<RECORD 1>
Accession number:2005249157031
Title:Influence of preparation technique on the microscopic structure and surface morphology of nanometer TiO<inf>2</inf> thin films
Authors:Hu, Xiaoyun (1); Fan, Jun (3); Li, Ting (2); Zhang, Dekai (2); Bai, Jintao (1); Hou, Xun (1)
Author affiliation:(1) Institute of Photonics and Photon-Technology, Provincial Key Laboratory of Photo Electronic Technology, Northwest University, Xi'an 710069, China; (2) Department of Physics, Northwest University, Xi'an 710069, China; (3) Chemical Engineering College, Northwest University, Xi'an 710069, China; (4) State Key Laboratory of Transient Optics and Technology, Xi'an Institute of Optics and Precision Mechanics, Academy of Sciences of China, Xi'an 710068, China
Corresponding author:Hu, X.(hhdjdi@pub.xaonline.com)
Source title:Proceedings of SPIE - The International Society for Optical Engineering
Abbreviated source title:Proc SPIE Int Soc Opt Eng
Volume:5635
Monograph title:Nanophotonics, Nanostructure, and Nanometrology
Issue date:2005
Publication year:2005
Pages:390-398
Language:English
ISSN:0277786X
CODEN:PSISDG
Document type:Conference article (CA)
Conference name:Nanophotonics, Nanostructure, and Nanometrology
Conference date:November 8, 2004 - November 10, 2004
Conference location:Beijing, China
Conference code:64962
Sponsor:SPIE; COS - Chinese Optical Society
Publisher:SPIE
Abstract:Nanometer TiQ<inf>2</inf> thin films are prepared by a sol-gel method and the effects of preparation technique on the microstructure and surface morphology of the obtained materials are studied using X-ray Diffraction [XRD], IR spectrum [IR], UV-VIS spectrum [UV-VIS], AFM and X-ray photoelectron spectroscopy [XPS]. The results show that the TiO<inf>2</inf>thin films are of anatase and rutile phase structures when annealed in a temperature range from 450°C to 600°C. When heated up to 700°C, the structure of TiO <inf>2</inf> film changed into rutile completely. In the TiQ<inf>2</inf> thin films, there is some residual carbon from the starting organometallic components and a small amount of sodium ions diffused from the glass substrates. During heat-treatment, the absorption peak of water become weak gradually and the organic groups are disappeared completely at 500°C. Optimum film layers are obtained for the UV absorbance index. AFM result shows that the rough morphology of surface [RMS] of films is about 2-3nm or so.
Number of references:7
Main heading:Thin films
Controlled terms:Atomic force microscopy - Microstructure - Morphology - Organometallics - Sol-gels - Surface phenomena - Temperature distribution - Titanium oxides - X ray diffraction
Uncontrolled terms:Nanometer - Organic groups - Preparation technique - TiO2 thin films
Classification code:931.3 Atomic and Molecular Physics - 931.2 Physical Properties of Gases, Liquids and Solids - 931 Classical Physics; Quantum Theory; Relativity - 804.2 Inorganic Compounds - 804.1 Organic Compounds - 801.4 Physical Chemistry - 741.3 Optical Devices and Systems - 714.2 Semiconductor Devices and Integrated Circuits - 641.1 Thermodynamics
Treatment:Theoretical (THR)
DOI:10.1117/12.575510
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 2>
Accession number:2006129769054
Title:Franz-Keldysh effect and exciton ionization in a short one-dimensional semiconductor quantum wire
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, CAS, 322 West Youyi Road, Xi'an, 710068, China
Corresponding author:Zhang, T.-Y.(tyzhang@opt.ac.cn)
Source title:Proceedings of SPIE - The International Society for Optical Engineering
Abbreviated source title:Proc SPIE Int Soc Opt Eng
Volume:6020
Monograph title:Optoelectronic Materials and Devices for Optical Communications
Issue date:2005
Publication year:2005
Article number:60202A
Language:English
ISSN:0277786X
CODEN:PSISDG
Document type:Conference article (CA)
Conference name:Optoelectronic Materials and Devices for Optical Communications
Conference date:November 7, 2005 - November 10, 2005
Conference location:Shanghai, China
Conference code:66852
Sponsor:SPIE - The International Society for Optical Engineering; Chinese Optical Society, COS, China; China Institute of Communications, China
Publisher:SPIE
Abstract:We investigate the optical properties of a one-dimensional semiconductor quantum wire in the presence of a static electric field applied along the axis. Optical absorption spectra near the band gap are nonperturbatively calculated by solving the low-density semiconductor Bloch equations in real space. The influence of the Franz-Keldysh effect and the exciton ionization on the continuum of the absorption spectrum in semiconductor quantum wire is investigated. We found substantial and tunable absorption oscillations appear above the band gap for reasonable electric strengths. This shows semiconductor quantum wire has great promise of the potential applications in electric-optical devices.
