems - Infrared imaging - Mathematical transformations

Uncontrolled terms:Background information - Gray histogram - Gray information - Gray scaling - Gray transforming - Gray-scale images - Image based - Infrared image - Original images - Real-time segmentation  - Segmentation threshold

Classification code:723.2 Data Processing and Image Processing - 746 Imaging Techniques - 921.3 Mathematical Transformations

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 183>

 

Accession number:20084211646985

Title:Dual-dressed four-wave mixing and dressed six-wave mixing in a five-level atomic system

Authors:Zuo, Cuicui (1); Du, Yigang (1); Jiang, Tong (1); Nie, Zhiqiang (1); Zhang, Yanpeng (1); Zheng, Huaibin (1); Gan, Chenli (2); Zhang, Weifeng (1); Lu, Keqing (3)

Author affiliation:(1) Key Laboratory for Physical Electronics and Devices, Xi'an Jiaotong University, Xi'an 710049, China; (2) Department of Physics, University of Arkansas, Fayetteville, Arkansas 72701, United States; (3) State Key Laboratory of Transient Optics and Technology, Xi'an Institute of Optics and Precision Mechanics, Chinese Acad. of Sci., Xi'an 710068, China

Corresponding author:Zuo, C.

Source title:Chinese Optics Letters

Abbreviated source title:Chin. Opt. Lett.

Volume:6

Issue:9

Issue date:September 2008

Publication year:2008

Pages:685-688

Language:English

ISSN:16717694

Document type:Journal article (JA)

Publisher:Science Press, 18,Shuangqing Street,Haidian, Beijing, 100085, China

Abstract:We study the co-existing four-wave mixing (FWM) process with two dressing fields and the six-wave mixing (SWM) process with one dressing field in a five-level system with carefully arranged laser beams. We also show two kinds of doubly dressing mechanisms in the FWM process. FWM and SWM signals propagating along the same direction compete with each other. With the properly controlled dressing fields, the FWM signals can be suppressed, while the SWM signals have been enhanced.

Number of references:11

Main heading:Four wave mixing

Controlled terms:Mixing - Storm sewers

Uncontrolled terms:Atomic systems - Co-existing - Six-wave mixing - Wave mixing

Classification code:442.1 Flood Control - 443.3 Precipitation - 452.1 Sewage - 711.1 Electromagnetic Waves in Different Media - 741.1 Light/Optics - 802.3 Chemical Operations

DOI:10.3788/COL20080609.0685

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 184>

 

Accession number:20083511494001

Title:Kind of 30-40 ps cascade gating X-ray framing camera with chevron MCPs

Authors:Bai, Xiao-Hong (1); Bai, Yong-Lin (1); Liu, Bai-Yu (1); Tian, Jin-Shou (1); Yang, Wen-Zheng (1); Zhao, Jun-Ping (1); Ou-Yang, Xian (1); Qin, Jun-Jun (1); Cao, Zhu-Rong (3)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photons Technology, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Graduate University, Chinese Academy of Sciences, Beijing 100039, China; (3) Institute of Nuclear Physics and Chemistry, CAEP, Mianyang 621900, China

Corresponding author:Bai, X.-H.(bxh@opt.ac.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:7

Issue date:July 2008

Publication year:2008

Pages:1351-1355

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:A soft X-ray framing camera with two micro-channel plates was developed. It consists of two MCPs in V-configuration, of which the thickness is 0.5 mm respectively. Two columns of high voltage pulse are used in gating two cascade MCPs. By controlling the pulse delay-time and using the interaction between time effect of electron transition through micro-channel and nonlinear gain, 35 ps exposure time is obtained which is shorter than a single MCP camera's by losing a number of electrons. And the background noise caused by straight X-ray can be reduced.

Number of references:8

Main heading:Cameras

Controlled terms:Image storage tubes - Motion picture cameras

Uncontrolled terms:Background noises - Cascade connection - Exposure time - Framing Camera - Gating mode - High voltage pulse - Inertial Confinement Fusion - Micro channels - Micro-channel plates - Non-linear gain  - Number of electrons - Pulse delay - Soft X-ray - Time effects

Classification code:714.1 Electron Tubes - 742.2 Photographic Equipment

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 185>

 

Accession number:20084311658166

Title:Search algorithm for image serial usefulness target segment based on contrast box

Authors:Huang, Xin-An (1); Liu, Zhao-Hui (1); Jiang, Hai-Jun (1); Liu, Wen (1)

Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Graduate University, Chinese Academy of Sciences, Beijing 100039, China

Corresponding author:Huang, X.-A.(anzai-huang@sohu.com)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:9

Issue date:September 2008

Publication year:2008

Pages:1917-1920

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:A method of image serial search for dim small targets in infrared image based on contrast box is proposed. Stat signal measure of each frame is excerpted to search for avail information segment in infrared image serial. The dealing process of contrast box algorithm and search avail information segment is illustrated. The result of different threshold modulus and different target's image area is analyzed. Stat signal measure of each image is afforded. Experiment result indicates that the algorithm can obtain satisfactory result on execution efficiency and search time.

Number of references:8

Main heading:Targets

Controlled terms:Adaptive filtering - Boolean functions - Imaging systems - Infrared imaging - Learning algorithms

Uncontrolled terms:Contrast box - Dim small targets - Execution efficiencies - Image areas - Infrared dim small targets - Infrared images - Method of images - Search algorithms - Search times - Segment based  - Threshold

Classification code:932.1.1 Particle Accelerators - 921.1 Algebra - 746 Imaging Techniques - 741.3 Optical Devices and Systems - 741 Light, Optics and Optical Devices - 731.1 Control Systems - 723.2 Data Processing and Image Processing - 723 Computer Software, Data Handling and Applications - 721.1 Computer Theory, Includes Formal Logic, Automata Theory, Switching Theory, Programming Theory

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 186>

 

Accession number:20081911244547

Title:An electronic image stabilization method based on feature block matching

Authors:Shi, Lei (1); Su, Xiu-Qin (1); Xiang, Jing-Bo (1)

Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy Sciences, Xi'an 71006, China; (2) Graduate University, Chinese Academy of Sciences, Beijing 100039, China

Corresponding author:Shi, L.(shilei809@163.com)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:1

Issue date:January 2008

Publication year:2008

Pages:202-205

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:An image stabilization method is proposed based on feature block matching, which can search the feature block image adaptively. An fast matching method is presented to get the local motion vector and then verify the matching results. An error propagation control method is developed to prevent the error transmitting. A method based on alterable windows filter is introduced to smooth the motion vector. Experimental results show that this algorithm not only smooth out the image sequences but also satisfy the demand of the real-time system.

Number of references:9

Main heading:Image processing

Controlled terms:Motion compensation - Real time systems

Uncontrolled terms:Electronic image stabilization - Feature block - Feature matching

Classification code:723.2 Data Processing and Image Processing - 741 Light, Optics and Optical Devices

Treatment:Experimental (EXP)

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 187>

 

Accession number:20090711906907

Title:Analysis and design of adaptive optics system's servo-loop

Authors:Liu, Cong (1); Ma, Cai-Wen (1); Feng, Li (1); Wang, A-Ni (1); Xia, Ai-Li (1)

Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanics, CAS, Xi'an 710119, China; (2) Graduate University, CAS, Beijing 100039, China

Corresponding author:Liu, C.(leobrows@163.com)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:SUPPL.

Issue date:November 2008

Publication year:2008

Pages:281-284

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:The adaptive optics system servo-loop blocks' transfer functions were presented. According to the whole servo-loop's characteristics, two kinds of system models are introduced: continuous system model and sampled data system model and the correspondent controllers are designed. PID controller and Smith predictive compensator are for the continuous system model. The correct bandwidth, steady-state error, etc of the two controllers were analyzed by comparing their Bode diagrams. The result shows that the Smith predictive compensator is better in improving the system's performance. Through analytic design method, obtaining a basic digital controller for the sampled data system model.

Number of references:13

Main heading:Model structures

Controlled terms:Adaptive optics - Bode diagrams - Controllers - Design - Proportional control systems - Sampled data control systems

Uncontrolled terms:Adaptive optics systems - Analysis and designs - Analytic designs - Continuous systems - Control - Digital controllers - PID controllers - Sampled data-systems - Servo-loop - Steady-state errors  - System models - System's performance

Classification code:408 Structural Design - 731.1 Control Systems - 741.1 Light/Optics - 902.1 Engineering Graphics

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 188>

 

Accession number:20090811913541

Title:Guided modes in a symmetric five-layer left-handed waveguide

Authors:He, Ying (1); Zhang, Jing (1); Li, Chunfang (1)

Author affiliation:(1) Department of Physics, Shanghai University, 99 Shangda Road, Shanghai 200444, China; (2) State Key Laboratory of Transient Optics and Photonics, Xian Institute of Optics and Precision Mechanics, Chinese Academy of Sciences (CAS), Xian 710119, China

Corresponding author:He, Y.(heying@staff.shu.edu.cn)

Source title:Journal of the Optical Society of America B: Optical Physics

Abbreviated source title:J Opt Soc Am B

Volume:25

Issue:12

Issue date:December 1, 2008

Publication year:2008

Pages:2081-2091

Language:English

ISSN:07403224

CODEN:JOBPDE

Document type:Journal article (JA)

Publisher:Optical Society of America, 2010 Massachusetts Ave, NW, Washington, DC, DC 20036-1023, United States

Abstract:The guided modes are investigated in a symmetric five-layer slab waveguide with a core of negative refractive index material surrounded by four normal dielectrics. The graphical method is applied to determine the guided optical modes. The left-handed material waveguide supports both oscillating and surface guided modes. For oscillating guided modes the fundamental mode can be supported. Mode double-degeneracy appears and some modes are absent in the five-layer waveguide. High-order surface guided modes exist due to the oscillating electric field in the inner claddings. Energy flux for the oscillating and surface guided modes is also discussed in detail &copy; 2008 Optical Society of America.

Number of references:21

Main heading:Guided electromagnetic wave propagation

Controlled terms:Electric fields - Graphic methods - Optical waveguides - Refractive index - Surfaces - Waveguides

Uncontrolled terms:Energy fluxes - Fundamental modes - Graphical methods - Guided modes - High orders - Inner claddings - Left-handed materials - Negative refractive index materials - Optical modes - Oscillating guided modes  - Slab waveguides - Surface guided modes

Classification code:931 Classical Physics; Quantum Theory; Relativity - 902.1 Engineering Graphics - 801.4 Physical Chemistry - 741.3 Optical Devices and Systems - 741.1 Light/Optics - 951 Materials Science - 723.5 Computer Applications - 714.3 Waveguides - 711.1 Electromagnetic Waves in Different Media - 701.1 Electricity: Basic Concepts and Phenomena - 604.2 Machining Operations - 717.2 Optical Communication Equipment

DOI:10.1364/JOSAB.25.002081

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 189>

 

Accession number:20082311303284

Title:Correction of secondary spectrum based on normal dispersion glasses

Authors:Yang, Qing-Hua (1); Zhao, Bao-Chang (1); Zhou, Ren-Kui (1)

Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Graduate University, Chinese Academy of Sciences, Beijing 100039, China

Corresponding author:Yang, Q.-H.(y00102@163.com)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:4

Issue date:April 2008

Publication year:2008

Pages:772-775

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:The theory for the design of optical systems corrected of secondary spectrum by using normal glasses is presented. The algorithm for the evaluation of secondary spectrum contribution on each surface is developed and applied to the design of optical systems. Two design examples are given. In both design examples the secondary spectrum is well corrected by using standard glasses only.

Number of references:10

Main heading:Optical systems

Controlled terms:Dispersion (waves) - Optical design - Optical glass

Uncontrolled terms:Apochromat - Normal dispersion glasses - Secondary spectrum

Classification code:711.1 Electromagnetic Waves in Different Media - 741.1 Light/Optics - 741.3 Optical Devices and Systems - 812.3 Glass

Treatment:Experimental (EXP)

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 190>

 

Accession number:20090111830226

Title:Security system of iris recognition based on chaos encryption

Authors:Liu, Yang (1); Peng, Wen-Da (4); Wang, Qing-Hua (3); Shen, Man-De (1)

Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Graduate University, Chinese Academy of Sciences, Beijing 100049, China; (3) College of Information Engineering, Shenzhen University, Shenzhen 518060, China; (4) Institute of Optoelectronics, Shenzhen University, Shenzhen 518060, China

Corresponding author:Liu, Y.(lyphy2002@sina.com)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:11

Issue date:November 2008

Publication year:2008

Pages:2342-2345

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:OCML chaos systems to encrypt the iris identify code, and compound chaos encryption system (CCES) which combines Arnold transform and OCML, to encrypt iris image were proposed. Arnold transform was used to shuffle and confuse iris image, and utilize mirrored way to proceed the question of zero position invariable. The encryption operation was finished by OCML chaos system. The results show that the algorithm has such advantages: larger key space, better key sensitivity and better statistical characteristics, and the average encryption time is 70 ms.

Number of references:9

Main heading:Cryptography

Controlled terms:Biometrics - Chaotic systems

Uncontrolled terms:Anold transform - Arnold transforms - Chaos encryptions - Chaos systems - Encryption operations - Identify code - Iris encryption - Iris images - Iris recognitions - OCML  - Statistical characteristics - Zero positions

Classification code:961 Systems Science - 931 Classical Physics; Quantum Theory; Relativity - 921 Mathematics - 732 Control Devices - 723 Computer Software, Data Handling and Applications - 718 Telephone Systems and Related Technologies; Line Communications - 717 Optical Communication - 716 Telecommunication; Radar, Radio and Television - 461 Bioengineering and Biology

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 191>

 

Accession number:20084711720425

Title:Analysis on uncertainty of temperature for Michelson interferometer for temperature and wind of atmosphere

Authors:Wang, Li (1); Zhao, Bao-Chang (1); Zhang, Chun-Min (3); Xiang-Li, Bin (1)

Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Graduate University, Chinese Academy of Sciences, Beijing 100039, China; (3) Science School, Xi'an Jiaotong University, Xi'an 710049, China

Corresponding author:Wang, L.(wlfuyun@163.com)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:10

Issue date:October 2008

Publication year:2008

Pages:2031-2034

Language:English

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:According to the measurement principle of Michelson interferometer for temperature and wind of atmosphere, the uncertainty of temperature was determined by the uncertainty in the apparent visibility of the emission line and the instrument visibility. The quantitative relationship between them was deduced and the allowance range of the uncertainty of visibility corresponding to the uncertainty of temperature was gained. The simulation calculation was completed, and the methods to improve the measuring accuracy of temperature were proposed.

Number of references:5

Main heading:Uncertainty analysis

Controlled terms:Atmospheric temperature - Interferometers - Interferometry - Michelson interferometers - Optical instruments - Optical properties - Visibility

Uncontrolled terms:Emission lines - Measurement principles - Measuring accuracies - Quantitative relationships - Simulation calculations - Temperature error - Uncertainty of visibility - Wind measurement

Classification code:941.4 Optical Variables Measurements - 941.3 Optical Instruments - 922.1 Probability Theory - 741.3 Optical Devices and Systems - 741.2 Vision - 741.1 Light/Optics - 443.1 Atmospheric Properties

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 192>

 

Accession number:20090711905716

Title:Ablating of carbon nanotube by laser beam and its effect on field emission performance

Authors:Zheng, Xin-Liang (1); Li, Guang-Shan (1); Zhong, Shou-Xian (3); Tian, Jin-Shou (4); Li, Zhen-Hong (1); Ren, Zhao-Yu (1)

Author affiliation:(1) Institute of Photonics and Photon-technology, Northwest University, Xi'an 710069, China; (2) Department of Physics, Northwest University, Xi'an 710069, China; (3) Department of Mathematics and Physics, China University of Petroleum, Beijing 102249, China; (4) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China

Corresponding author:Zheng, X.-L.

Source title:Wuli Xuebao/Acta Physica Sinica

Abbreviated source title:Wuli Xuebao

Volume:57

Issue:12

Issue date:December 2008

Publication year:2008

Pages:7912-7918

Language:Chinese

ISSN:10003290

CODEN:WLHPAR

Document type:Journal article (JA)

Publisher:Science Press, 18,Shuangqing Street,Haidian, Beijing, 100085, China

Abstract:Carbon nanotubes (CNTs) cathodes have been made by using screen-printing. Conglutinated CNTs were separated after ablation by laser beam. The spacing between CNTs is increased, the screen effect is diminished. Experiment results show that the field emission properties of CNTs film are highly improved, the relevant turn-on voltage was reduced and the field enhancement factor &beta; was enhanced. From Raman spectra of multi-wall CNT films treated by laser ablation, the defects on CNT surface were increased with increasing laser energy, and became new field emission dots. Compared with diode structure, the flat gate structure showed better field emission performance. So the laser ablation is an effective method that could enhance CNT field emission properties, and has value in the research of CNT cathode materials. At the same time, the flat gate structure has better prospects in the structure design of CNTs field emission flat display.

Number of references:19

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 193>

 

Accession number:20081211158184

Title:Influence of auxiliary violet light on holographic kinetics at low and high recording intensities in bacteriorhodopsin film

Authors:Yao, Baoli (1); Han, Junhe (1); Gao, Peng (1); Chen, Liju (1); Wang, Yingli (1); Lei, Ming (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an, 710119, China; (2) Graduate School, the Chinese Academy of Sciences, Beijing, 100049, China; (3) Henan University, Kaifeng, 475004, China

Corresponding author:Yao, B.(yaobl@opt.ac.cn)

Source title:Optics Communications

Abbreviated source title:Opt Commun

Volume:281

Issue:9

Issue date:May 1, 2008

Publication year:2008

Pages:2380-2384

Language:English

ISSN:00304018

CODEN:OPCOB8

Document type:Journal article (JA)

Publisher:Elsevier, P.O. Box 211, Amsterdam, 1000 AE, Netherlands

Abstract:The photochromic bacteriorhodopsin (BR) film can be used as a rewritable holographic recording medium. Due to the saturation absorption and the scattering and reflecting lights from the BR film, the grating contrast-ratio of the hologram is diminished during the hologram recording. When the intensity of the recording light is low, the influence of the saturation absorption and the scatter and reflection of BR film on the grating contrast-ratio is weak. But for the case of intense recording light, this influence is more serious. It is found that the influence of the auxiliary violet light on the holographic kinetics of diffraction efficiency is distinct under different recording intensities. At the low recording light intensity, the steady diffraction efficiency is increased and the peak diffraction efficiency is suppressed by the auxiliary violet light. But for intense recording light, the steady diffraction efficiency and the peak diffraction efficiency are both increased by the auxiliary violet light. Based on the two-state model of BR photochromism, we give a good theoretical explanation to the above phenomena. &copy; 2007 Elsevier B.V. All rights reserved.