Number of references:34
Main heading:Optoelectronic devices
Controlled terms:Electric field effects - Excitons - Ionization - Optical communication - Oscillations - Perturbation techniques - Semiconductor quantum wires
Uncontrolled terms:Franz-Keldysh effect - Quantum wire
Classification code:701.1 Electricity: Basic Concepts and Phenomena - 712.1 Semiconducting Materials - 714.2 Semiconductor Devices and Integrated Circuits - 802.2 Chemical Reactions - 921 Mathematics - 931.1 Mechanics
Treatment:Theoretical (THR)
DOI:10.1117/12.633605
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 3>
Accession number:2005499528103
Title:Experimental study of large-ratio Offner stretcher for OPCPA laser system
Authors:Wang, Hong-Ying (1); Liu, Hong-Jun (1); Xiong, Hong-Jun (1); Zhu, Shao-Lan (1); Zhao, Wei (1); Wang, Yi-Shan (1); Chen, Guo-Fu (1)
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 710068, China; (2) Graduate School, Chinese Academy of Sciences, Beijing 100049, 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:17
Issue:9
Issue date:September 2005
Publication year:2005
Pages:1359-1364
Language:English
ISSN:10014322
CODEN:QYLIEL
Document type:Journal article (JA)
Publisher:Editorial Office of High Power Laser and Particle Beams
Abstract:According to the design and the principle of the O¨ffner stretcher, the pulse stretcher for OPCPA laser system was experimentally investigated. Using the numerical method, the four key parameters were appropriately selected, that is the angle of incidence being 51.05°, the distance from grating to concave spherical mirror being 653 mm, the curvature radius of the concave spherical mirror being 1000 mm and the grating constant being 1800 lines/mm. The experimental results demonstrate that an expansion of 30 fs to 545 ps pulse and a stretching ratio of 18167 can be obtained by adjusting the key parameters.
Number of references:16
Main heading:Light amplifiers
Controlled terms:High energy lasers - Numerical methods - Pulsed laser applications - Stretchers - Structural optimization
Uncontrolled terms:Femtosecond laser - O¨ffner stretcher - Optical parametric chirped pulses amplification
Classification code:741.3 Optical Devices and Systems - 744.1 Lasers, General - 744.9 Laser Applications - 921.5 Optimization Techniques - 921.6 Numerical Methods
Treatment:Applications (APP); Experimental (EXP)
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 4>
Accession number:2005329290685
Title:Research on optical transfer function test of cone fiber optic bundle
Authors:Ma, Weihong (0); Ma, Zhen (0); Zhang, Wei (0); He, Li (0); Li, Yingcai (0)
Corr. author affiliation:Space Optics Laboratory, Xi'an Institute of Optics and Precision Mechanics, CAS, Xi'an 710068, China
Source title:Guangzi Xuebao/Acta Photonica Sinica
Abbreviated source title:Guangzi Xuebao
Volume:34
Issue:6
Publication year:2005
Pages:919-922
Language:Chinese
ISSN:10044213
CODEN:GUXUED
Document type:Journal article (JA)
Publisher:Chinese Optical Society, Xi'an, China
Abstract:Theoretic optical transfer function (OTF) of cone fiber optic bundle are presented, by analyzing of image transfer manner and digital simulating, a OTF test method with spotlight image analyzing is proposed and experiment results agree well with theoretic analyzing. OTF of cone fiber optic bundle can be obtained at a large frequency range (larger than 100 lp/mm), by rational setting of test system parameter.
Number of references:7
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 5>
Accession number:2005439439422
Title:An algorithm of multi-resolution steps image partition based on strong edge blocks
Authors:Li, Zhe (0); Su, Xiuqin (0); Yang, Xiaojun (0); Zhang, Guanghua (0)
Corr. author affiliation:Xi'an Institute of Optics and Precision Mechanics, CAS, Xi'an 710068, China
Source title:Guangzi Xuebao/Acta Photonica Sinica
Abbreviated source title:Guangzi Xuebao
Volume:34
Issue:9
Issue date:September 2005
Publication year:2005
Pages:1408-1410
Language:Chinese
ISSN:10044213
CODEN:GUXUED
Document type:Journal article (JA)
Publisher:Chinese Optical Society, Xi'an, China
Abstract:According to the detection of changes in image sequences, an algorithm of multi-resolution steps image partition based on strong edge blocks is proposed in this papers. Firstly, the histogram is computed from the strong edge blocks in the image sequences. Then, different images are compared by algorithm of multi-resolution steps. This method can not only further detect the changes of image, but also judge the types of changing images. In the process of selecting thresholds, the adaptive thresholds are used. The experimental results show that this method is promising.
Number of references:6
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 6>
Accession number:2005379362665
Title:Incoherently coupled gray-gray soliton pairs in biased photorefractive-photovoltaic crystals
Authors:Lu, Keqing (1); Zhao, Wei (1); Yang, Yanlong (1); Chen, Guangde (2); Xu, Jingjun (3); Zhang, Yanpeng (2); Hou, Xun (1)
Author affiliation:(1) State Key Laboratory of Transient Optics Technology, Xi'an Institute of Optics and Precision Mechanics, Chinese Academic of Sciences, Xi'an 710068, 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.(kq.lu@263.net)
Source title:Optical Materials
Abbreviated source title:Opt Mater
Volume:27
Issue:12
Issue date:December 2005
Publication year:2005
Pages:1845-1850
Language:English
ISSN:09253467
CODEN:OMATET
Document type:Journal article (JA)
Publisher:Elsevier
Abstract:We show that incoherently coupled gray-gray soliton pairs and multicomponent gray solitons are possible in biased photorefractive-photovoltaic crystals under steady-state conditions. These soliton pairs and multicomponent solitons can be obtained provided that the carrier beams share the same polarization, wavelength, and are incoherent with one another. When the bulk photovoltaic effect is neglectable, these soliton pairs and multicomponent solitons predict incoherently coupled gray-gray soliton pairs and multicomponent gray solitons for screening solitons. When the external field is absent, these soliton pairs and multicomponent solitons predict incoherently coupled gray-gray soliton pairs and multicomponent gray solitons for photovoltaic solitons. © 2004 Elsevier B.V. All rights reserved.
Number of references:18
Main heading:Solitons
Controlled terms:Crystals - Light polarization - Lithium compounds - Photorefractive materials - Photovoltaic effects
Uncontrolled terms:Gray solitons - LiNbO3 - Spatial solitons - Steady state conditions
Classification code:741.1 Light/Optics - 741.3 Optical Devices and Systems - 804.2 Inorganic Compounds - 921.1 Algebra - 933.1 Crystalline Solids
Treatment:Theoretical (THR)
DOI:10.1016/j.optmat.2004.12.004
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 7>
Accession number:2005229137561
Title:Measurement method for modulation transfer function of fiber optic taper coupled with CCD
Authors:Wang, Li (0); Tian, Weijian (0); Wang, Yaoxiang (0); Qu, Youshan (0)
Corr. author affiliation:Fiber and Integrated Optics Laboratory, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China
Source title:Guangzi Xuebao/Acta Photonica Sinica
Abbreviated source title:Guangzi Xuebao
Volume:34
Issue:4
Issue date:April 2005
Publication year:2005
Pages:613-615
Language:Chinese
ISSN:10044213
CODEN:GUXUED
Document type:Journal article (JA)
Publisher:Chinese Optical Society, Xi'an, China
Abstract:A method that imaged directly to sloping edge was used to get the modulation transfer function of fiber optic taper coupled with CCD. It used static edge that was tilted slightly with respect to the columns of fibre to achieve different value of different row. This method replaced scanning in conventional test and it was not necessary to ensure that edge was parallel strictly to array. Thus mechanical error was deduced accordingly. In data processing adopting two averages including different position of one image and multi-measurement result. This processing avoided the influence of non-isoplanantic result from dispersancy to a certain extent.