Number of references:19

Main heading:Holographic gratings

Controlled terms:Absorption - Biofilms - Diffraction - Kinetics - Light scattering - Proteins

Uncontrolled terms:Holographic recording - Saturation absorption

Classification code:804.1 Organic Compounds - 802.3 Chemical Operations - 743.1.1 Optical Holography - 931 Classical Physics; Quantum Theory; Relativity - 741.3 Optical Devices and Systems - 631.1 Fluid Flow, General - 462.5 Biomaterials (including synthetics) - 741.1 Light/Optics

Treatment:Theoretical (THR); Experimental (EXP)

DOI:10.1016/j.optcom.2007.12.066

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 194>

 

Accession number:20090711906882

Title:Spectral properties of Yb³⁺-doped glasses

Authors:Lu, Min (1); Li, Wei-Nan (1); Zou, Kuai-Sheng (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics And Procession Mechanics, Chinese Academy of Sciences, Xi'an 710068, China

Corresponding author:Lu, M.

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:SUPPL.

Issue date:November 2008

Publication year:2008

Pages:175-177

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:The absorption and fluorescence spectra of Yb³⁺-doped silicate glasses were studied. The spectra parameters such as the integrated absorption cross section, stimulated emission cross section and fluorescent time etc were calculated and discussed on a basis of Fuchbauer-Ladenburger (F-L) and Reciprocity Method (RM). The results showe that at the given thickness of glasses the spectra parameters above mentioned increased with Yb2O<inf>3</inf> concentration and went up the maximum for glasses with 1.5mol% Yb<inf>2</inf>O<inf>3</inf>, and that fluorescent time got the maximum (1.06 ms) for glasses with 2mm thichness; at the same time there existed difference for stimulated emission cross section calculated by F-L and RM due to Yb³⁺ ground reabsorption. Furthermore, it was reasonable to evaluate stimulated emission cross section using RM.

Number of references:14

Main heading:Emission spectroscopy

Controlled terms:Absorption - Fluorescence - Glass - Radiation - Silicates - Stimulated emission - Ytterbium

Uncontrolled terms:Absorption and fluorescence spectrum - Doped glass - Integrated absorption cross section - Radiation trapping - Silicate glass - Spectral properties - Stimulated emission cross section - Yb³⁺-doped laser glasses

Classification code:931.3 Atomic and Molecular Physics - 931.2 Physical Properties of Gases, Liquids and Solids - 812.3 Glass - 812 Ceramics, Refractories and Glass - 802.3 Chemical Operations - 801 Chemistry - 744 Lasers - 741.1 Light/Optics - 711 Electromagnetic Waves - 657.1 Solar Energy and Phenomena - 547.2 Rare Earth Metals - 482.2 Minerals - 414 Masonry Materials

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 195>

 

Accession number:20083911598451

Title:Tunable ultranarrow dual-channel filter based on sampled FBGs

Authors:Liu, X.M. (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China

Corresponding author:Liu, X.M.(liuxm@opt.ac.cn)

Source title:Journal of Lightwave Technology

Abbreviated source title:J Lightwave Technol

Volume:26

Issue:13

Issue date:2008

Publication year:2008

Pages:1885-1890

Language:English

ISSN:07338724

CODEN:JLTEDG

Document type:Journal article (JA)

Publisher:Institute of Electrical and Electronics Engineers Inc., 445 Hoes Lane / P.O. Box 1331, Piscataway, NJ 08855-1331, United States

Abstract:A new kind of ultranarrow dual-bandpass fiber Bragg grating is proposed and demonstrated, for the first time to the author's best knowledge, with a symmetrical technique in which the first and second half gratings are sampled with the period of 0-and-&pi; and &pi;-and-0, respectively. This kind of grating can achieve dual-wavelength operation with a symmetrical spectrum. The unique spectral property of the proposed gratings is analyzed by means of Fourier theory and confirmed experimentally. By integrating the proposed grating with the 0-and-&pi; sampling grating, an ultranarrow dual-channel filter is designed in principle and demonstrated experimentally whose 3-dB bandwidth is less than 1 pm. By stretching the gratings, the two wavelengths of the proposed filter can be tuned whereas their channel spacing remains unchanged. &copy; 2008 IEEE.

Number of references:40

Main heading:Fiber Bragg gratings

Controlled terms:Fiber optics - Optical filters - Transceivers - Wastewater - Wave filters

Uncontrolled terms:Band pass filters - Band-pass - Bandwidth - Bragg gratings - Channel spacings - Dual channels - Dual-wavelength - Fiber Bragg grating (FBG) - Fiber gratings - Fiber laser  - Filter - Filtering theory - Fourier theory - Fourier transform - Gratings - Optical fiber filters - Spectral properties - Symmetrical spectrum

Classification code:452.3 Industrial Wastes - 703.2 Electric Filters - 716.3 Radio Systems and Equipment - 741.1.2 Fiber Optics - 741.3 Optical Devices and Systems

DOI:10.1109/JLT.2007.913734

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 196>

 

Accession number:20090611901668

Title:Large-tolerance fiber coupling technology

Authors:Yuan, Jun-Hang (1); Sun, Wei-Feng (1); Chen, Liang-Yi (1)

Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Graduate University, Chinese Academy of Sciences, Beijing 100049, China; (3) No.38 Research Institute of CETC, Hefei 230031, China

Corresponding author:Yuan, J.-H.(loulanmuma@126.com)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:12

Issue date:December 2008

Publication year:2008

Pages:2448-2452

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:A new type fiber coupling system is designed, which consists of four parts: large aperture lens, 1/4 pitch grin lens, taper fiber and step optical fiber with spherical end surface. The principle of compressing with grin lens and enlarging NA with fiber is analysed and the process of calculating the parameters of taper fiber is given. The position and angle tolerance are enlarged by large aperture lens and grin lens and the beam is compressed by taper fiber to match the step optical fiber. The results of simulation experiment shows that its coupling efficiency is above 50% stably with r &lt; 3 mm and -1&deg; &lt; &theta; &lt; 1.5&deg;.

Number of references:8

Main heading:Optical fiber coupling

Controlled terms:Fibers - Lenses - Optical fibers - Optical instruments - Optical materials

Uncontrolled terms:Fiber coupling - Grin lens - Numerical aperture - Taper fiber - Tolerance

Classification code:941.3 Optical Instruments - 819.4 Fiber Products - 817 Plastics and Other Polymers: Products and Applications - 812 Ceramics, Refractories and Glass - 741.3 Optical Devices and Systems - 741.1.2 Fiber Optics - 717 Optical Communication

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 197>

 

Accession number:20081711219190

Title:Theory and experiments for multiple four-wave-mixing processes with multifrequency pumps in optical fibers

Authors:Liu, X.-M. (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China

Corresponding author:Liu, X.-M.(liuxm@opt.ac.cn)

Source title:Physical Review A - Atomic, Molecular, and Optical Physics

Abbreviated source title:Phys Rev A

Volume:77

Issue:4

Issue date:April 14, 2008

Publication year:2008

Article number:043818

Language:English

ISSN:10502947

E-ISSN:10941622

CODEN:PLRAAN

Document type:Journal article (JA)

Publisher:American Physical Society, One Physics Ellipse, College Park, MD 20740-3844, United States

Abstract:Multiple four-wave-mixing (FWM) processes with multifrequency pumps in optical fibers are investigated theoretically and experimentally. The propagation equations describing the FWM nonlinear interactions between pump waves and "first-order" sideband waves are derived. Based on our theoretical model, the rigorous nonlinear equations governing arbitrary pumps can be developed when the pump waves have equal frequency spacing. The proposed theory can generalize the traditional theory of FWM processes. The rigorous nonlinear equations governing three pumps and three cases of simplified equations governing three, four, and five pumps are achieved. Numerical simulations for three, four, and five pumps are experimentally tested by using a piece of highly nonlinear photonic-crystal fiber, and the experimental observations confirmed our theoretical predictions. The stabilization of waves by multiple FWM processes is proved theoretically and confirmed experimentally. &copy; 2008 The American Physical Society.

Number of references:35

Main heading:Four wave mixing

Controlled terms:Nonlinear equations - Optical fibers - Optical pumping - Photonic crystals - Wave equations

Uncontrolled terms:Equal frequency spacing - Photonic-crystal fiber - Sideband waves

Classification code:741.1 Light/Optics - 741.1.2 Fiber Optics - 741.3 Optical Devices and Systems - 921.1 Algebra - 921.2 Calculus

Treatment:Theoretical (THR); Experimental (EXP)

DOI:10.1103/PhysRevA.77.043818

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 198>

 

Accession number:20083811556052

Title:Polymer-based microstructured fiber towards imaging application

Authors:Wang, Lili (1); Wang, Jian (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, 171 Information Road 17, Xi'an, Shannxi, 710119

Corresponding author:Wang, L.(wangll@opt.ac.cn)

Source title:2008 Conference on Quantum Electronics and Laser Science Conference on Lasers and Electro-Optics, CLEO/QELS

Abbreviated source title:Conf. Quantum Electron. Laser Sci. Conf. Lasers Electro-Opt., CLEO/QELS

Monograph title:2008 Conference on Quantum Electronics and Laser Science Conference on Lasers and Electro-Optics, CLEO/QELS

Issue date:2008

Publication year:2008

Article number:4552167

Language:English

ISBN-10:1557528594

ISBN-13:9781557528599

Document type:Conference article (CA)

Conference name:Conference on Quantum Electronics and Laser Science Conference on Lasers and Electro-Optics, CLEO/QELS 2008

Conference date:May 4, 2008 - May 9, 2008

Conference location:San Jose, CA, United states

Conference code:73401

Publisher:Inst. of Elec. and Elec. Eng. Computer Society, 445 Hoes Lane - P.O.Box 1331, Piscataway, NJ 08855-1331, United States

Abstract:PMMA-based MOF with 547 air holes was fabricated by extruding and stretching of an big-size preform with hole diameter of 1.5 mm and hole spacing of 1.9 mm. The high image resolution was demonstrated. &copy; 2008 Optical Society of America.

Number of references:4

Main heading:Electron optics

Controlled terms:ABS resins - Image resolution - Quantum electronics

Uncontrolled terms:Air holes - Electro-optics - Laser science

Classification code:931.4 Quantum Theory; Quantum Mechanics - 931.3 Atomic and Molecular Physics - 815.1.1 Organic Polymers - 744 Lasers - 742 Cameras and Photography - 741 Light, Optics and Optical Devices - 723.2 Data Processing and Image Processing - 716.4 Television Systems and Equipment - 701.1 Electricity: Basic Concepts and Phenomena

DOI:10.1109/CLEO.2008.4552167

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 199>

 

Accession number:20081211165200

Title:Accurate description of a radially polarized Gaussian beam

Authors:Yan, Shaohui (1); Yao, Baoli (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xia'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xia'an 710119, China; (2) Graduate School, Chinese Academy of Sciences, Beijing 100039, China

Corresponding author:Yan, S.

Source title:Physical Review A - Atomic, Molecular, and Optical Physics

Abbreviated source title:Phys Rev A

Volume:77

Issue:2

Issue date:Febrary 29, 2008

Publication year:2008

Article number:023827

Language:English

ISSN:10502947

E-ISSN:10941622

CODEN:PLRAAN

Document type:Journal article (JA)

Publisher:American Physical Society, One Physics Ellipse, College Park, MD 20740-3844, United States

Abstract:An accurate description of a radially polarized fundamental Gaussian beam is presented on the basis of complex-source-point spherical waves (CSPSWs). In contrast to other descriptions based on the perturbative Lax series, the expressions for the electromagnetic field components of this description have explicit and simple mathematical forms. Numerical calculations show that both paraxial and fifth-order corrected beam descriptions have large relative error when the diffraction angle is large, while the accurate description based on the CSPSW approach proposed here can give field expressions which satisfy Maxwella's equations with great accuracy. &copy; 2008 The American Physical Society.

Number of references:17

Main heading:Gaussian beams

Controlled terms:Functional analysis - Maxwell equations - Numerical methods - Perturbation techniques - Wave functions

Uncontrolled terms:Complex source point spherical waves - Lax series - Polarized Gaussian beams

Classification code:701.1 Electricity: Basic Concepts and Phenomena - 701.2 Magnetism: Basic Concepts and Phenomena - 711 Electromagnetic Waves - 921 Mathematics - 921.2 Calculus - 921.6 Numerical Methods

Treatment:Theoretical (THR); Experimental (EXP)

DOI:10.1103/PhysRevA.77.023827

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 200>

 

Accession number:20085111797698

Title:Image denoising algorithm by cascading two-dimensional nonseparable filters and wavelets

Authors:Cheng, Yuan-Yuan (1); Zhou, Zuo-Feng (1); Shui, Peng-Lang (1)

Author affiliation:(1) National Lab. of Radar Signal Processing, Xidian Univ., Xi'an 710071, China; (2) Xi'an Inst. of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China

Corresponding author:Cheng, Y.-Y.(xiaocheng97518@163.com)

Source title:Xi Tong Gong Cheng Yu Dian Zi Ji Shu/Systems Engineering and Electronics

Abbreviated source title:Xi Tong Cheng Yu Dian Zi Ji Shu/Syst Eng Electron

Volume:30

Issue:11

Issue date:November 2008

Publication year:2008

Pages:2075-2078

Language:Chinese

ISSN:1001506X

CODEN:XGYDEM

Document type:Journal article (JA)

Publisher:Chinese Institute of Electronics, P.O. Box 165, Beijing, 100036, China

Abstract:To study the problem of extracting the multi-directional information of images in digital image processing, an image denoising algorithm based on extracting multi-directional information via two-dimensional (2-D) nonseparable filter in wavelet domain is proposed. Firstly, two 2-D nonseparable directional filters are designed, and then six directional features of the image are extracted simply and effectively via the wavelet transform. Finally, the wavelet-based image denoising by thresholding and Wiener filtering with elliptic directional windows is used to denoise the noisy image. The experimental results show that the proposed algorithm can simply extract multi-directional information and achieves more significant improvement than the existing image denoising algorithms using the separable 2-D wavelets.

Number of references:12

Main heading:Image processing

Controlled terms:Adaptive filtering - Digital filters - Two dimensional - Wave filters - Wavelet transforms - Windows

Uncontrolled terms:2-D nonseparable filter - Directional information - Directional window - Image denoising - Thresholding and Wiener filtering

Classification code:921.3 Mathematical Transformations - 902.1 Engineering Graphics - 812.3 Glass - 741 Light, Optics and Optical Devices - 731.1 Control Systems - 723.5 Computer Applications - 723.2 Data Processing and Image Processing - 703.2 Electric Filters - 402 Buildings and Towers

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 201>

 

Accession number:20082711348293

Title:Temporal development of spatial solitons in biased photorefractive- photovoltaic materials

Authors:Lu, Keqing (1); Zhao, Wei (1); Chen, Yongzhuang (2); Yang, Yang (1); Zhang, Lei (1); Yang, Yanlong (1); Li, Jinfang (1); Zhang, Yanpeng (3); Xu, Jingjun (4)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academic of Sciences, Xi'an, China; (2) Shangluo University, Shaanxi Shangluo, China; (3) Department of Electronic Science and Technology, Xi'an Jiaotong University, Xi'an, China; (4) Department of Physics, Nankai University, Tianjin, China

Corresponding author:Lu, K.(kqlu@opt.cn)

Source title:Journal of Modern Optics

Abbreviated source title:J. Mod. Opt.

Volume:55

Issue:10

Issue date:June 2008

Publication year:2008

Pages:1571-1585

Language:English

ISSN:09500340

E-ISSN:13623044

CODEN:JMOPEW

Document type:Journal article (JA)

Publisher:Taylor and Francis Ltd., 4 Park Square, Milton Park, Abingdon, Oxfordshire, OX14 4RN, United Kingdom

Abstract:A theory to characterize the time-dependent formation of spatial solitons in biased photorefractive-photovoltaic materials is presented that provides the screening soliton's temporal behavior when the bulk photovoltaic effect is neglectable for short circuits and the open- and closed-circuit photovoltaic soliton's temporal behavior when the external field is absent. Such a theory predicts that the response time of the steady-state solitons can be controlled by adjusting the electric current density, J0, and the maximum normalized amplitude of the soliton beam. The formation time of the steady-state solitons increases with [image omitted] for [image omitted], has its minimum value between 0J01, and decreases with increasing maximum normalized amplitude of the soliton beam. The response times of steady-state photovoltaic solitons and steady-state screening solitons have been investigated and it has been found that the formation time of the dark steady-state photovoltaic soliton is shorter for a short-circuit condition than for an open-circuit condition, shorting the material affects the response time of bright steady-state photovoltaic solitons very little, and the formation time of the short-circuit steady-state photovoltaic solitons is longer than that of the steady-state screening soliton.

Number of references:23

Main heading:Solitons

Controlled terms:Circuit theory - Current density - Electric fault location - Networks (circuits) - Optical properties - Photoreactivity

Uncontrolled terms:(e ,2e) theory - (I ,J) conditions - Electric current density - External fields - minimum values - Photo-refractive - Photovoltaic (PV) - Photovoltaic materials - Photovoltaic solitons - response time  - Response times - Screening solitons - Short circuit (SC) - Spatial solitons - temporal behaviors - Temporal development - Time-dependent

Classification code:701.1 Electricity: Basic Concepts and Phenomena - 703.1 Electric Networks - 706.2 Electric Power Lines and Equipment - 741.1 Light/Optics - 921.1 Algebra

DOI:10.1080/09500340701721884

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

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Accession number:20081911244591

Title:Research on acquirement rate of CCD vertical target coordinate measurement system

Authors:Liu, Wen (1); Xiong, Ren-Sheng (1); Zhang, Yun-Qi (1); Li, Hua (1)

Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Graduate University, Chinese Academy Sciences, Beijing 100039, China

Corresponding author:Liu, W.(wliu@opt.ac.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:2

Issue date:February 2008

Publication year:2008

Pages:413-416

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:The coordinate measurement principle and target imaging characteristic of CCD vertical target coordinate measurement system are introduced. The factors influencing the acquirement rate of the system are researched based on target characteristic, camera characteristic and video processing ability. Some methods are introduced to decrease the influence of disadvantageous factors and increase the acquirement rate of the system. These factors are taken into account in the design of the 4 m &times; 4 m coordinate measurement system. After thousands of test, the system achieveds a acquirement rate of 95% about 5.8 mm target and a higher acquirement rate than 95% about bigger target.

Number of references:8

Main heading:Imaging techniques

Controlled terms:Cameras - Charge coupled devices

Uncontrolled terms:Acquirement rate - CCD vertical target - Influence factors

Classification code:741 Light, Optics and Optical Devices - 742.2 Photographic Equipment - 746 Imaging Techniques

Treatment:Experimental (EXP)

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 203>

 

Accession number:20090711906887

Title:Crystallization and chemical stability of GeS<inf>2</inf>-Ga<inf>2</inf>S<inf>3</inf>-CdS chalcogenide glasses

Authors:Lu, Min (1); Guo, Hai-Tao (1); Peng, Bo (1); Hou, Chao-Qi (1); She, Jiang-Bo (1); Gao, Fei (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Procession Mechanics, Chinese Academy of Sciences, Xi'an 710119, China

Corresponding author:Lu, M.

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:SUPPL.

Issue date:November 2008

Publication year:2008

Pages:191-194

Language:English

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:Crystallization and chemical stability of GeS<inf>2</inf>-Ga<inf>2</inf>S<inf>3</inf>-CdS chalcogenide glasses were characterized by differential scanning calorimetry-thermogravimetry (DSC-TG), x-ray diffraction (XRD) and, scanning electron microscopy (SEM) and infrared (IR) transmission measurements. It underwent a two-stage gradual crystallization process from the three-dimensional (3-D) phase (-GeS<inf>2</inf> crystal) to the layered two-dimensional (2-D) phase (-GeS<inf>2</inf> crystal) upon heating. 90GeS<inf>2</inf>&middot5Ga<inf>2</inf>S<inf>3</inf>&middot5CdS (GGC5) composition glass exhibited excellent chemical durability and thermal stability against the water.

Number of references:22

Main heading:Chemical stability

Controlled terms:Cadmium compounds - Chalcogenides - Crystallization - Data storage equipment - Differential scanning calorimetry - Gallium - Glass - Infrared spectroscopy - Inorganic compounds - Nanocrystalline alloys  - Phase change memory - Scanning - Scanning electron microscopy - Spectroscopic analysis - Spectrum analysis - Stability - Three dimensional - X ray analysis

Uncontrolled terms:Cds - Chalcogenide glass - Chalcogenides glass - Chemical durabilities - Crystallization process - Scanning calorimetries - Scanning electrons - Sem - Thermal stabilities - Thermogravimetry  - Transmission measurements - Two stages - Two-dimensional - X-ray diffractions

Classification code:922.2 Mathematical Statistics - 921 Mathematics - 902.1 Engineering Graphics - 931 Classical Physics; Quantum Theory; Relativity - 812.3 Glass - 804.1 Organic Compounds - 961 Systems Science - 804.2 Inorganic Compounds - 931.2 Physical Properties of Gases, Liquids and Solids - 944.6 Temperature Measurements - 944 Moisture, Pressure and Temperature, and Radiation Measuring Instruments - 943 Mechanical and Miscellaneous Measuring Instruments - 951 Materials Science - 942 Electric and Electronic Measuring Instruments - 941 Acoustical and Optical Measuring Instruments - 933.1 Crystalline Solids - 941.4 Optical Variables Measurements - 804 Chemical Products Generally - 722.1 Data Storage, Equipment and Techniques - 641.1 Thermodynamics - 549.3 Nonferrous Metals and Alloys excluding Alkali and Alkaline Earth Metals - 803 Chemical Agents and Basic Industrial Chemicals - 545.2 Iron Alloys - 521 Fuel Combustion and Flame Research - 421 Strength of Building Materials; Mechanical Properties - 531.2 Metallography - 723.5 Computer Applications - 731.4 System Stability - 802.3 Chemical Operations - 801.4 Physical Chemistry - 801 Chemistry - 761 Nanotechnology - 741.3 Optical Devices and Systems - 741.1 Light/Optics

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 204>

 

Accession number:20112514083605

Title:New photonic bandgap of single negative materials

Authors:Zeng, Yuan (1); Chen, Qinghui (2); Xu, Jiadong (1)

Author affiliation:(1) School of Electronics and Information, Northwestern Polytechnical University, Xi'an, Shanxi 710072, China; (2) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an, Shanxi 710119, China

Corresponding author:Zeng, Y.(yuantsang@gmail.com)

Source title:Proceedings of SPIE - The International Society for Optical Engineering

Abbreviated source title:Proc SPIE Int Soc Opt Eng

Volume:6837

Monograph title:Information Optics and Photonics Technologies II

Issue date:2008

Publication year:2008

Article number:68371J

Language:English

ISSN:0277786X

CODEN:PSISDG

ISBN-13:9780819470126

Document type:Conference article (CA)

Conference name:Information Optics and Photonics Technologies II

Conference date:November 12, 2007 - November 13, 2007

Conference location:Beijing, China

Conference code:85196

Sponsor:The Society of Photo-Optical Instrumentation Engineers (SPIE); Chinese Optical Society (COS)

Publisher:SPIE, P.O. Box 10, Bellingham, WA 98227-0010, United States

Abstract:The photonic crystal combining with two single negative dispersive materials (one is negative permittivity and positive permeability, the other is negative permeability and positive permittivity) is considered and it's dispersive and transmission properties are studied theoretically. We show that this structure can possess a new type of photonic bandgap at the frequencies where the materials electric permittivity or magnetic permeability is zero. With the different ways of traditional Bragg bandgap and zero equivalent refractive index bandgap, the new bandgap decided by the dispersive characteristics of the materials, and this band gap distinguished itself from above two bandgaps in that it is sensitive to polarization mode of incidence wave and is scale-length invariant and robust against disorder. The difference of these bandgaps and the use of SNG dispersive material in gradual periodic photonic crystal are discussed.

Number of references:10

Main heading:Energy gap

Controlled terms:Dispersion (waves) - Magnetic permeability - Materials - Optics - Permittivity - Photonic crystals - Refractive index - Spontaneous emission

Uncontrolled terms:Band gaps - Bandgap properties - Dispersive characteristic - Dispersive materials - Electric permittivities - Equivalent refractive index - Incidence wave - Negative permeability - Negative permittivity - Polarization modes  - Single negative - Single-negative materials - Transmission property

Classification code:931.3 Atomic and Molecular Physics - 741.3 Optical Devices and Systems - 741.1 Light/Optics - 951 Materials Science - 711.1 Electromagnetic Waves in Different Media - 701.2 Magnetism: Basic Concepts and Phenomena - 701 Electricity and Magnetism - 711 Electromagnetic Waves

DOI:10.1117/12.761111

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 205>

 

Accession number:20082011256205

Title:Using hyperspectral data for land cover identification and classification

Authors:Wang, Zhi-Ping (1); Yang, Jian-Feng (1); Xue, Bin (1); Chen, Yong-Cong (1)

Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Graduate University, Chinese Academy of Sciences, Beijing 100039, China

Corresponding author:Wang, Z.-P.(wangzhipinga@126.com)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:3

Issue date:March 2008

Publication year:2008

Pages:561-565

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:The limitation in hyperspectral land cover classification is discussed, when using traditional statistical classification methods. An endmember-based supervised classification approach is proposed and discussed. The experimental data was acquired by imaging spectrometer (LASIS). The endmember-based supervised classification procedure was used for the hyperspectral image. The IsoData unsupervised classification procedure that automatically iteratively clusters the pixels was also used. The results of supervised and unsupervised classification are compared. It shows that the endmember-based supervised classification for land cover is much more satisfied.

Number of references:12

Main heading:Image processing

Controlled terms:Classification (of information) - Imaging techniques - Pixels - Spectrometers

Uncontrolled terms:Endmember - Hyperspectral data - Identification - Imaging spectrometer - LASIS

Classification code:723.2 Data Processing and Image Processing - 741 Light, Optics and Optical Devices - 746 Imaging Techniques

Treatment:Experimental (EXP)

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 206>

 

Accession number:20081511195963

Title:Design of apochromatic telescope without anomalous dispersion glasses

Authors:Yang, Qinghua (1); Zhao, Baochang (1); Zhou, Renkui (1)

Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Graduate University, Chinese Academy of Sciences, Beijing 100039, China

Corresponding author:Yang, Q.

Source title:Chinese Optics Letters

Abbreviated source title:Chin. Opt. Lett.

Volume:6

Issue:2

Issue date:February 2008

Publication year:2008

Pages:146-148

Language:English

ISSN:16717694

Document type:Journal article (JA)

Publisher:Science Press, 18,Shuangqing Street,Haidian, Beijing, 100085, China

Abstract:A novel lens system with correction of secondary spectrum without using anomalous glasses is presented. The lens system comprises four separated lens components, with three of them being subapertures. Two examples of apochromatic telescope are presented, both with the use of typical normal glasses, namely crown K9 and flint F5 glasses, and low-cost slightly anomalous dispersion glasses. Secondary spectrum and other chromatic aberrations of the two design examples are corrected.

Number of references:9

Main heading:Optical design

Controlled terms:Aberrations - Dispersion (waves) - Optical telescopes

Uncontrolled terms:Anomalous dispersion glasses - Apochromatic telescope

Classification code:711.1 Electromagnetic Waves in Different Media - 741.1 Light/Optics - 741.3 Optical Devices and Systems - 941.3 Optical Instruments - 941.4 Optical Variables Measurements

Treatment:Experimental (EXP)

DOI:10.3788/COL20080602.0146

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 207>

 

Accession number:20082111262143

Title:Method to detect IR dim and small objects based on window

Authors:Liu, Wen (1); Liu, Zhao-Hui (1); Xiong, Ren-Sheng (1)

Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Graduate University, Chinese Academy of Sciences, Beijing 100039, China

Corresponding author:Liu, W.(wliu@opt.ac.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:3

Issue date:March 2008

Publication year:2008

Pages:618-620

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:On the base of analyzing the detecting probability and the false alarm rate of infrared dim and small objects detection, a new method based on window to detect infrared dim and small objects was introduced. The method which uses the relative gray change of objects and background in local small range can get a higher detecting probability and a lower false alarm rate. Some experiences proved that a good result to segment and get dim and small objects can be achieved without image difference.

Number of references:11

Main heading:Target tracking

Controlled terms:Image processing - Infrared radiation

Uncontrolled terms:Infrared dim and small objects - Object detection

Classification code:716.2 Radar Systems and Equipment - 723.2 Data Processing and Image Processing - 741 Light, Optics and Optical Devices

Treatment:Theoretical (THR)

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 208>

 

Accession number:20083811573104

Title:Intelligent measuring system for performance groupware of laser range finder

Authors:Wang, Guo-Fu (1); Guo, Yu (2); Wang, Tai-Hua (2); Liu, Qing-Hua (1); Chen, Liang-Yi (3)

Author affiliation:(1) Department of Information and Communication Engineering, Guilin University of Electronic Technology, Guilin 541004, China; (2) Department of Electronic Engineering and Automation, Henan Polytechnic University, Jiaozuo 454000, China; (3) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China

Corresponding author:Wang, G.-F.(gfwang@opt.ac.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:8

Issue date:August 2008

Publication year:2008

Pages:1652-1656

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:To meet the problem (low testing precision, simple function) of measuring system for laser range finders, a new intelligent measuring system is developed, which involves control technologies, quickly and convenient WIN32 computer soft ware and skillfully designed beam splitter system. It can synchronously measure optical axis consistency, width and energy of the pulse, beam divergence, field view and sensitive of antenna, and the whole performance of the system. A 2048 &times; 2048 CCD is adopted in order to ensure 5&Prime; of spatial resolving ability; A 15 GHz oscilloscope is used to catch the laser pulse as narrow as 100 ps; A laser power meter which has high accuracy and large dynamic scope is used to obtain accurate energy measurement of the laser pulse. The system has been checked and accepted.

Number of references:12

Main heading:Pulsed laser applications

Controlled terms:Charge coupled devices - Computer networks - Computer testing - Laser beams - Laser fusion - Laser pulses - Measurement theory - Measurements - Photolithography - Pulsed laser deposition  - Range finders

Uncontrolled terms:Beam performance - Measuring system - Measuring systems - Testing system for laser range finder

Classification code:813.1 Coating Techniques - 922 Statistical Methods - 932.2.1 Fission and Fusion Reactions - 941 Acoustical and Optical Measuring Instruments - 745.1 Printing - 941.3 Optical Instruments - 943 Mechanical and Miscellaneous Measuring Instruments - 943.1 Mechanical Instruments - 944 Moisture, Pressure and Temperature, and Radiation Measuring Instruments - 942 Electric and Electronic Measuring Instruments - 744.9 Laser Applications - 621.2 Fusion Reactors - 714.2 Semiconductor Devices and Integrated Circuits - 716 Telecommunication; Radar, Radio and Television - 717 Optical Communication - 404.1 Military Engineering - 718 Telephone Systems and Related Technologies; Line Communications - 723 Computer Software, Data Handling and Applications - 744.1 Lasers, General - 744.8 Laser Beam Interactions - 722 Computer Systems and Equipment

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 209>

 

Accession number:20090111830212

Title:Combining binary optics with achromats to revise secondary spectrum

Authors:Qu, En-Shi (1); Yang, Zheng (1); Wang, Gang (2); Cao, Jian-Zhong (1)

Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) CNGC Sicong Opto-Electronic, Xi'an 710043, China; (3) Graduate University, Chinese Academy of Sciences, Beijing 100049, China

Corresponding author:Qu, E.-S.(quenshi@163.com)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:11

Issue date:November 2008

Publication year:2008

Pages:2274-2278

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:The formula of secondary spectrum was deduced founding on the aberration theory. Based on the formula, both the traditional way of using CaF<inf>2</inf>, using PK-TK and the way of Binary optics to eliminate secondary spectrum were calculated and optimized by ZEMAX. Both methods could decrease the secondary spectrum while chromatism had compensated well. Based on the counteracted characteristics of secondary spectrum between traditional achromats and binary optics, it can badly decrease by combining them together in the long focal optical systems.

Number of references:9

Uncontrolled terms:Abbe number - Aberration theories - Binary optics - Partial dispersion - Secondary spectrum

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 210>

 

Accession number:20083511494024

Title:Tracking technique based on data forecast of photoelectric theodolite

Authors:Su, Xiu-Qin (1); Hao, Wei (1); Li, Zhe (1)

Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanics, CAS, Xi'an 710119, China; (2) Graduate University, Chinese Academy of Sciences, Beijing 100039, China

Corresponding author:Su, X.-Q.(xqsu@opt.ac.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:7

Issue date:July 2008

Publication year:2008

Pages:1464-1467

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:A forecast tracking technique based on complex angle about the tracker on the photoelectric theodolite is presented. In the course of tracking, the complex angle is computed based on the angle of theodolite and the offset of object. Then the next complex angle is forecasted according to the former complex angles and the linear dynamic model. Finally the object's position is well and truly computed in the image. The result shows that, the method realizes the forecast tracking technique, minishes processing area, improves the processing speed of tracker, and effectively avoids the disturbance of the false object outside the region.

Number of references:5

Main heading:Chlorine compounds

Controlled terms:Electric equipment - Forecasting - Photoelectricity

Uncontrolled terms:Complex angle - Data forecast - Linear dynamic model - Linear dynamic models - Offset - Photoelectric theodolite - Processing speeds

Classification code:701.1 Electricity: Basic Concepts and Phenomena - 704.2 Electric Equipment - 804.1 Organic Compounds - 912.2 Management

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 211>

 

Accession number:20081411180159

Title:Method for calculating the center position of collimated laser beam spots

Authors:Guojun, Wu (1); Lingling, Wu (1); Yuping, Cang (1); Liangyi, Chen (1)

Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanics, CAS, Xi'an 710119, China; (2) Graduate School, Chinese Academy of Sciences, Beijing 100039, China

Corresponding author:Guojun, W.(wuguojun@opt.ac.cn)

Source title:Proceedings of SPIE - The International Society for Optical Engineering

Abbreviated source title:Proc SPIE Int Soc Opt Eng

Volume:6834

Monograph title:Optical Design and Testing III

Issue date:2008

Publication year:2008

Article number:683421

Language:English

ISSN:0277786X

CODEN:PSISDG

ISBN-13:9780819470096

Document type:Conference article (CA)

Conference name:Optical Design and Testing III

Conference date:November 12, 2007 - November 15, 2007

Conference location:Beijing, China

Conference code:71662

Sponsor:Society of Photo-Optical Instrumentation Engineers (SPIE); Chinese Optical Society (COS)

Publisher:SPIE, P.O. Box 10, Bellingham WA, WA 98227-0010, United States

Abstract:It is a key problem of measuring warp making use of collimated laser how to accurately calculate laser beam's center. A new method, named double geometrical center method, is put forward. In this method, plane wave perpendicularly irradiates an aperture stop, and a charge couple device (CCD) is employed to receive diffraction-beam spots, then the geometrical centers of the first and second diffraction-beam spots are working-out respectively, and their mean value is regarded as the center of datum beam. In face of such adverse instances as intensity fluctuations of the laser beam spots, part of the image being saturated, this method can still work well. What's more, this method can detect whether an unacceptable error is exits in the courses of image receiving, processing and calculating. Experimental results indicate this method can remarkably improve the measurement accuracy.

Number of references:13

Main heading:Optical collimators

Controlled terms:Charge coupled devices - Error analysis - Geometrical optics - Laser beams - Optical variables measurement

Uncontrolled terms:Double geometrical center method - Geometrical centers - Laser beam spots

Classification code:714.2 Semiconductor Devices and Integrated Circuits - 741.1 Light/Optics - 741.3 Optical Devices and Systems - 744.8 Laser Beam Interactions - 921.6 Numerical Methods - 941.4 Optical Variables Measurements

Treatment:Theoretical (THR); Experimental (EXP)

DOI:10.1117/12.755275

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 212>

 

Accession number:20083811553423

Title:Study of the mechanisms of spectral broadening in high power semiconductor laser arrays

Authors:Liu, Xingsheng (1); Wang, Jingwei (1); Wei, Peiyong (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China

Corresponding author:Liu, X.

Source title:Proceedings - Electronic Components and Technology Conference

Abbreviated source title:Proc Electron Compon Technol Conf

Monograph title:2008 Proceedings 58th Electronic Components and Technology Conference, ECTC

Issue date:2008

Publication year:2008

Pages:1005-1010

Article number:4550099

Language:English

ISSN:05695503

CODEN:PECCA7

ISBN-13:9781424422302

Document type:Conference article (CA)

Conference name:2008 58th Electronic Components and Technology Conference, ECTC

Conference date:May 27, 2008 - May 30, 2008

Conference location:Lake Buena Vista, FL, United states

Conference code:73385

Publisher:Institute of Electrical and Electronics Engineers Inc., 445 Hoes Lane / P.O. Box 1331, Piscataway, NJ 08855-1331, United States

Abstract:High power semiconductor laser arrays have found increased applications in pumping of solid state laser systems for industrial, military and medical applications as well as direct material processing applications such as welding, cutting, and surface treatment. Semiconductor laser array products are required to have narrow spectral width for applications. Increasing the spectral accuracy by reducing the spectral width of the pump diode enables the laser system designer to improve the laser system compactness, efficiency, power, and beam quality while at the same time reducing thermal management cost in the system. Spectral width is one of the key specifications of laser array products and it is very important to improve the spectral performance to improve production yield, reduce cost and gain competitiveness. In this paper, we study the mechanisms of spectral broadening in high power semiconductor laser arrays. &copy;2008 IEEE.

Number of references:6

Main heading:Semiconductor lasers

Controlled terms:Applications - Competition - Computer networks - Cutting - DC generators - Electric conductivity - Heterojunctions - Industrial economics - Laser beam welding - Lasers  - Materials handling - Mechanisms - Medical applications - Military applications - Power electronics - Power quality - Pumping (laser) - Semiconducting indium - Semiconductor materials - Solid state lasers  - Surface treatment

Uncontrolled terms:High-power semiconductor lasers - Spectral widths

Classification code:718 Telephone Systems and Related Technologies; Line Communications - 717 Optical Communication - 716 Telecommunication; Radar, Radio and Television - 715.2 Industrial Electronic Equipment - 714.2 Semiconductor Devices and Integrated Circuits - 713.5 Electronic Circuits Other Than Amplifiers, Oscillators, Modulators, Limiters, Discriminators or Mixers - 931 Classical Physics; Quantum Theory; Relativity - 722 Computer Systems and Equipment - 911.2 Industrial Economics - 802 Chemical Apparatus and Plants; Unit Operations; Unit Processes - 744.9 Laser Applications - 744.4.1 Semiconductor Lasers - 744.4 Solid State Lasers - 744.1 Lasers, General - 723 Computer Software, Data Handling and Applications - 712.1.1 Single Element Semiconducting Materials - 712.1 Semiconducting Materials - 601.3 Mechanisms - 539 Metals Corrosion and Protection; Metal Plating - 538.2.1 Welding Processes - 461.1 Biomedical Engineering - 451.2 Air Pollution Control - 404.1 Military Engineering - 604.1 Metal Cutting - 606.2 Abrasive Devices and Processes - 691 Bulk Handling and Unit Loads - 701.1 Electricity: Basic Concepts and Phenomena - 705.2.2 DC Generators - 706.1.2 Electric Power Distribution - 604.2 Machining Operations

DOI:10.1109/ECTC.2008.4550099

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 213>

 

Accession number:20084311654120

Title:All-optical signal gating in cascaded LPGs of Ag nanoparticles incorporated germano-silicate optical fiber

Authors:Lin, Aoxiang (1); Watekar, Pramod R. (1); Liu, Xueming (1); Chung, Youngjoo (1); Han, Won-Taek (1)

Author affiliation:(1) Department of Information and Communications, School of Photon Science and Technology, Gwangju Institute of Science and Technology (GIST), 1 Oryong-dong, Buk-gu, Gwangju 500-712, Korea, Republic of; (2) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China

Corresponding author:Lin, A.(aoxiang.research@gmail.com)

Source title:2008 Joint Conference of the Opto-Electronics and Communications Conference and the Australian Conference On Optical Fibre Technology, OECC/ACOFT 2008

Abbreviated source title:Jt. Conf. Optoelectron. Commun. Conf. Aust. Conf. Opt. Fibre Technol., OECC/ACOFT

Monograph title:2008 Joint Conference of the Opto-Electronics and Communications Conference and the Australian Conference On Optical Fibre Technology, OECC/ACOFT 2008

Issue date:2008

Publication year:2008

Article number:4610448

Language:English

ISBN-10:0858258072

ISBN-13:9780858258075

Document type:Conference article (CA)

Conference name:2008 Joint Conference of the Opto-Electronics and Communications Conference and the Australian Conference On Optical Fibre Technology, OECC/ACOFT 2008

Conference date:July 7, 2008 - July 10, 2008

Conference location:Sydney, NSW, Australia

Conference code:73819

Publisher:Inst. of Elec. and Elec. Eng. Computer Society, 445 Hoes Lane - P.O.Box 1331, Piscataway, NJ 08855-1331, United States

Abstract:All-optical signal gating based on cross-phase modulation was demonstrated in the cascaded LPGs of the optical fiber incorporated with Ag-nanoparticles. 10% modulation depth of a signal at 499nm was obtained with pump intensity of 1GW/cm².

Number of references:10

Main heading:Fibers

Controlled terms:Fiber optics - Modulation - Nanoparticles - Nanostructures - Optical fibers - Optical materials - Optical signal processing - Silicates - Silver

Uncontrolled terms:Ag nanoparticles - Cross-phase modulations - Modulation depths - Optical signals - Pump intensities

Classification code:717 Optical Communication - 717.1 Optical Communication Systems - 718 Telephone Systems and Related Technologies; Line Communications - 741.1.2 Fiber Optics - 933 Solid State Physics - 741.3 Optical Devices and Systems - 812 Ceramics, Refractories and Glass - 817 Plastics and Other Polymers: Products and Applications - 819.4 Fiber Products - 761 Nanotechnology - 716.1 Information Theory and Signal Processing - 716 Telecommunication; Radar, Radio and Television - 414 Masonry Materials - 482.2 Minerals - 547.1 Precious Metals - 703 Electric Circuits - 708 Electric and Magnetic Materials - 712.1 Semiconducting Materials - 712.2 Thermionic Materials - 714.2 Semiconductor Devices and Integrated Circuits

DOI:10.1109/OECCACOFT.2008.4610448

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

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Accession number:20082711351451

Title:Advance deforming mirror faces of rotating mirror for streak camera

Authors:Huang, Hong-Bin (1); Chai, Jin-Long (1); Gong, Xiang-Dong (2); Li, Jing-Zhen (2); Sun, Feng-Shan (3); He, Tie-Feng (2)

Author affiliation:(1) College of Mechatronics and Control Engineering, Shenzhen University, Shenzhen 518060, China; (2) College of Electronics Science and Technology, Shenzheng University, Shenzhen 518060, China; (3) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China

Corresponding author:Huang, H.-B.(huanghb@szu.edu.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:5

Issue date:May 2008

Publication year:2008

Pages:1015-1019

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:The elastic deformations of mirror surfaces from three-faced to eight-faced rotating aluminous mirrors were analyzed by 3-D FEM. The results indicates that the deformation patterns of all mirrors in operation can be distinguished into three kinds: The surface of three-faced mirror is retuse, the surface of four-faced mirror looks like a saddle, and the shapes of whole surface express crowning outward for five, six, seven and eight-faced mirrors. The method of advance deformation for mirror faces was brought up on the basis of quantificational analysis: The even mirror faces are replaced with cylindrical surface so that the faces in operation can be flattened up. The results show that the relative departure magnitude between vertex of surface and even surface is 0.468&mu;m which is 1/9 times of even surface deformation magnitude for the mirror that mirror surface is 17.32 mm width and 32.5 mm length, and the rotate speed is 5 &times; 10⁴ rpm, and that the even surface of beryllium mirror is approximately 0.17&mu;m of deformation magnitude. So the aluminous mirror that its surfaces are cylindrical can replaces Be mirror.

Number of references:8

Main heading:Mirrors

Controlled terms:Cameras - Deformation - Geometrical optics - Rotation - Three dimensional

Uncontrolled terms:Advance deformation - Deformation patterns - FEM - Mirror surfaces - Rotate speed - Rotating mirrors - Streak camera - Surface deformations - Surface of rotating mirror

Classification code:421 Strength of Building Materials; Mechanical Properties - 723.5 Computer Applications - 741.1 Light/Optics - 741.3 Optical Devices and Systems - 742.2 Photographic Equipment - 931.1 Mechanics

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 215>

 

Accession number:20083011400941

Title:Ag nanocrystal-incorporated germano-silicate optical fiber with high resonant nonlinearity

Authors:Lin, Aoxiang (1); Liu, Xueming (2); Watekar, Pramod R. (1); Chung, Youngjoo (1); Han, Won-Taek (1)

Author affiliation:(1) Department of Information and Communications, School of Photon Science and Technology, Gwangju Institute of Science and Technology (GIST), Gwangju 500-712, Korea, Republic of; (2) State Key Laboratory of Transient Optics and Photonics, Xi'An Institute of Optics and Precision Mechanics (XIOPM), Chinese Academy of Sciences (CAS), Xi'an 710119, China

Corresponding author:Lin, A.(aoxiang.research@gmail.com)

Source title:Applied Physics Letters

Abbreviated source title:Appl Phys Lett

Volume:93

Issue:2

Issue date:July 14, 2008

Publication year:2008

Article number:021901

Language:English

ISSN:00036951

CODEN:APPLAB

Document type:Journal article (JA)

Publisher:American Institute of Physics, 2 Huntington Quadrangle, Suite N101, Melville, NY 11747-4502, United States

Abstract:Silver nanocrystal-incorporated germano-silicate optical fiber was fabricated by modified chemical vapor deposition and solution doping techniques. By measuring the wavelength shift of the fringes obtained from the long-period fiber grating pair, upon pumping with an argon-ion laser at 499 nm, the resonant nonlinear refractive index around 1550 nm was estimated to be 5.4&times; 10^-16 m² /W. The observed high resonant optical nonlinearity of the silver nanocrystal-incorporated fiber is attributed to the contribution from the surface plasmon resonance of silver nanocrystals embedded in the fiber core. &copy; 2008 American Institute of Physics.

Number of references:18

Main heading:Fiber optics

Controlled terms:Argon - Chemical vapor deposition - Fabrication - Fibers - Inert gases - Metallizing - Nanocrystalline alloys - Nanocrystals - Nanostructures - Nanotechnology  - Optical design - Optical fiber fabrication - Optical fibers - Optical materials - Optical properties - Organic polymers - Pulsed laser deposition - Pumping (laser) - Refractive index - Silicates  - Silver

Uncontrolled terms:1550 nm - Argon ion lasers - Long period fiber grating (LPFH) - Modified chemical vapor deposition (MCVD) - Nano crystals - Nonlinear refractive indices - Optical (PET) (OPET) - Resonant nonlinearity - Solution doping techniques - Wave length shifting

Classification code:761 Nanotechnology - 802.2 Chemical Reactions - 804 Chemical Products Generally - 804.2 Inorganic Compounds - 812 Ceramics, Refractories and Glass - 815.1.1 Organic Polymers - 913.4 Manufacturing - 744.9 Laser Applications - 414 Masonry Materials - 539.3 Metal Plating - 547.1 Precious Metals - 741.1 Light/Optics - 741.1.2 Fiber Optics - 741.3 Optical Devices and Systems - 744.1 Lasers, General

DOI:10.1063/1.2957029

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

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Accession number:20090711906884

Title:Up-conversion luminescence in Yb³⁺:Y<inf>2</inf>O<inf>3</inf> nano-powder

Authors:Pan, Yan (1); Lu, Min (1); Zou, Kuai-Sheng (1); Li, Wei-Nan (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Graduate University, Chinese Academy of Sciences, Beijing 100049, China

Corresponding author:Pan, Y.

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:SUPPL.

Issue date:November 2008

Publication year:2008

Pages:181-184

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:Using nitrates, ammonia and ammonium hydrogen carbonate as raw materials, Y<inf>(1.8)</inf>Yb<inf>(0.2)</inf>O<inf>3</inf> nano-powders were prepared via co-precipitation method. DTS (Dynamic Light Scattering) revealed that the average diameter of the particles was in the range of 40-80 nm. The up-conversion spectroscopic properties of the powders were investigated under the excitation of a 980 nm continuous wave diode laser. Strong green up-conversion emissions centered at 540 nm were respectively observed, which may been assigned to the strong interaction of 4f electrons and neighboring Yb³⁺ ions. This material could find applications in the fields of fluorescent labels and infrared detection.

Number of references:16

Main heading:Yttrium alloys

Controlled terms:Ammonium compounds - Hydrogen - Laser excitation - Light - Light emission - Luminescence - Luminescence of inorganic solids - Materials - Nanostructured materials - Nitrogen compounds  - Optical materials - Powders - Precipitation (chemical) - Quantum electronics - Quantum theory - Ytterbium - Yttrium - Yttrium oxide

Uncontrolled terms:4f-electrons - Ammonium hydrogen carbonates - Average diameters - Co-precipitation methods - Continuous-wave diode lasers - Fluorescent labels - Infrared detections - Optical material - Quantum effect - Spectroscopic properties  - Strong interactions - Up conversions - Up-conversion emissions - Up-conversion luminescence - Yb³⁺-doped yttrium oxide nano-powder

Classification code:804 Chemical Products Generally - 804.1 Organic Compounds - 804.2 Inorganic Compounds - 802.3 Chemical Operations - 931.2 Physical Properties of Gases, Liquids and Solids - 933.1 Crystalline Solids - 951 Materials Science - 931.4 Quantum Theory; Quantum Mechanics - 801.4 Physical Chemistry - 547.2 Rare Earth Metals - 549.3 Nonferrous Metals and Alloys excluding Alkali and Alkaline Earth Metals - 741.1 Light/Optics - 536 Powder Metallurgy - 741.3 Optical Devices and Systems - 744.9 Laser Applications - 761 Nanotechnology - 744 Lasers

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 217>

 

Accession number:20082011256179

Title:Uniform design method of the exposure time of X-ray picoseconds framing camera with gated microchannel plate

Authors:Yang, Wen-Zheng (1); Hou, Xun (1); Bai, Yong-Lin (1); Bai, Xiao-Hong (1); Tian, Jin-Shou (1); Liu, Bai-Yu (1); Zhao, Jun-Ping (1); Qin, Jun-Jun (1); Ouyang, Xian (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) School of Electronic and Information, Xi'an Jiaotong University, Xi'an 710049, China

Corresponding author:Yang, W.-Z.(ywz@opt.ac.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:3

Issue date:March 2008

Publication year:2008

Pages:439-443

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:The Uniform Design method is applied for the research of the X-ray Picoseconds Framing Camera with gated MCP (micro-channel plate), shortened form MCP-XPFC. On the bases of the theoretical models of picoseconds (ps) voltage pulse gated MCP-XPFC (L = 0.5 mm, L/D = 40), the fast forecast model of exposure time of MCP-XPFC is put forward. It can accurately replace the theoretical models within the range of experimental parameter and highly enhance the work efficiency. The curves of exposure time versus the width and amplitude of picoseconds high voltage pulse respectively are all the parabola type and there are the interaction on exposure time induced by the width and amplitude of gated pulse. The forecast model is checked by using two groups gated experimental pulses and the error is analyzed at last of this paper.

Number of references:10

Main heading:X ray cameras

Controlled terms:Microchannels

Uncontrolled terms:Exposure time - Microchannel plate (MCP) - Uniform design - X ray framing camera (XFC)

Classification code:742.2 Photographic Equipment

Treatment:Experimental (EXP)

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 218>

 

Accession number:20080311021378

Title:Analysis of polarization dependence for OTDM demultiplexers based on four-wavelength mixing in semiconductor optical amplifier

Authors:Xie, Xiao-Ping (1); Zhang, Jian-Guo (1); Zhao, Wei (1); Wen, Yu (2)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy Sciences, Xi'an, 710119, China; (2) Xi'an Communication College, Xi'an, 710106, China; (3) Department of Electrical, Computer and Communications Engineering, London South Bank University, 103 Borough Road, London, SE1 0AA, United Kingdom

Corresponding author:Xie, X.-P.(westforumer@gmail.com)

Source title:Optics Communications

Abbreviated source title:Opt Commun

Volume:281

Issue:5

Issue date:March 1, 2008

Publication year:2008

Pages:958-964

Language:English

ISSN:00304018

CODEN:OPCOB8

Document type:Journal article (JA)

Publisher:Elsevier, P.O. Box 211, Amsterdam, 1000 AE, Netherlands

Abstract:In optical time-division multiplexing (OTDM) systems using the four-wave mixing (FWM) in a semiconductor optical amplifier (SOA) for time demultiplexing, the polarization states of control pulse and OTDM data lights are an important factor in the optical time demultiplexing process, which can influence the bit error rate (BER) of OTDM systems. In this paper, we analyze the effect of light polarization states on the FWM of a SOA, and use a simulation approach to study the BER performance of 100 Gbit/s OTDM systems that use the FWM in a SOA for optical time demultiplexing. It reveals that the BER or Q factor of OTDM systems is dependent on the misalignment &theta; between the polarization states of OTDM data and control lights. With increasing &theta;, both the optical power of resulting FWM component and the BER performance (or Q factor) of OTDM systems is degraded. For linearly polarized lights, our results show that the increase of BER and the reduction in Q factor are made smoothly when &theta; changes its value from 0&deg; to 75&deg;, whereas the degradation of BER and Q factor becomes rapid when &theta; exceeds 75&deg;. Although the best system BER is obtained for &theta; = 0&deg;, the BER performance can still tolerate some misalignment &theta; (e.g., up to 20&deg; in our simulation). This is useful for the engineering design and applications of SOA-based optical time demultiplexers. &copy; 2007 Elsevier B.V. All rights reserved.

Number of references:17

Main heading:Demultiplexing

Controlled terms:Bit error rate - Computer simulation - Four wave mixing - Optical communication - Polarization - Semiconductor optical amplifiers - Time division multiplexing

Uncontrolled terms:Four wavelength mixing - Optical time demultiplexers - Optical time division multiplexing (OTDM) - Polarization state

Classification code:741.1 Light/Optics - 723.5 Computer Applications - 723.1 Computer Programming - 744.4 Solid State Lasers - 717.1 Optical Communication Systems - 714.2 Semiconductor Devices and Integrated Circuits - 711.1 Electromagnetic Waves in Different Media - 716 Telecommunication; Radar, Radio and Television

Treatment:Theoretical (THR)

DOI:10.1016/j.optcom.2007.10.069

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 219>

 

Accession number:20081211158179

Title:Experimental study of phase-locking of two photonic crystal fiber lasers

Authors:Duan, Kailiang (1); Wang, Jianming (1); Li, Jianfeng (1); Wang, Yishan (1); Zhao, Zhenyu (1); Zhao, Wei (1)

Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an, 710119, China

Corresponding author:Duan, K.(kl.duan@tom.com)

Source title:Optics Communications

Abbreviated source title:Opt Commun

Volume:281

Issue:9

Issue date:May 1, 2008

Publication year:2008

Pages:2557-2560

Language:English

ISSN:00304018

CODEN:OPCOB8

Document type:Journal article (JA)

Publisher:Elsevier, P.O. Box 211, Amsterdam, 1000 AE, Netherlands

Abstract:Two photonic crystal fiber (PCF) lasers are phase-locked by using self-imaging resonator techniques. Obvious and steady interference strips are observed even without using spatial filter in high power operation, which demonstrates the advantages of pure single-mode PCF lasers in coherent beam combining. The maximum coherent output power of 95.8 W is obtained with coupling efficiency of 90.2%. &copy; 2008 Elsevier B.V. All rights reserved.

Number of references:9

Main heading:Fiber lasers

Controlled terms:Imaging systems - Phase locked loops - Photonic crystals - Resonators

Uncontrolled terms:Interference strip - Phase locking - Photonic crystal fibers (PCF) - Self imaging resonators - Spatial filters

Classification code:713.5 Electronic Circuits Other Than Amplifiers, Oscillators, Modulators, Limiters, Discriminators or Mixers - 714 Electronic Components and Tubes - 741.3 Optical Devices and Systems - 744.4 Solid State Lasers - 746 Imaging Techniques

Treatment:Theoretical (THR); Experimental (EXP)

DOI:10.1016/j.optcom.2007.12.086

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 220>

 

Accession number:20091311978459

Title:Characteristics of active mode-locked fiber ring laser based on semiconductor optical amplifier

Authors:Yan, Shuangyi (1); Zhang, Jianguo (3); Zhou, Jun (4); Zhao, Wei (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Graduate School, Chinese Academy of Sciences, Beijing 100039, China; (3) Department of Electrical, Computer and Communications Engineering, London South Bank University, 103 Borough Road, London SE1 0AA, United Kingdom; (4) Ministry of Army Aviation, Headquarters of the General Staff

Corresponding author:Yan, S.(nechoyan@gmail.com)

Source title:Proceedings of SPIE - The International Society for Optical Engineering

Abbreviated source title:Proc SPIE Int Soc Opt Eng

Volume:7134

Monograph title:Passive Components and Fiber-based Devices V

Issue date:2008

Publication year:2008

Article number:71342X

Language:English

ISSN:0277786X

CODEN:PSISDG

Document type:Conference article (CA)

Conference name:Passive Components and Fiber-based Devices V

Conference date:October 27, 2008 - October 30, 2008

Conference location:Hangzhou, China

Conference code:75934

Publisher:SPIE, P.O. Box 10, Bellingham WA, WA 98227-0010, United States

Abstract:An active mode-locked fiber ring laser based on XGM in SOAs is demonstrated with an external pulse sequence. The laser operates at a variable repetition rate from 1GHz to 15GHz, even up to 40GHz with an additional fiber-based multiplexer. By a wavelength tunable filter, a wide wavelength tunable span about 37nm is achieved continuously between 1528nm to 1565nm. Without any pulse compression device, the pulse sequence with low pulsewidth about 12ps and high output power about 9dBm can be obtained in different operation repetition rate. The output pulses show a time jitter low than 180fs in all operation repetition rate. A detailed analysis is done experimentally to investigate the relationship between parameters of the SOA-based fiber ring laser and pulsewidth of the generated mode-locked pulses. &copy; 2008 SPIE.

Number of references:17

Main heading:Pulsed laser applications

Controlled terms:Electric conductivity - Fiber lasers - Jitter - Lasers - Optical switches - Optoelectronic devices - Ring lasers - Semiconductor materials - Semiconductor optical amplifiers - Textile fibers

Uncontrolled terms:Compression devices - Fiber-ring lasers - High output power - Mode-locked - Mode-locked lasers - Mode-locked pulse - Output pulse - Pulse sequences - Pulse widths - Repetition rates  - Repetition tunable - Time jitter - Wavelength tunable - Wavelength tunable filters

Classification code:741.1.2 Fiber Optics - 741.3 Optical Devices and Systems - 744 Lasers - 819.2 Synthetic Fibers - 744.1 Lasers, General - 744.9 Laser Applications - 819.1 Natural Fibers - 744.4 Solid State Lasers - 722.3 Data Communication, Equipment and Techniques - 718 Telephone Systems and Related Technologies; Line Communications - 701.1 Electricity: Basic Concepts and Phenomena - 712.1 Semiconducting Materials - 714.2 Semiconductor Devices and Integrated Circuits - 716 Telecommunication; Radar, Radio and Television - 717 Optical Communication - 717.2 Optical Communication Equipment

DOI:10.1117/12.802517

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 221>

 

Accession number:20084311658165

Title:Aptitude tracking arithmetic based on high precision searching of moving target key frame

Authors:Tang, Zi-Li (1); Ma, Cai-Wen (1); Li, Shen (1); Chen, Hao (1)

Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanics, CAS, Xi'an 710068, China; (2) Graduate University, Chinese Academy of Sciences, Beijing 100039, China; (3) China Huayin Ordnance Test Center, Huayin 714200, China

Corresponding author:Tang, Z.-L.(dixonzheng@gmail.com)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:9

Issue date:September 2008

Publication year:2008

Pages:1912-1916

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:Aiming at the different character of target in different moving moment and enhancing the stability of tracking, an effective aptitude tracking arithmetic is proposed based on high precision searching the moving target key frame. When the target's moving state changed in the course of tracking, the arithmetic could capture this transformation and work out the aptitude cognizance and afford a command to the servo system to adjust the tracking way. The synthetic and real application in the shooting range testing show that the arithmetic can give the results of high precision, good tracking stability, high succeed ratio of tracking.

Number of references:10

Main heading:Targets

Controlled terms:Digital arithmetic - Mathematical transformations - System stability

Uncontrolled terms:Aptitude tracking - High precision - Key frame - Searching - Threshold

Classification code:721.1 Computer Theory, Includes Formal Logic, Automata Theory, Switching Theory, Programming Theory - 731.4 System Stability - 921.3 Mathematical Transformations - 921.6 Numerical Methods - 932.1.1 Particle Accelerators - 961 Systems Science

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 222>

 

Accession number:20082011253116

Title:Preparation and optical property of a novel hydrophobic anti-reflection coating for KDP crystal

Authors:Yang, Yuting (1); Zhang, Qinghua (3); Xu, Qiao (3); Li, Wei (3); Wei, Wei (1); Peng, Bo (1)

Author affiliation:(1) State Key Laboratory for Advanced Photonic Materials and Devices, Fudan University, Shanghai, 200433, China; (2) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and precision Mechanics, Chinese Academy of Science (CAS) Xi'an, Shaanxi 710119, China; (3) Chengdu Fine Optical Engineering Centre, Chengdu, 610014, China

Corresponding author:Wei, W.(iamww@fudan.edu.cn)

Source title:Materials Letters

Abbreviated source title:Mater Lett

Volume:62

Issue:17-18

Issue date:June 30, 2008

Publication year:2008

Pages:2960-2962

Language:English

ISSN:0167577X

CODEN:MLETDJ

Document type:Journal article (JA)

Publisher:Elsevier, P.O. Box 211, Amsterdam, 1000 AE, Netherlands

Abstract:A novel inorganic-organic hybrid hydrophobic anti-reflection silica film used for laser crystal was obtained by sol-gel process. The film consisted of silica sols mixed with a small amount of polymethyl methacrylate (PMMA) or polystyrene (PS). The optical transparency, hydrophobic property and surface morphology of the film were characterized by UV-VIS-NIR spectrophotometer; contact angle instrument and Scanning Electron Microscopy (SEM), respectively. The results showed that the anti-reflection coating had good hydrophobility and optical transparency from 400&nbsp;nm to 1200&nbsp;nm. The contact angle reached to 130-140&deg;. SEM images indicated the hydrophobic films modified with PMMA or PS had compact structure compared to the pure silica sol film. &copy; 2008 Elsevier B.V. All rights reserved.

Number of references:13

Main heading:Antireflection coatings

Controlled terms:Contact angle - Hydrophobicity - Optical materials - Scanning electron microscopy - Sol-gel process - Surface morphology - Transparency

Uncontrolled terms:Hydrophobic films - Laser crystals

Classification code:741.1 Light/Optics - 741.3 Optical Devices and Systems - 812.3 Glass - 813.2 Coating Materials - 931.2 Physical Properties of Gases, Liquids and Solids

Treatment:Theoretical (THR); Experimental (EXP)

DOI:10.1016/j.matlet.2008.01.117

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 223>

 

Accession number:20080911123446

Title:Enhancement-mode thin film transistor with nitrogen-doped ZnO channel layer deposited by laser molecular beam epitaxy

Authors:Zhang, Xin-An (1); Zhang, Jing-Wen (1); Zhang, Wei-Feng (2); Wang, Dong (1); Bi, Zhen (1); Bian, Xu-Ming (1); Hou, Xun (1)

Author affiliation:(1) Key Laboratory of Photonics Technology for Information, Shanxi province, Xi'an Jiaotong University, Xi'an, 710049, China; (2) School of Physics and Electronics, Henan University, Kaifeng, 475001, China; (3) Key Laboratory for Physical Electronics and Devices, Ministry of Education, Xi'an Jiaotong University, Xi'an, 710049, China; (4) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an, 710068, China

Corresponding author:Zhang, J.-W.(jwzhang@mail.xjtu.edu.cn)

Source title:Thin Solid Films

Abbreviated source title:Thin Solid Films

Volume:516

Issue:10

Issue date:March 31, 2008

Publication year:2008

Pages:3305-3308

Language:English

ISSN:00406090

CODEN:THSFAP

Document type:Journal article (JA)

Publisher:Elsevier, P.O. Box 211, Amsterdam, 1000 AE, Netherlands

Abstract:The thin film transistors (TFTs) based on nitrogen doped zinc oxide (ZnO) were investigated by laser molecular beam epitaxy. The increase of ZnO films' resistivity by nitrogen doping was found and applied in enhancement mode ZnO-TFTs. The ZnO-TFTs with a conventional bottom-gate structure were fabricated on thermally oxidized p-type silicon substrate. Electrical measurement has revealed that the devices operate as an n-channel enhancement mode and exhibit an on/off ratio of 10⁴. The threshold voltage is 5.15&nbsp;V. The channel mobility on the order of 2.66&nbsp;cm² V^{- 1} s^{- 1} has been determined. &copy; 2007 Elsevier B.V. All rights reserved.

Number of references:14

Main heading:Thin film transistors

Controlled terms:Doping (additives) - Molecular beam epitaxy - Silicon - Zinc oxide

Uncontrolled terms:Channel mobility - Silicon substrate

Classification code:549.3 Nonferrous Metals and Alloys excluding Alkali and Alkaline Earth Metals - 712.1 Semiconducting Materials - 714.2 Semiconductor Devices and Integrated Circuits - 804.2 Inorganic Compounds - 931.3 Atomic and Molecular Physics - 933.1.2 Crystal Growth

Treatment:Theoretical (THR); Experimental (EXP)

DOI:10.1016/j.tsf.2007.09.034

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 224>

 

Accession number:20084011619678

Title:Theoretical investigation on structural, electronic and optical properties of Sb-doped ZnO

Authors:Zhang, F.H. (1); Zhang, Z.Y. (1); Zhang, W.H. (1); Xue, S.Q. (2); Yun, J.N. (3); Yan, J.F. (3)

Author affiliation:(1) Xi'An Institute of Optics and Precision Mechanics, Acadecmia Sinica, 710068; (2) College of Physics and Electronic Information, Yan'An University, Yan'an, 716000; (3) Information Science and Technology Institution, Northwest University, Xi'an 710127

Corresponding author:Zhang, F. H.

Source title:2008 2nd IEEE International Nanoelectronics Conference, INEC 2008

Abbreviated source title:IEEE Int. Nanoelectronics Conf., INEC

Monograph title:2008 2nd IEEE International Nanoelectronics Conference, INEC 2008

Issue date:2008

Publication year:2008

Pages:681-685

Article number:4585577

Language:English

ISBN-13:9781424415731

Document type:Conference article (CA)

Conference name:2008 2nd IEEE International Nanoelectronics Conference, INEC 2008

Conference date:March 24, 2008 - March 27, 2008

Conference location:Shanghai, China

Conference code:73562

Publisher:Inst. of Elec. and Elec. Eng. Computer Society, 445 Hoes Lane - P.O.Box 1331, Piscataway, NJ 08855-1331, United States

Abstract:The geometric structure, electronic structure, and the formation energy of impurities of Sb-doped ZnO with wurtzite structures have been investigated using a first-principles ultra-soft pseudo-potential approach of the plane wave based upon the Density Functional Theory(DFT). The calculated results indicate that the volume of ZnO doped with sb add up, and the sb substitutional system of ZnO yields the lowest the formation energy of impurities. Furthermore, Sb dopant occupy the octahedral sites of wurtzte lattice behaves as a deep acceptor and shows p type degenerate semiconductor character. In addition, the DOS moves towards lower energy and the optical band gap is broadened. It is also found that our results are in good agreement with other experimental results, the calculated results also enables more precise monitoring and controlling during the growth of ZnO p-type materials as possible. Index Terms - Zinc oxide, a first principles, doped, density function theory(DFT), &copy; 2008 IEEE.

Number of references:12

Main heading:Semiconducting zinc compounds

Controlled terms:Density functional theory - Electronic structure - Electronics engineering - Nanoelectronics - Optical properties - Probability density function - Semiconducting cadmium telluride - Semiconductor growth - Zinc alloys - Zinc oxide  - Zinc sulfide

Uncontrolled terms:Deep acceptors - First-principles - Formation energies - Geometric structures - Lower energies - Octa hedral sites - Optical band gaps - Plane waves - Precise monitoring - Sb-doped  - Wurtzite structures

Classification code:931.1 Mechanics - 922.1 Probability Theory - 804.2 Inorganic Compounds - 761 Nanotechnology - 741.1 Light/Optics - 713 Electronic Circuits - 712.1.2 Compound Semiconducting Materials - 712.1 Semiconducting Materials - 546.3 Zinc and Alloys

DOI:10.1109/INEC.2008.4585577

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 225>

 

Accession number:20102012943037

Title:10 GHz wavelength tunable active mode-locked fiber ring laser based on semiconductor optical amplifier

Authors:Yan, Shuangyi (1); Zhang, Jian-Guo (2); Zhao, Wei (1)

Author affiliation:(1) Xi'An Institute of Optics and Precision Mechanics, CAS, Xi'an 710119, China; (2) London South Bank University, 103 Borough Road, London SE1 0AA, United Kingdom

Corresponding author:Yan, S.(nechoyan@gmail.com)

Source title:Proceedings of the 2008 International Conference on Advanced Infocomm Technology, ICAIT '08

Abbreviated source title:Proc. Int. Conf. Adv. Infocomm Technol., ICAIT

Monograph title:Proceedings of the 2008 International Conference on Advanced Infocomm Technology, ICAIT '08

Issue date:2008

Publication year:2008

Article number:19

Language:English

ISBN-13:9781605580883

Document type:Conference article (CA)

Conference name:2008 International Conference on Advanced Infocomm Technology, ICAIT '08

Conference date:July 29, 2008 - July 31, 2008

Conference location:Shenzhen, China

Conference code:80346

Publisher:Association for Computing Machinery, 1515 Broadway, 17th Floor, New York, NY 10036-5701, United States

Abstract:A 10GHz Semiconductor optical amplifier (SOA) based active mode-locked fiber ring laser with a forward injection optical pulse sequence is demonstrated with a wide wavelength tunable span in this paper. The laser can generate pulse sequence with pulsewidth around 12ps without any external pulse compression and high output power up to 10.75dBm at 10GHz stably. Incorporated with a tunable optical bandpass filter, about 35nm wavelength tunable span is achieved. A detailed experimental analysis is done about the influences of the characteristics of external pulse sequences and some key factors of the cavity on the pulsewidth of the output pulse sequence. Copyright &copy; 2008 ACM.

Number of references:9

Main heading:Mode-locked fiber lasers

Controlled terms:Bandpass filters - Fiber lasers - Optical switches - Optoelectronic devices - Pulse generators - Pulsed laser applications - Ring lasers - Semiconductor optical amplifiers - Tuning

Uncontrolled terms:Active mode - Cross gain modulation - Experimental analysis - Fiber-ring lasers - High output power - Key factors - Mode-locked - Optical bandpass filters - Optical pulse sequences - Output pulse  - Pulse sequence - Pulsewidths - Wavelength tunable - Wavelength tuning

Classification code:744.9 Laser Applications - 744.4 Solid State Lasers - 744.1 Lasers, General - 744 Lasers - 741.3 Optical Devices and Systems - 741.1.2 Fiber Optics - 717.2 Optical Communication Equipment - 716.4 Television Systems and Equipment - 716.3 Radio Systems and Equipment - 714.2 Semiconductor Devices and Integrated Circuits - 713.4 Pulse Circuits - 713 Electronic Circuits - 703.2 Electric Filters

DOI:10.1145/1509315.1509334

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 226>

 

Accession number:20090611901688

Title:Application of moir&#233; fringe in autocollimator

Authors:Wu, Wen-Ming (1); Gao, Li-Min (1); Wu, Yi-Ming (1); Wu, Cui-Gang (1)

Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Graduate University, Chinese Academy of Sciences, Beijing 100049, China

Corresponding author:Wu, W.-M.(zjuoscar@hotmail.com)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:12

Issue date:December 2008

Publication year:2008

Pages:2544-2547

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:In order to improve the precision of autocollimator, Moire&acute; fringe was used in the optical system. Indicate grating was imaged in CCD instead of single slit, CCD was considered as a ruled grating, and then Moire&acute; fringe was formed by the indicate grating overlaped to the ruled grating. The results show that the resolution of displacement of Moire&acute; fringe can be improved into sub-pixel, and the resolution of autocollimator can be improved into milli-arcsec. The resolution of the method was four times than the method of direct detection.

Number of references:5

Main heading:Optical systems

Controlled terms:Charge coupled devices - Digital cameras

Uncontrolled terms:Autocollimator - Direct detections - Optical subdivision - Single slits - Sub pixels

Classification code:714.2 Semiconductor Devices and Integrated Circuits - 741.3 Optical Devices and Systems - 742.2 Photographic Equipment

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 227>

 

Accession number:20090711910059

Title:Experimental study of gain characteristics of high power photonic crystal fiber amplifier

Authors:Zhao, Zhen-Yu (1); Duan, Kai-Liang (1); Wang, Jian-Ming (1); Zhao, Wei (1); Wang, Yi-Shan (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Graduate University, Chinese Academy of Sciences, Beijing 100049, China

Corresponding author:Zhao, Z.-Y.(zhaozhenyu513@gmail.com)

Source title:Qiangjiguang Yu Lizishu/High Power Laser and Particle Beams

Abbreviated source title:Qiangjiguang Yu Lizishu

Volume:20

Issue:12

Issue date:December 2008

Publication year:2008

Pages:1975-1978

Language:Chinese

ISSN:10014322

CODEN:QYLIEL

Document type:Journal article (JA)

Publisher:Editorial Office of High Power Laser and Particle Beams, P.O. Box 919-805, Mianyang, 621900, China

Abstract:The gain characterization of photonic crystal fiber amplifier is theoretically and experimentally studied by using double-side pumped technique. The gain curves for different pumping power and different signal lights are obtained experimentally. When the power of the probe light is 6 W and the total pump power is 150.2 W, the output power, up to 72 W and the slope efficiency 60%, have been achieved eventually with double-side pumped. It is found in the experiment that when the total pump power is increased over a certain value, the parasitic oscillation and the self-pulsation are observed in the amplifier, because of the resonant cavity caused by the surface reflection of fiber and nonlinear effect, and in turn this degrades the system performance.

Number of references:16

Main heading:Photonic crystals

Controlled terms:Crystal atomic structure - Crystal whiskers - Fiber amplifiers - Fiber lasers - Fibers - Laser pulses - Photonic crystal fibers - Pumping (laser) - Pumps - Signaling  - Ytterbium

Uncontrolled terms:Double-side pumped - Fiber amplifier - Fiber laser - Gain - Photonic crystal fiber - Yb-doped fiber

Classification code:801.4 Physical Chemistry - 812 Ceramics, Refractories and Glass - 817 Plastics and Other Polymers: Products and Applications - 933.1.1 Crystal Lattice - 819.4 Fiber Products - 931.3 Atomic and Molecular Physics - 933.1 Crystalline Solids - 914.1 Accidents and Accident Prevention - 744.4 Solid State Lasers - 744.1 Lasers, General - 404 Civil Defense and Military Engineering - 531.2 Metallography - 547.2 Rare Earth Metals - 618.2 Pumps - 741.1.2 Fiber Optics - 741.3 Optical Devices and Systems

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 228>

 

Accession number:20083711525770

Title:Discussion of illuminance formula in optical design

Authors:Qu, Enshi (0); Zhang, Hengjin (0); Cao, Jianzhong (0); Yang, Zheng (0)

Corresponding author:Qu, E.(quenshi@163.com)

Corr. author affiliation:Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China

Source title:Guangxue Xuebao/Acta Optica Sinica

Abbreviated source title:Guangxue Xuebao

Volume:28

Issue:7

Issue date:July 2008

Publication year:2008

Pages:1364-1368

Language:Chinese

ISSN:02532239

CODEN:GUXUDC

Document type:Journal article (JA)

Publisher:Chinese Optical Society, Xi'an, 710068, China

Abstract:Some improper points of system illuminance formula in the optics textbook and optical software have been found and analyzed, and more practical formula have been deduced. On the assumption that an optical lens is a passive transfer system, after analysis of the original formula the relationship of the off-axial field of view with the relative illuminance is cos⁴&omega;. When the field angle in image space becomes smaller, the energy will be enlarged, which is impractical in a passive transfer system. Then, by taking entrance pupil as reference, we recalculate the illuminance formula and obtain a reasonable one. Software simulation validates the new function. And the illuminance of image plane off-axial fields is proportional to the cos⁴&omega; of the objective field angle.

Number of references:13

DOI:10.3788/AOS20082807.1364

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 229>

 

Accession number:20084311658133

Title:Temporal analysis of open-circuit low-amplitude photovoltaic spatial solitons

Authors:Zhang, Lei (1); Lu, Ke-Qing (1); Yang, Yang (1); Yang, Yan-Long (1); Zhang, Mei-Zhi (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academic of Sciences, Xi'an 710119, China; (2) Graduate University, Chinese Academy of Sciences, Beijing 100039, China

Corresponding author:Zhang, L.(lei_zhang312@126.com)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:9

Issue date:September 2008

Publication year:2008

Pages:1760-1763

Language:English

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:The propagation properties and the evolution of intensity width under open-circuit conditions in low-amplitude regime for one-dimensional photovoltaic spatial solitons were analyzed. The results indicates that a broad soliton is generated at the beginning, and as time evolves, the intensity width of photovoltaic spatial solitons decreases monotonously to a minimum value toward steady state. The time of the whole process requiring is close to a certain value equals to the dielectric relaxation time in the absence of an illuminating field for different ratios of soliton, which are the ratio between the peak intensity of the soliton and dark irradiance. The analytical solutions of both dark and bright solitons were exhibited as time extended infinitely. Relevant examples were visualized through numerical methods.

Number of references:15

Main heading:Solitons

Controlled terms:Dielectric relaxation - Electric network analysis - Numerical methods

Uncontrolled terms:Analytical solutions - Bright solitons - Dark irradiances - Low-amplitude - Minimum values - Peak intensities - Photovoltaic - Propagation properties - Spatial solitons - Steady states  - Temporal analysis - Temporal behavior

Classification code:931.3 Atomic and Molecular Physics - 931.2 Physical Properties of Gases, Liquids and Solids - 921.6 Numerical Methods - 921.1 Algebra - 708.1 Dielectric Materials - 703.1.1 Electric Network Analysis - 701 Electricity and Magnetism

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 230>

 

Accession number:20091311986205

Title:Excitonic optical absorption in semiconductors under intense terahertz radiation

Authors:Zhang, Tong-Yi (1); Zhao, Wei (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'An Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China

Corresponding author:Zhang, T.-Y.(tyzhang@opt.ac.cn)

Source title:Chinese Physics B

Abbreviated source title:Chin. Phys.

Volume:17

Issue:11

Issue date:2008

Publication year:2008

Pages:4285-4291

Language:English

ISSN:16741056

Document type:Journal article (JA)

Publisher:Institute of Physics Publishing, Temple Back, Bristol, BS1 6BE, United Kingdom

Abstract:The excitonic optical absorption of GaAs bulk semiconductors under intense terahertz (THz) radiation is investigated numerically. The method of solving initial-value problems, combined with the perfect matched layer technique, is used to calculate the optical susceptibility. In the presence of a driving THz field, in addition to the usual exciton peaks, 2p replica of the dark 2p exciton and even-THz-photon-sidebands of the main exciton resonance emerge in the continuum above the band edge and below the main exciton resonance. Moreover, to understand the shift of the position of the main exciton peak under intense THz radiation, it is necessary to take into consideration both the dynamical Franz-Keldysh effect and ac Stark effect simultaneously. For moderate frequency fields, the main exciton peak decreases and broadens due to the field-induced ionization of the excitons with THz field increasing. However, for high frequency THz fields, the characteristics of the exciton recur even under very strong THz fields, which accords with the recent experimental results qualitatively. &copy; 2008 Chin. Phys. Soc. and IOP Publishing Ltd.

Number of references:56

Main heading:Excitons

Controlled terms:Absorption - Crystals - Electric conductivity - Electromagnetic wave emission - Initial value problems - Light absorption - Multiphoton processes - Resonance - Semiconductor materials

Uncontrolled terms:Ac stark effects - Band edges - Bulk semiconductors - Dynamical Franz-Keldysh effect - Exciton peaks - Exciton resonances - Field-induced ionizations - Frequency fields - GaAs - High frequencies  - Optical absorption - Optical susceptibilities - Perfect matched layers - Terahertz radiation - Thz fields - Thz radiations

Classification code:801.4 Physical Chemistry - 802.3 Chemical Operations - 921.2 Calculus - 931.1 Mechanics - 931.2 Physical Properties of Gases, Liquids and Solids - 931.3 Atomic and Molecular Physics - 933.1 Crystalline Solids - 751.1 Acoustic Waves - 482.2 Minerals - 701 Electricity and Magnetism - 701.1 Electricity: Basic Concepts and Phenomena - 711 Electromagnetic Waves - 712.1 Semiconducting Materials - 741.1 Light/Optics - 744.1 Lasers, General

DOI:10.1088/1674-1056/17/11/054

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 231>

 

Accession number:20083911590200

Title:Kinetics of photoinduced anisotropy in bacteriorhodopsin film under two pumping beams

Authors:Han, Junhe (1); Yao, Baoli (1); Gao, Peng (1); Chen, Liju (1); Wang, Yingli (1); Lei, Ming (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Graduate School, Chinese Academy of Sciences, Beijing 100049, China; (3) School of Physics and Electronics, Henan University, Kaifeng 475004, China

Corresponding author:Yao, B.(yaobl@opt.ac.cn)

Source title:Applied Optics

Abbreviated source title:Appl. Opt.

Volume:47

Issue:21

Issue date:July 20, 2008

Publication year:2008

Pages:3760-3766

Language:English

ISSN:1559128X

E-ISSN:15394522

CODEN:APOPAI

Document type:Journal article (JA)

Publisher:Optical Society of America, 2010 Massachusetts Ave, NW, Washington, DC, DC 20036-1023, United States

Abstract:Photoinduced anisotropy in bacteriorhodopsin (BR) film arises from the selective bleaching of BR molecules to linearly polarized light. The kinetics of photoinduced anisotropy excited by single and two pumping beams are investigated theoretically and experimentally. Compared with a single pumping beam (650 nm), which produces comparatively small photoinduced anisotropy, dual-wavelength linearly polarized pumping beams (650 and 405 nm) can obviously change the photoinduced anisotropy. When the polarization orientation of the 405 nm pumping beam is perpendicular to that of the 650 nm pumping beam, the peak and steady values of the photoinduced anisotropy kinetic curves are remarkably enhanced. But when the two pumping beams have parallel polarization orientation, the peak and steady values are restrained. At a fixed intensity of the 650 nm pumping beam, there exists an optimal intensity for the 405 nm pumping beam to maximize the value of the photoinduced anisotropy. The photoinduced transmittance of the polarizer-BR-analyzer system is modulated by the polarization angle of the 405 nm pumping beam in an approximate-cosine form. &copy; 2008 Optical Society of America.

Number of references:17

Main heading:Crystallography

Controlled terms:Anisotropy - Polarization

Uncontrolled terms:Analyzer system - Bacteriorhodopsin (bR) - Bacteriorhodopsin films - Dual-wavelength - Kinetic curves - Linearly polarized - Linearly polarized light - Parallel polarization - Photo-induced - Photo-induced anisotropy  - Polarization angles - Polarization orientations

Classification code:701.1 Electricity: Basic Concepts and Phenomena - 931.2 Physical Properties of Gases, Liquids and Solids - 933.1 Crystalline Solids

DOI:10.1364/AO.47.003760

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 232>

 

Accession number:20083011401753

Title:Research on capture rate of the 4 &times; 4 m² CCD measurement system

Authors:Li, Hua (0); Lei, Lei (0); Chang, He-Min (0); Li, Guo-Fu (0)

Corresponding author:Li, H.

Corr. author affiliation:Xi'an Institute of Optics and Precision Mechanics, CAS, Xi'an 710119, China

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:6

Issue date:June 2008

Publication year:2008

Pages:1238-1241

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, Xi'an, 710068, China

Abstract:A specific 4 &times; 4 m² CCD measurement system is designed. The system consists of high-power semiconductor laser lighting bullets, narrow-band filter to restrain sky noises, high-speed linear CCD real-time image processing and other key technologies. These technologies are useful for the system to achieve the right Dim high-speed projectile in flight capture and measurement. The experiment results show that the system capture rate is 90%.

Number of references:8

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 233>

 

Accession number:20081911244532

Title:Fabrication of diffractive grating using HfO<inf>2</inf>-SiO<inf>2</inf> sol-gel film

Authors:Xie, Yong-Jun (1); Zhao, Fu-Hua (1); Wei, Wei (1); Zhao, Xiao-Xia (1); Zhao, Wei (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China

Corresponding author:Xie, Y.-J.(yjxie@opt.ac.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:1

Issue date:January 2008

Publication year:2008

Pages:133-135

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:A novel photosensitive HfO<inf>2</inf>/SiO<inf>2</inf> gel film is prepared by sol-gel technique, and a grating is obtained in the HfO<inf>2</inf>/SiO<inf>2</inf> sol-gel film. The Hafnium element is detected in the film by X-ray photoelectron spectroscopy (XPS). The refractive indexes of the film at different wavelengths are also measured, which shows that they are raised. Because of solubility difference between the exposed part and unexposed part, after the film is exposed through the mask by X-ray irradiation, a grating with highness of 0.8&mu;m and period of 1&mu;m is obtained in the HfO<inf>2</inf>/SiO<inf>2</inf> sol-gel film, which also shows the film has good photosensitivity.

Number of references:11

Main heading:Diffraction gratings

Controlled terms:Hafnium compounds - Optical films - Photosensitivity - Refractive index - Silica - Sol-gels - X ray photoelectron spectroscopy

Uncontrolled terms:Information optics - Sol-gel film

Classification code:741.1 Light/Optics - 741.3 Optical Devices and Systems - 801 Chemistry - 804.2 Inorganic Compounds - 931.3 Atomic and Molecular Physics

Treatment:Experimental (EXP)

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 234>

 

Accession number:20083611520948

Title:Analysis of the positive or negative lateral shift of the reflected beam in Otto configuration under grazing incidence

Authors:Zhou, Haichun (1); Li, Chunfang (1); Chen, Xi (1)

Author affiliation:(1) Department of Physics, Shanghai University, Shanghai 200444, China; (2) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China

Corresponding author:Zhou, H.

Source title:Chinese Optics Letters

Abbreviated source title:Chin. Opt. Lett.

Volume:6

Issue:6

Issue date:June 2008

Publication year:2008

Pages:446-448

Language:English

ISSN:16717694

Document type:Journal article (JA)

Publisher:Science Press, 18,Shuangqing Street,Haidian, Beijing, 100085, China

Abstract:We investigate the lateral shift of a TM-polarized light beam reflected from Otto configuration under grazing incidence. It is found that the lateral shift is strongly dependent on the thickness of the air-gap layer. By employing the pole-null representation, we demonstrate that the lateral shift is closely related to the null of the reflection function. The numerical simulations for a Gaussian beam are performed to demonstrate the validity of our theoretical analysis.

Number of references:20

Main heading:Gaussian beams

Controlled terms:Computer simulation - Electric network analysis

Uncontrolled terms:Grazing-incidence - Lateral shifting

Classification code:703.1.1 Electric Network Analysis - 711 Electromagnetic Waves - 723.5 Computer Applications

DOI:10.3788/COL20080606.0446

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 235>

 

Accession number:20083111419568

Title:Large Goos-H&#228;nchen displacement of evanescent light beam in near-field enhanced configuration

Authors:Zhang, Yan (1); Li, Chun-Fang (1); Chen, Xi (1)

Author affiliation:(1) Dept. of Physics, Shanghai Univ., 99 Shangda Road, Shanghai 200444, China; (2) State Key Laboratory of Transient Optics Technology, Xi'an Inst. of Optics and Precision Mechanics of CAS, Xi'an 710119, China

Corresponding author:Li, C.-F.(cfli@shu.edu.cn)

Source title:Proceedings of SPIE - The International Society for Optical Engineering

Abbreviated source title:Proc SPIE Int Soc Opt Eng

Volume:6831

Monograph title:Nanophotonics, Nanostructure, and Nanometrology II

Issue date:2008

Publication year:2008

Article number:683103

Language:English

ISSN:0277786X

CODEN:PSISDG

ISBN-13:9780819470065

Document type:Conference article (CA)

Conference name:Nanophotonics, Nanostructure, and Nanometrology II

Conference date:November 12, 2007 - November 14, 2007

Conference location:Beijing, China

Conference code:72751

Sponsor:The International Society for Optical Engineering (SPIE); Chinese Optical Society (COS)

Publisher:SPIE, P.O. Box 10, Bellingham WA, WA 98227-0010, United States

Abstract:We report that the transmitted evanescent light beam under total reflection will experience a lateral displacement similarly to that of the reflected beam, called Goos-Ha&die;nchen (GH) effect. By a dielectric thin film coated onto the dielectric surface, which is usually considered as the near-field enhanced configuration in atom optics, we indicate that the displacement of the transmitted evanescent beam can be greatly enhanced to several tens of wavelengths at transmission resonance under total internal reflection. Numerical simulations have been performed and it is shown that the transmitted evanescent beam maintains well the shape of the incident beam when the thickness of the thin film is required to be of the order of wavelength. Further, it is demonstrated that the stationary-phase approach is also applicable to transmitted evanescent beam and the GH displacement of the transmitted beam is just half the GH displacement of the reflected beam. The discussions presented here may arouse interest in atom optics and near-field microscope.

Number of references:27

Main heading:Thin film devices

Controlled terms:Atomic physics - Light - Light reflection - Mathematical models - Nanostructures - Optical properties - Photonics - Reflection - Refractive index - Solids  - Thin films

Uncontrolled terms:Atom optics - Dielectric surfaces - Dielectric thin films - Incident beams - Lateral displacements - Light beams - Near-field enhancement - Numerical simulations - Reflected beams - Stationary-phase approach  - Total internal reflections - Total reflections - Transmission resonances - Transmitted beams

Classification code:933 Solid State Physics - 931.3 Atomic and Molecular Physics - 931.2 Physical Properties of Gases, Liquids and Solids - 921 Mathematics - 761 Nanotechnology - 744 Lasers - 741.3 Optical Devices and Systems - 741.1 Light/Optics - 717 Optical Communication - 714.2 Semiconductor Devices and Integrated Circuits - 712.1 Semiconducting Materials - 712 Electronic and Thermionic Materials - 711 Electromagnetic Waves

DOI:10.1117/12.756220

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 236>

 

Accession number:20084211645275

Title:Experimental study of coherent beam combining of two fiber lasers

Authors:Wang, Jian-Ming (0); Duan, Kai-Liang (0); Wang, Yi-Shan (0)

Corresponding author:Wang, J.-M.(jimi.wang@live.cn)

Corr. author affiliation:State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Acad. of Sci., Xi'an 710119, China

Source title:Wuli Xuebao/Acta Physica Sinica

Abbreviated source title:Wuli Xuebao

Volume:57

Issue:9

Issue date:September 2008

Publication year:2008

Pages:5627-5631

Language:Chinese

ISSN:10003290

CODEN:WLHPAR

Document type:Journal article (JA)

Publisher:Science Press, Beijing, 100085, China

Abstract:The phase-locking of two photonic crystal fiber (PCF) lasers is studied experimentally by using Michelson cavity technique, and 47 W coherent output power is obtained. The phenomenon of interference-enhancement and interference-loss on the two arms of the Michelson cavity is theoretically explained by analyzing the optical path difference. Experiment shows that the Michelson cavity setup can improve the spectra of the combined laser significantly. The bandwidth of the combined laser is less than 5 rim in our experiment.

Number of references:16

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 237>

 

Accession number:20082311303283

Title:Realization of nonuniformity correction for IRFPA based on FPGA using function fitting

Authors:Yin, Shi-Min (1); Xiang-Li, Bin (1); Zhou, Jin-Song (1); Huang, Min (1)

Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) First Field, Trial and Training Air Base of Chinese People's Liberation Army, Jiuquan 735018, China

Corresponding author:Yin, S.-M.(yinshimin@yahoo.com.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:4

Issue date:April 2008

Publication year:2008

Pages:768-771

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:Upon considering the engineering practice of the nonuniformity correction of infrared focal plane array (IRFPA), a correction algorithm based on function fitting is designed. The nonuniformity correction system of IRFPA is realized by using large-capacity high-speed field programmable gate array (FPGA) device. The system can effectively adapt to the broad dynamic range and non-linearity of response characteristic of IRFPA with some advantages such as small size, fast speed and high correction precision.

Number of references:6

Main heading:Focal plane arrays

Controlled terms:Field programmable gate arrays (FPGA) - Infrared detectors

Uncontrolled terms:Function fitting - Infrared focal plane array (IRFPA) - Nonuniformity correction

Classification code:721.2 Logic Elements - 741.3 Optical Devices and Systems - 941.4 Optical Variables Measurements

Treatment:Experimental (EXP)

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

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Accession number:20083111419724

Title:Time-domain terahertz spectroscopy and applications on drugs and explosives

Authors:Fan, W.H. (1); Zhao, W. (1); Cheng, G.H. (1); Burnett, A.D. (2); Upadhya, P.C. (2); Cunningham, J.E. (2); Linfield, E.H. (2); Davies, A.G. (2)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an, Shaanxi, 710119, China; (2) School of Electronic and Electrical Engineering, University of Leeds, Leeds LS2 9JT, United Kingdom

Corresponding author:Fan, W. H.(fanwh@opt.ac.cn)

Source title:Proceedings of SPIE - The International Society for Optical Engineering

Abbreviated source title:Proc SPIE Int Soc Opt Eng

Volume:6840

Monograph title:Terahertz Photonics

Issue date:2008

Publication year:2008

Article number:68400T

Language:English

ISSN:0277786X

CODEN:PSISDG

ISBN-13:9780819470157

Document type:Conference article (CA)

Conference name:Terahertz Photonics

Conference date:November 12, 2007 - November 14, 2007

Conference location:Beijing, China

Conference code:72753

Sponsor:The International Society for Optical Engineering (SPIE); Chinese Optical Society (COS)

Publisher:SPIE, P.O. Box 10, Bellingham WA, WA 98227-0010, United States

Abstract:Many materials of interest to the forensic and security services, such as explosives, drugs and biological agents, exhibit characteristic spectral features in the terahertz (THz) frequency range. These spectral features originate from inter-molecular interactions, involving collective motions of molecules. Broadband THz time-domain spectroscopy (THz-TDS) system have been used to analyze a number of drugs-of-abuse and explosives that are of interest to the forensic and security services. These samples ranged from crystalline powders, pressed into pellets, to thin sheets of plastic explosives, and all being measured in transmission geometry in the frequency range 0.1-8 THz. To well understand the nature of the observed spectral features and the effects of thermal broadening on these far-infrared signatures, temperature-dependent THz-TDS measurements have also been performed at temperatures as low as 4 K, especially for two types of cocaine. Well-resolved low-frequency absorption peaks were observed in the frequency range 0.1-3 THz with high resolution. Some of absorption peaks were found clearly to become more intense and shift to higher frequencies as the temperature was reduced. The results confirm that the low-frequency collective modes are highly sensitive to the structural and spatial arrangement of molecules. Furthermore, a number of common postal packaging materials made from paper, cardboard, even several types of plastic, have been tested with drug sample to assess the ability of THz-TDS in a hostile detection environment.

Number of references:19

Main heading:Absorption spectroscopy

Controlled terms:Absorption - Biological materials - Explosives - Infrared spectroscopy - Laser pulses - Molecular structure - Packaging materials - Pelletizing - Plastic sheets - Time domain analysis

Uncontrolled terms:Barrier material - Drugs - Far-infrared - Postal packaging material - Terahertz spectroscopy

Classification code:801.4 Physical Chemistry - 802.3 Chemical Operations - 804 Chemical Products Generally - 817.1 Polymer Products - 801 Chemistry - 921 Mathematics - 931.3 Atomic and Molecular Physics - 941.3 Optical Instruments - 941.4 Optical Variables Measurements - 931.2 Physical Properties of Gases, Liquids and Solids - 744.1 Lasers, General - 405.2 Construction Methods - 461.2 Biological Materials and Tissue Engineering - 502.2 Mine and Quarry Equipment - 533.1 Ore Treatment - 404.1 Military Engineering - 694.2 Packaging Materials - 731.1 Control Systems - 741 Light, Optics and Optical Devices - 741.1 Light/Optics - 703.1.1 Electric Network Analysis

DOI:10.1117/12.785002

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

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Accession number:20141817636302

Title:Ultra-narrow dual-channel filter based on sampled fiber Bragg gratings

Authors:Liu, Xeming (1); Sun, Guoyong (1); Moon, Dae Seung (1); Hwang, Dusun (1); Lin, Aoxiang (1); Chung, Youngjoo (1)

Author affiliation:(1) Department of Information and Communications, Gwangju Institute of Science and Technology (GIST), 1 Oryong-dong, Buk-gu, Gwangju 500-712, Korea, Republic of; (2) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academic of Sciences, Xi'an 710068, China

Source title:Optics InfoBase Conference Papers

Abbreviated source title:Opt.InfoBase Conf. Papers

Monograph title:Quantum Electronics and Laser Science Conference, QELS 2008

Issue date:2008

Publication year:2008

Language:English

E-ISSN:21622701

ISBN-13:9781557528599

Document type:Conference article (CA)

Conference name:Quantum Electronics and Laser Science Conference, QELS 2008

Conference date:May 4, 2008  -  May 9, 2008

Conference location:San Jose, CA, United states

Conference code:104490

Publisher:Optical Society of America

Abstract:We have proposed a new kind of ultra-narrow dual-bandpass fiber Bragg gratings. Based on the proposed grating, an ultra-narrow dual-channel filter is designed. Our filter has the same bandwidth and the even strength, as well as the ultra-narrow bandwidth as small as &lt;1 pm. &copy; 2008 Optical Society of America.

Number of references:5

Main heading:Fiber Bragg gratings

Controlled terms:Quantum electronics

Uncontrolled terms:Dual channel - Filter-based - Sampled fiber Bragg gratings - Ultra-narrow bandwidth

Classification code:741.3 Optical Devices and Systems - 744 Lasers

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

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Accession number:20082111273438

Title:Enhancement of Goos-H&#228;nchen shift in prism-film coupling configuration

Authors:Ge, Guoku (1); Li, Chunfang (1); Duan, Tao (1); Zhang, Jiyue (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Graduate University, Chinese Academy of Sciences, Beijing 100039, China; (3) College of Communication And Information Engineering, Xi'an University of Science and Technology, Xi'an 710054, China; (4) Department of Physics, Shanghai University, Shanghai 200444, China

Corresponding author:Ge, G.(geguoku@126.com)

Source title:Guangxue Xuebao/Acta Optica Sinica

Abbreviated source title:Guangxue Xuebao

Volume:28

Issue:4

Issue date:April 2008

Publication year:2008

Pages:768-772

Language:Chinese

ISSN:02532239

CODEN:GUXUDC

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:Prism-film coupling configuration is a two-prism configuration with one prisms coated with a thin dielectric film. This structure plays an important role in the field of optical signal transmission. The Goos-Ha&die;nchen (G-H) shift of reflected and transmitted light beams in this configuration is theoretically investigated by stationary-phase approach. The result shows that the G-H shifts of both the reflected and transmitted light beams oscillate with the increase of the thickness of the thin dielectric film and the angle of incidence. The resonant peaks of reflection G-H shift can be negative as well as positive. The magnitude of the resonant G-H shifts can reach two orders of the wavelength. The above property of the G-H shift modulation may lead to potential applications in new types of optical sensors and devices.

Number of references:14

Main heading:Light transmission

Controlled terms:Dielectric films - Optical sensors - Physical optics

Uncontrolled terms:Goos-Hanchen (G-H) shift - Light beam shift - Optical signal transmission - Prism film coupling configuration - Resonance enhancement - Stationary phase approach

Classification code:708.1 Dielectric Materials - 741.1 Light/Optics - 741.3 Optical Devices and Systems

Treatment:Theoretical (THR)

DOI:10.3788/AOS20082804.0768

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 241>

 

Accession number:20084211646982

Title:40-GHz wavelength tunable mode-locked SOA-based fiber laser with 40-nm tuning range

Authors:Yan, Shuangyi (1); Zhang, Jianguo (1); Zhao, Wei (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Acad. of Sci., Xi'an 710119, China; (2) Graduate University, Chinese Acad. of Sci., Beijing 100049, China; (3) Department of Electrical, Computer and Communications Engineering, London South Bank University, 103 Borough Road, London SE1 OAA, United Kingdom

Corresponding author:Yan, S.

Source title:Chinese Optics Letters

Abbreviated source title:Chin. Opt. Lett.

Volume:6

Issue:9

Issue date:September 2008

Publication year:2008

Pages:676-678

Language:English

ISSN:16717694

Document type:Journal article (JA)

Publisher:Science Press, 18,Shuangqing Street,Haidian, Beijing, 100085, China

Abstract:A 40-GHz wavelength tunable mode-locked fiber ring laser based on cross-gain modulation in a semiconductor optical amplifier (SOA) is presented. Pulse trains with a pulse width of 10.5 ps at 40-GHz repetition frequency are obtained. The laser operates with almost 40-nm tuning range. The relationship between the key laser parameters and the output pulse characteristics is analyzed experimentally.

Number of references:16

Main heading:Pulsed laser applications

Controlled terms:Fiber lasers - Lasers - Light amplifiers - Modulation - Optoelectronic devices - Ring lasers - Semiconductor lasers - Tuning

Uncontrolled terms:Cross-gain modulation - Fiber-ring lasers - Laser parameters - Mode-locked - Optical- - Pulse characteristics - Pulse trains - Pulse width - Repetition frequencies - Tuning range  - Wavelength-tunable

Classification code:718 Telephone Systems and Related Technologies; Line Communications - 741.1.2 Fiber Optics - 741.3 Optical Devices and Systems - 744.9 Laser Applications - 744 Lasers - 744.4 Solid State Lasers - 744.4.1 Semiconductor Lasers - 744.1 Lasers, General - 717.2 Optical Communication Equipment - 717 Optical Communication - 712.1 Semiconducting Materials - 713 Electronic Circuits - 714.2 Semiconductor Devices and Integrated Circuits - 716 Telecommunication; Radar, Radio and Television - 716.3 Radio Systems and Equipment - 716.4 Television Systems and Equipment

DOI:10.3788/COL20080609.0676

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 242>

 

Accession number:20082311292160

Title:High-power coherent beam combining of two photonic crystal fiber lasers

Authors:Li, Jianfeng (1); Duan, Kailiang (1); Wang, Yishan (1); Zhao, Wei (1); Zhu, Jianhua (2); Guo, Yongkang (2)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Institute of Nano Optics, Department of Physics, Sichuan University, Chengdu 610064, China

Corresponding author:Li, J.(lijianfeng3000@sina.com.cn)

Source title:IEEE Photonics Technology Letters

Abbreviated source title:IEEE Photonics Technol Lett

Volume:20

Issue:11

Issue date:June 1, 2008

Publication year:2008

Pages:888-890

Language:English

ISSN:10411135

CODEN:IPTLEL

Document type:Journal article (JA)

Publisher:Institute of Electrical and Electronics Engineers Inc., 445 Hoes Lane / P.O. Box 1331, Piscataway, NJ 08855-1331, United States

Abstract:Coherent beam combining of two large mode area photonic crystal fiber (LMA PCF) lasers is studied experimentally by using a self-imaging technique. Steady interference strips with high visibility of 35% are observed in high-power operation, which demonstrates the obvious advantages of the LMA PCF over the conventional double-clad fiber in coherent beam combining. Experiments also show that the reflectivity of coupling output mirror affects the coherent output power. The maximum coherent output power of 80 W with approximate 90% combining efficiency is achieved when the pump power is 130 W and the reflectivity of coupling output mirror is 5%. &copy; 2008 IEEE.

Number of references:11

Main heading:Fiber lasers

Controlled terms:Coherent light - Mirrors - Optical resonators - Photonic crystals - Reflection

Uncontrolled terms:Coherent combining - High-power fiber lasers - Photonic crystal fiber - Self-imaging resonator

Classification code:741.1 Light/Optics - 741.3 Optical Devices and Systems - 744.4 Solid State Lasers

Treatment:Experimental (EXP)

DOI:10.1109/LPT.2008.922342

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

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Accession number:20094212377966

Title:Dynamic characteristics o f 1 565 nm laser pumped Tm³ :Ho ³⁺co-doped silica fiber laser

Authors:Zhou, Jun (1); Dong, Shu-Fu (1); Zhan, Sheng-Bao (1); C hen, Guo-Fu (2)

Author affiliation:(1) Telecommunication Engineering Institute, Air Force Engineering University, Xi'an 710077, China; (2) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China

Corresponding author:Zhou, J.(zhoujunkgd@yahoo.com.in)

Source title:Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering

Abbreviated source title:Hongwai yu Jiguang Gongcheng Infrared Laser Eng.

Volume:37

Issue:4

Issue date:August 25, 2008

Publication year:2008

Pages:651-655

Language:Chinese

ISSN:10072276

Document type:Journal article (JA)

Publisher:Chinese Society of Astronautics, P.O. Box 225-32, Tianjin, 300192, China

Abstract:A 1 565 nm laser pump Tm³⁺:Ho³⁺ co-doped silica optical fiber laser was proposed. The situation of irons distribution and laser power in the laser oscillation progress can be reflected by dynamic characteristics, which provide the theory basis to optimize the system. Theoretical model of the system pumped at 1 565 nm laser was established. Based on the rate equation and light propagation equation, the dynamic characteristics at input side and midpoint and end side of Tm³⁺:Ho³⁺ co-doped silica optical fiber was analyzed with the discrete algorithm, when the pump power and fiber length was 3 W and 2.5 m respectively in the Matlab. Numerical simulation results show that the absorption for pump laser is different at different position of the fiber, the begin and continuance time of irons distribution and laser power relaxation oscillation behaved large difference, the peak power of signal laser in course of relaxation oscillation is far larger than the power when the steady state is reached, and photoelectron conversion efficiency is 56%.

Number of references:8

Main heading:Pumping (laser)

Controlled terms:Computer simulation - Conversion efficiency - Fiber lasers - Fiber optics - Fibers - Holmium - Laser theory - MATLAB - Optical fibers - Optical materials  - Pulsed laser deposition - Pumps - Silica

Uncontrolled terms:1 565 nm laser pump - Co-doped - Discrete algorithm - Discrete algorithms - Dynamic characteristics - Fiber length - Laser oscillations - Laser power - Laser pumps - Numerical simulation  - Peak power - Photoelectron conversion - Pump laser - Pump power - Rate equations - Relaxation oscillation - Silica fiber lasers - Silica optical fibers - Steady state - Theoretical models  - Tm³⁺:H^o3co-poded silica optical fiber

Classification code:744.9 Laser Applications - 804.2 Inorganic Compounds - 812 Ceramics, Refractories and Glass - 744.4 Solid State Lasers - 813.1 Coating Techniques - 819.4 Fiber Products - 921 Mathematics - 817 Plastics and Other Polymers: Products and Applications - 744.1 Lasers, General - 525.5 Energy Conversion Issues - 547.2 Rare Earth Metals - 618.2 Pumps - 482.2 Minerals - 723.1.1 Computer Programming Languages - 741.1.2 Fiber Optics - 741.3 Optical Devices and Systems - 723.5 Computer Applications

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 244>

 

Accession number:20082011256195

Title:Design of a catadioptric system for laser bull's-eye observation lens

Authors:Yan, Ya-Dong (1); Dong, Xiao-Na (1); He, Jun-Hua (1); Xu, Rui-Hua (1); Chen, Liang-Yi (1)

Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Graduate University, Chinese Academy of Sciences, Beijing 100039, China

Corresponding author:Yan, Y.-D.(yyd@opt.ac.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:3

Issue date:March 2008

Publication year:2008

Pages:513-517

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:The optical system design of laser bull's observation lens is introduced. The problem that the permeation ratio of ordinary optical glass is too lower at wavelength of 200 nm is solved by using reflective optical system instead of refractive optical system. Reflector is propitious to correct chromatic aberration at wavelength scope of 200-800 nm, because reflector itself does not introduce chromatic aberration. Symmetrical reflective system is chosen to correct off-axis aberrations. Because there is no aspheric mirror in this system, corrector lens (material JGS1) is used to correct spherical aberration introduced by spherical mirrors and airproof window. The thicknesses of refractive lens is controlled to a thin value to make chromatic aberration among the aberration margin of Rayleigh criterion. Well imaging quality is achieved.

Number of references:5

Main heading:Optical design

Controlled terms:Aberrations - Image quality - Imaging techniques - Lenses - Mirrors - Optical glass - Optical systems - Shock waves

Uncontrolled terms:Catadioptric system - Laser bull's-eye observation lens - Optical system design - Reflector

Classification code:741.1 Light/Optics - 741.3 Optical Devices and Systems - 746 Imaging Techniques - 812.3 Glass - 941.4 Optical Variables Measurements

Treatment:Experimental (EXP)

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 245>

 

Accession number:20091211968596

Title:Reducing group-velocity-dispersion-dependent broadening of stimulated Brillouin scattering slow light in an optical fiber by use of a single pump laser

Authors:Ren, Liyong (1); Tomita, Yasuo (2)

Author affiliation:(1) Department of Electronics Engineering, University of Electro-Communications, 1-5-1 Chofugaoka, Chofu, Tokyo 1828585, Japan; (2) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China

Corresponding author:Ren, L.(renliy@bellevue.ee.uec.ac.jp)

Source title:Journal of the Optical Society of America B: Optical Physics

Abbreviated source title:J Opt Soc Am B

Volume:25

Issue:5

Issue date:May 1, 2008

Publication year:2008

Pages:741-746

Language:English

ISSN:07403224

CODEN:JOBPDE

Document type:Journal article (JA)

Publisher:Optical Society of America, 2010 Massachusetts Ave, NW, Washington, DC, DC 20036-1023, United States

Abstract:We propose a method of effectively extending the stimulated Brillouin scattering (SBS) gain bandwidth in a single-mode optical fiber to reduce group-velocity-dispersion (GVD)-dependent pulse spread of SBS slow light. This can be done by overlapping doublet SBS gain spectra synthesized from a single pump laser. Numerical calculations are performed to verify our proposed method. We find that there exists the optimum spectral separation between two center frequencies of the doublet SBS gain spectrum with respect to the inherent spectral width of the pump laser, which makes it possible to effectively reduce the signal pulse broadening due to GVD. We show that the maximum time delay of the amplified signal pulse can be approximately two times longer than that by a previously reported method using a single broadband pump laser. &copy; 2008 Optical Society of America.

Number of references:19

Main heading:Pumping (laser)

Controlled terms:Light polarization - Optical fibers - Optical materials - Pulsed laser applications - Pumps - Stimulated Brillouin scattering - Telecommunication systems - Ultrasonics

Uncontrolled terms:Amplified signals - Center frequencies - Gain bandwidths - Gain spectrum - Group velocities - Numerical calculations - Pump lasers - Signal pulse - Single pumps - Single-mode optical fibers  - Slow lights - Spectral separations - Spectral widths - Time- delays

Classification code:744.9 Laser Applications - 744.1 Lasers, General - 741.3 Optical Devices and Systems - 741.1.2 Fiber Optics - 753.1 Ultrasonic Waves - 741.1 Light/Optics - 717 Optical Communication - 716 Telecommunication; Radar, Radio and Television - 618.2 Pumps - 718 Telephone Systems and Related Technologies; Line Communications

DOI:10.1364/JOSAB.25.000741

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 246>

 

Accession number:20083211431570

Title:Phase reconstruction from three interferograms based on integral of phase gradient

Authors:Gao, Peng (1); Yao, Baoli (1); Han, Junhe (1); Chen, Liju (1); Wang, Yingli (1); Lei, Ming (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'An Institute of Optics and Precision Mechanics, Xi'an, China; (2) Graduate School, Chinese Academy of Sciences, Beijing, China

Corresponding author:Yao, B.(yaobl@opt.ac.cn)

Source title:Journal of Modern Optics

Abbreviated source title:J. Mod. Opt.

Volume:55

Issue:14

Issue date:August 2008

Publication year:2008

Pages:2233-2242

Language:English

ISSN:09500340

E-ISSN:13623044

CODEN:JMOPEW

Document type:Journal article (JA)

Publisher:Taylor and Francis Ltd., 4 Park Square, Milton Park, Abingdon, Oxfordshire, OX14 4RN, United Kingdom

Abstract:A novel algorithm of phase reconstruction based on the integral of phase gradient is presented. The algorithm directly derives two real-valued partial derivatives from three phase-shifted interferograms. Through integrating the phase derivatives, the desired phase is reconstructed. During the phase reconstruction process, there is no need for an extra rewrapping manipulation to ensure values of the phase derivatives lie in the interval [-, ] as before, thus this algorithm can prevent error or distortion brought about by the phase unwrapping operation. Additionally, this algorithm is fast and easy to implement, and insensitive to the nonuniformity of the intensity distribution of the interferogram. The feasibility of the algorithm is demonstrated by both computer simulation and experiment.

Number of references:12

Main heading:Algorithms

Controlled terms:Boolean functions - Computational methods - Computer simulation - Error analysis - Geodetic satellites - Gradient methods - Integral equations - Interferometry - Repair - Restoration

Uncontrolled terms:Distortion (deformation) - Intensity distributions - Interferogram - Interferograms - Non uniformities - Novel algorithms - Partial derivatives - Phase derivatives - Phase gradients - Phase reconstruction  - Phase unwrapping - Three phase

Classification code:941.4 Optical Variables Measurements - 921.6 Numerical Methods - 921.2 Calculus - 913.5 Maintenance - 723.5 Computer Applications - 723 Computer Software, Data Handling and Applications - 721.1 Computer Theory, Includes Formal Logic, Automata Theory, Switching Theory, Programming Theory - 405.3 Surveying - 402 Buildings and Towers

DOI:10.1080/09500340802082392

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 247>

 

Accession number:20085211807158

Title:Design of low-loss single-polarization single-mode photonic-crystal fiber based on polymer

Authors:Zhang, Ya-Ni (1)

Author affiliation:(1) Department of Physics, Baoji College of Arts Science, Baoji, China; (2) State Key Laboratory of Transient Optics and Photonics, Xi'An Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an, China

Corresponding author:Zhang, Y.-N.(zhangyn@opt.ac.cn)

Source title:Journal of Modern Optics

Abbreviated source title:J. Mod. Opt.

Volume:55

Issue:21

Issue date:December 2008

Publication year:2008

Pages:3561-3569

Language:English

ISSN:09500340

E-ISSN:13623044

CODEN:JMOPEW

Document type:Journal article (JA)

Publisher:Taylor and Francis Ltd., 4 Park Square, Milton Park, Abingdon, Oxfordshire, OX14 4RN, United Kingdom

Abstract:A new structure for single-polarization single-mode photonic-crystal fiber is proposed and numerically analyzed by using a full vector finite element method with anisotropic perfectly matched layers. The cutoff wavelength of two linearly polarized states can be controlled artificially by varying the structure parameters of photonic crystal fiber. The confinement loss are also numerically calculated and optimized at 650 nm communication wavelength of polymer optical fiber. From the numerical results it is confirmed that the proposed fiber is low-loss single-polarization single-mode photonic-crystal fiber within the wavelength range from 0.63 to 0.73 m, where only the slow-axis mode exists and the confinement loss is less than 0.05 dB m-1.

Number of references:23

Main heading:Finite element method

Controlled terms:Crystal structure - Crystal whiskers - Dielectric waveguides - Fibers - Mechanisms - Numerical methods - Optical communication - Optical fibers - Photonic crystals - Photoresists  - Polarization - Polymers - Waveguides

Uncontrolled terms:Anisotropic perfectly matched layers - Communication wavelengths - Confinement loss - Crystal fibers - Cutoff wavelengths - Fiber waveguides - Full vector finite element methods - Linearly polarized - New structures - Numerical results  - Photonic Crystal fibers - Polymer optical fibers - Single-polarization single-mode - Structure parameters - Wavelength ranges

Classification code:745.1 Printing - 801.4 Physical Chemistry - 812 Ceramics, Refractories and Glass - 813.2 Coating Materials - 933.1.1 Crystal Lattice - 815.1 Polymeric Materials - 819.4 Fiber Products - 921.6 Numerical Methods - 933.1 Crystalline Solids - 817 Plastics and Other Polymers: Products and Applications - 741.3 Optical Devices and Systems - 741.1.2 Fiber Optics - 531.2 Metallography - 601.3 Mechanisms - 701.1 Electricity: Basic Concepts and Phenomena - 711.1 Electromagnetic Waves in Different Media - 714.2 Semiconductor Devices and Integrated Circuits - 714.3 Waveguides - 717.1 Optical Communication Systems - 741.1 Light/Optics

DOI:10.1080/09500340802346060

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

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Accession number:20081211158210

Title:Second-harmonic generation in transparent surface crystallized GeS<inf>2</inf>-Ga<inf>2</inf>S<inf>3</inf>-CdS chalcogenide glasses

Authors:Gu, ShaoXuan (1); Hu, HaiPing (1); Guo, HaiTao (1); Tao, HaiZheng (1)

Author affiliation:(1) Key Laboratory of Silicate Materials Science and Engineering, (Wuhan University of Technology), Ministry of Education, Wuhan, Hubei 430070, China; (2) School of Materials Science and Engineering, Wuhan University of Technology, Wuhan, Hubei 430070, China; (3) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Science (CAS), Xi'an, Shanxi 710119, China

Corresponding author:Gu, S.(gsx@whut.edu.cn)

Source title:Optics Communications

Abbreviated source title:Opt Commun

Volume:281

Issue:9

Issue date:May 1, 2008

Publication year:2008

Pages:2651-2655

Language:English

ISSN:00304018

CODEN:OPCOB8

Document type:Journal article (JA)

Publisher:Elsevier, P.O. Box 211, Amsterdam, 1000 AE, Netherlands

Abstract:Transparent surface crystallized glasses containing CdGa<inf>2</inf>S<inf>4</inf> nonlinear optical crystal were prepared by the 70GeS<inf>2</inf> &middot 15Ga<inf>2</inf>S<inf>3</inf> &middot 15CdS (GGC15) chalcogenide glass. Average diameters of crystallites are about 150 nm and 600 nm for heating at 405 &deg;C for 48 and 108 h (named GGC15-48 and GGC15-108), respectively, and the thickness of the surface crystallized layer was approximately 15 &mu;m. By using the Maker fringe measurement, prominent second-harmonic generation was observed from these crystallized glasses, and the &chi;⁽²⁾ of the GGC15-48 sample is calculated to be as well as 38.85 pm/V, and the value is 13.7 pm/V for the GGC15-108. They are promising to be applied in photoelectric and all-optical field in the future. &copy; 2008 Elsevier B.V. All rights reserved.

Number of references:23

Main heading:Glass

Controlled terms:Ceramic materials - Chalcogenides - Crystallites - Crystallization - Harmonic generation - Photoelectricity - Semiconducting germanium compounds

Uncontrolled terms:Average diameters - Chalcogenide glasses - Maker fringe measurement - Optical fields

Classification code:933.1 Crystalline Solids - 812.3 Glass - 812.1 Ceramics - 804.2 Inorganic Compounds - 802.3 Chemical Operations - 741.1 Light/Optics - 713.2 Oscillators - 712.1.2 Compound Semiconducting Materials - 701.1 Electricity: Basic Concepts and Phenomena

Treatment:Theoretical (THR); Experimental (EXP)

DOI:10.1016/j.optcom.2007.12.078

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 249>

 

Accession number:20085011777213

Title:Algorithm of nonlinearity correction of streak camera

Authors:Xiong, Fa-Tian (1); Bai, Yong-Lin (1); Liu, Bai-Yu (1); Ouyang, Xian (1); Dang, Jun-Li (1); Shu, Ya (1)

Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Graduate University, Chinese Academy of Sciences, Beijing 100049, China

Corresponding author:Xiong, F.-T.(xft01022029@163.com)

Source title:Qiangjiguang Yu Lizishu/High Power Laser and Particle Beams

Abbreviated source title:Qiangjiguang Yu Lizishu

Volume:20

Issue:10

Issue date:October 2008

Publication year:2008

Pages:1633-1637

Language:English

ISSN:10014322

CODEN:QYLIEL

Document type:Journal article (JA)

Publisher:Editorial Office of High Power Laser and Particle Beams, P.O. Box 919-805, Mianyang, 621900, China

Abstract:Nonlinearity of the sweep circuit of streak camera distorts the time and intensity information of the streak image. In order to make the streak image closer to the actual object and to improve the measuring precision, this paper presents a correction algorithm based on image processing. It fits the sweep time curve based on the nominal sweep time to obtain the sweep time of each channel, and chooses the mean value of the sweep time as a criterion. According to the numerical relation between the criterion and the sweep time of each channel, the position and intensity of each pixel are corrected. The result indicates that this algorithm can reduce the nonlinearity to less than 2% from the original 8%.

Number of references:7

Main heading:Cameras

Controlled terms:Curve fitting - Image processing - Streak cameras - Sweep circuits

Uncontrolled terms:Correction algorithms - Correction coefficient - Intensity informations - Mean values - Measuring precisions - Non linearities - Nonlinearity corrections - Time curves

Classification code:922.2 Mathematical Statistics - 921.6 Numerical Methods - 921.4 Combinatorial Mathematics, Includes Graph Theory, Set Theory - 742.2 Photographic Equipment - 741 Light, Optics and Optical Devices - 723.2 Data Processing and Image Processing - 713.4 Pulse Circuits

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 250>

 

Accession number:20082711351446

Title:Research on nonuniformity correction of IRFPA based on radiation source scaling

Authors:Yin, Shi-Min (1); Xiang-Li, Bin (1); Zhou, Jin-Song (1); Huang, Min (1)

Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) First Field of Trial and Training Air Base of the Chinese People's Liberation Army, Jiuquan 735018, China

Corresponding author:Yin, S.-M.(yinshimin@yahoo.com.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:5

Issue date:May 2008

Publication year:2008

Pages:992-995

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:The mathematical techniques are made for the nonuniformity correction of IRFPA based on radiation source scaling. It indicates that the complicated engineering problem is belonged to the function interpolation or function fitting. Based on this principle, some dependent correction algorithms such as cubic spline function interpolation, B-spline function least squares fitting and polynomial least squares fitting were derived. Experimentation indicates that these algorithms can highly adapt to the broad dynamic range and non-linearity of IRFPA and are suitable for engineering applications with fast computing speed and high calibration precision.

Number of references:7

Main heading:Precision engineering

Controlled terms:Curve fitting - Geodesy - Interpolation - Least squares approximations - Mathematical techniques - Quantum optics - Radiation - Splines - Surface discharges - Technology

Uncontrolled terms:B-spline functions - Computing speed - Correction algorithms - Cubic spline functions - Dynamic range - Engineering applications - Function fitting - Function interpolation - Infrared focal plane array - Least squares fitting  - Non linearities - Nonuniformity correction - Radiation source scaling - Radiation sources

Classification code:921.6 Numerical Methods - 921 Mathematics - 901 Engineering Profession - 741.1 Light/Optics - 714.2 Semiconductor Devices and Integrated Circuits - 701.1 Electricity: Basic Concepts and Phenomena - 657.1 Solar Energy and Phenomena - 601.2 Machine Components - 405.3 Surveying

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 251>

 

Accession number:20083811573099

Title:Research on computer-aided alignment based on vector aberration theory

Authors:Che, Chi-Cheng (1); Li, Ying-Cai (1); Fan, Xue-Wu (1); Ma, Zhen (1); Hu, Yong-Ming (1)

Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; (2) Graduate University, Chinese Academy of Sciences, Beijing 100039, China

Corresponding author:Che, C.-C.(checc@opt.ac.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:8

Issue date:August 2008

Publication year:2008

Pages:1630-1634

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:In order to solve the problems in alignment of the wide field refractive camera, the relationship between system wavefront aberration and Zernike coefficient is investigated based on vector aberration theory. The model of misalignment optical system is build and the feasibility of this model using the CODE V software is analyzed. The results show this method can fit the requirement of complex optical system. Under the guidance of vector aberration theory, a TMA system's wavefront error RMS&lt;0.080&lambda;.

Number of references:10

Main heading:Aberrations

Controlled terms:Alignment - Computer networks - Optical systems - Photolithography - Vectors - Wavefronts

Uncontrolled terms:Aberration theory - Computer-aided alignment - Matrix of misalignment - Vector aberration - Zernike polynomial

Classification code:741.1 Light/Optics - 741.3 Optical Devices and Systems - 745.1 Printing - 741 Light, Optics and Optical Devices - 751.1 Acoustic Waves - 941.3 Optical Instruments - 941.4 Optical Variables Measurements - 921.1 Algebra - 723 Computer Software, Data Handling and Applications - 603.1 Machine Tools, General - 711 Electromagnetic Waves - 714.2 Semiconductor Devices and Integrated Circuits - 601.1 Mechanical Devices - 716 Telecommunication; Radar, Radio and Television - 718 Telephone Systems and Related Technologies; Line Communications - 722 Computer Systems and Equipment - 717 Optical Communication

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 252>

 

Accession number:20114614512533

Title:Calibration of a portable laser 3-D scanner used by a robot and its use in measurement

Authors:Li, Jianfeng (1); Zhu, Jianhua (1); Guo, Yongkang (1); Lin, Xiangdi (1); Duan, Kailiang (2); Wang, Yishan (2); Tang, Qing (3)

Author affiliation:(1) Sichuan University, Department of Physics, Institute of Nano-Optics, Chengdu 610064, China; (2) Chinese Academy of Sciences, Xi'An Institute of Optics and Precision Mechanics, State Key Laboratory of Transient Optics and Photonics, Xi'an 710119, China; (3) InterSmart Robotic Systems Co., Ltd, Beijing 100080, China

Corresponding author:Li, J.(lijianfeng3000@sina.com.cn)

Source title:Optical Engineering

Abbreviated source title:Opt Eng

Volume:47

Issue:1

Issue date:2008

Publication year:2008

Article number:017202

Language:English

ISSN:00913286

E-ISSN:15602303

CODEN:OPEGAR

Document type:Journal article (JA)

Publisher:SPIE, P.O. Box 10, Bellingham, WA 98227-0010, United States

Abstract:A robot scanning system consisting of a portable laser 3-D scanner and an industrial robot is demonstrated. In this system, the scanner is precalibrated by the traditional nonlinear two-step approach. In addition, by using a criterion sphere as the calibration object, a new robot tool center point (TCP) calibration approach is proposed for calibrating the relation between the precalibrated laser 3-D scanner and the robot. In this approach, two different translational motions of the robot are first made to determine the rotation part, and then at least three different rotational motions are made to determine the translation part. During the process, the extrinsic camera parameters are not recalibrated for each robot motion, so the calibration errors brought by camera calibration can be decreased. Moreover, the calibration error due to robot positioning error can be decreased by making use of the differences of different robot positions in calculations. An experiment was performed on a portable laser 3-D scanner and an ABB IRB-4400 industrial robot to test the validity of the proposed calibration approach. The experimental results show that this approach is simple and accurate compared to the conventional robot TCP calibration approach. &copy; 2008 Society of Photo-Optical Instrumentation Engineers.

Number of references:20

Main heading:Scanning

Controlled terms:Calibration - Cameras - Computer vision - Industrial robots - Spheres - Three dimensional

Uncontrolled terms:3-D scanner - Calibration error - Camera calibration - Conventional robots - Extrinsic camera parameters - Laser scanner - Robot motion - Robot positioning error - Robot positions - Rotational motion  - Scanning systems - Tool center points - Translational motions - Two-step approach

Classification code:943 Mechanical and Miscellaneous Measuring Instruments - 942 Electric and Electronic Measuring Instruments - 941 Acoustical and Optical Measuring Instruments - 912.1 Industrial Engineering - 944 Moisture, Pressure and Temperature, and Radiation Measuring Instruments - 902.1 Engineering Graphics - 741.3 Optical Devices and Systems - 741.2 Vision - 631 Fluid Flow - 742.2 Photographic Equipment

DOI:10.1117/1.2829766

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 253>

 

Accession number:20084611702680

Title:Large self-deflection of bright and dark screening photovoltaic solitons in LiNbO₃

Authors:Zhang, Yi-Qi (0); Lu, Ke-Qing (0); Zhang, Lei (0); Zhang, Mei-Zhi (0); Li, Ke-Hao (0)

Corresponding author:Zhang, Y.-Q.(zhangyitsee@opt.ac.cn)

Corr. author affiliation:State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China

Source title:Wuli Xuebao/Acta Physica Sinica

Abbreviated source title:Wuli Xuebao

Volume:57

Issue:10

Issue date:October 2008

Publication year:2008

Pages:6354-6359

Language:Chinese

ISSN:10003290

CODEN:WLHPAR

Document type:Journal article (JA)

Publisher:Science Press, Beijing, 100085, China

Abstract:We demonstrate large self-deflection of both bright and dark screening photovoltaic solitons existing in LiNbO₃ crystal under an external applied field with numerical method, and we also demonstrate that the self-deflection is not only connected with the acceptor concentration N_A but also with the external applied field E₀. Under the same E₀, when N_A is lower, the self-deflection is more obvious. Under the same N_A, when E₀ is higher, the self-deflection is more obvious. We also find that self-deflection of the bright screening spatial soliton and that of the dark one are different: the bright screening photovoltaic soliton deflects obviously; while only one side of the dark soliton deflects, its extreme value point and the other side almost do not deflect.

Number of references:24

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.

 

<RECORD 254>

 

Accession number:20090711906906

Title:Driving circuit for 16&times;16 matrix carbon nanotubes field emission display

Authors:Yang, Yan-Ning (1); Zhang, Zhi-Yong (1); Zhang, Wei-Hu (2); Zahng, Yan-Yang (1); Yang, Wan-Chang (1)

Author affiliation:(1) Institute of Photonics and Photo-Technologies, Northwest University, Xi'an 710069, China; (2) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy Sciences, Xi'an 716000, China; (3) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China

Corresponding author:Yang, Y.-N.(yanyyn@163.com)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:37

Issue:SUPPL.

Issue date:November 2008

Publication year:2008

Pages:278-280

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society, P.O. Box 80, Xi'an, 710068, China

Abstract:A novel driving circuit for 16&times;16 matrix CNT-FED was designed. Using the method of chemical vapor deposition, carbon nanotubes were produced and then their micro-pattern was given. Through the field emission performance experiment on their cathode samples, the F-N curve was obtained, which is approximately linear and shows that carbon nanotubes have better field emission characteristics. Based on this, driving circuits, including a logic control circuit for carbon nanotubes field emission display based on 89S51 and a high-voltage driving circuit based on high-voltage driving IC IR2113 and high-voltage MOS were designed. A driving control program for 16&times;16 matrix addressing was presented meanwhile. These driving circuits can realize the dynamic display of the simple graphs and characters on the carbon nanotubes field emission display.

Number of references:10

Main heading:Carbon nanotubes

Controlled terms:Concurrency control - Field emission - Field emission cathodes - Field emission displays - Nanocomposites - Nanotubes

Uncontrolled terms:Chemical vapors - Driving circuit - Driving controls - Dynamic displays - Emission performance - F-N curves - Field emission display - Field-emission characteristics - High voltages - Logic control circuits  - Matrix - Matrix carbons - matrixes - Micro patterns

Classification code:933 Solid State Physics - 932 High Energy Physics; Nuclear Physics; Plasma Physics - 931.4 Quantum Theory; Quantum Mechanics - 761 Nanotechnology - 741.3 Optical Devices and Systems - 933.1 Crystalline Solids - 731.3 Specific Variables Control - 722.2 Computer Peripheral Equipment - 714.2 Semiconductor Devices and Integrated Circuits - 714.1 Electron Tubes - 712.1 Semiconducting Materials - 723.3 Database Systems

Database:Compendex

Compilation and indexing terms, Copyright 2014 Elsevier Inc.