Number of references:9
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 8>
Accession number:2005249157257
Title:Adaptive Wiener filtering for image restoration using wavelet package based on the edge detection
Authors:Zhang, Jian (1); Ni, Guo-Qiang (1); Liu, Min-Qi (1); Cui, Xiao-Di (1); Liu, Xin-Ping (2)
Author affiliation:(1) Dept. of Optical Engineering, Beijing Institute of Technology, Beijing 100081, China; (2) Xi'an Institute of Optics and Precision Mechanics, CAS
Corresponding author:Zhang, J.(zj40932@bit.edu.cn)
Source title:Proceedings of SPIE - The International Society for Optical Engineering
Abbreviated source title:Proc SPIE Int Soc Opt Eng
Volume:5637
Monograph title:Electronic Imaging and Multimedia Technology IV
Issue date:2005
Publication year:2005
Pages:532-539
Article number:110
Language:English
ISSN:0277786X
CODEN:PSISDG
Document type:Conference article (CA)
Conference name:Electronic Imaging and Multimedia Technology IV
Conference date:November 8, 2004 - November 11, 2004
Conference location:Beijing, China
Conference code:64964
Sponsor:SPIE; COS - Chinese Optical Society
Publisher:SPIE
Abstract:In order to utilize the multiscale characteristics of wavelet transform more sufficiently, a new adaptive image restoration method using wavelet packets based on the edge detection is presented. The method allows for the decomposition of image signal with various frequencies in the subband domain. The proposed filters in the paper explicitly incorporate both within and between subband relations of the decomposed image. The adaptive filter is used in the approach for considering local adaptation in each subband of the best basis. In order to keep the high frequency information of the image, the adaptive edge detection is presented in the paper. Experimental results, which could test the proposed method, are got. It is found that the proposed method show not only great noise reduction in the processed images but also significant improvement of subjective image quality over the conventional image restoration methods.
Number of references:11
Main heading:Image reconstruction
Controlled terms:Acoustic noise - Adaptive filtering - Cameras - Edge detection - Image processing - Image quality - Optical filters - Wavelet transforms
Uncontrolled terms:Human visual systems - Wavelet packets - Wavelet packets transforms - Wiener filtering
Classification code:921.3 Mathematical Transformations - 751.4 Acoustic Noise - 742.2 Photographic Equipment - 741.3 Optical Devices and Systems - 731.1 Control Systems - 723.2 Data Processing and Image Processing - 716 Telecommunication; Radar, Radio and Television
Treatment:Theoretical (THR); Experimental (EXP)
DOI:10.1117/12.576802
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 9>
Accession number:2005519605624
Title:Method for laser modulated by optical fiber hydrophone
Authors:Pan, Ping (0); Chen, Liang-Yi (0); He, Jun-Hua (0)
Corr. author affiliation:Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China
Source title:Guangdian Gongcheng/Opto-Electronic Engineering
Abbreviated source title:Guangdian Gongcheng
Volume:32
Issue:11
Issue date:November 2005
Publication year:2005
Pages:33-35+58
Language:Chinese
ISSN:1003501X
CODEN:GUGOEC
Document type:Journal article (JA)
Publisher:Chinese Academy of Sciences, Chengdu, Sichuan, China
Abstract:Based on PGC (Phase Generated Carrier) homodyne technique, it is advantageous that MQW-DFB(Multi-Quantum Well, Distributed Feedback)laser is modulated directly in the field of interference optical fiber hydrophone detecting. The principle and implementation of MQW-DFB laser modulated by high-frequency sine wave are presented. The output waveform of modulated laser is precious and various, such as sine wave, triangular wave and square wave, and output frequency can be adjusted continuously between 0 MHz and 20 MHz. The test indicates that this method can meet hydrophone detecting requirements of high frequency and tiny waveform distortion.
Number of references:4
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 10>
Accession number:2005289209278
Title:Resources access control scheme based on threshold secret sharing
Authors:Zhang, Jian (0); Chen, Tuo (0); Han, Yiliang (0); Zhu, Yanli (0); Zhang, Wei (0)
Corr. author affiliation:Xi'an Institute of Optic and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China
Source title:Jisuanji Gongcheng/Computer Engineering
Abbreviated source title:Jisuanji Gongcheng
Volume:31
Issue:12
Issue date:Jun 20 2005
Publication year:2005
Pages:151-153
Language:Chinese
ISSN:10003428
CODEN:JISGEV
Document type:Journal article (JA)
Publisher:Shanghai Computer Society, Shanghai, China
Abstract:Based on the theory of requesting answers of linear equation group, properly handling the unknown variables iterative, the paper constructs a resource's security level control scheme based on threshold secret sharing. In the scheme, the number of secret key's changing caused by dynamic users is reduced. Time-complexity and space-complexity of the scheme is evaluated. The authors verify the security and prove it's efficiency. The result shows that the scheme is efficient and practicable.
Number of references:5
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 11>
Accession number:2005479497617
Title:Study of 70 mm high speed photography camera
Authors:Liang, Zhiyi (0); Ma, Lihua (0); Cao, Jianzhong (0); Hao, Bin (0)
Corr. author affiliation:Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China
Source title:Guangzi Xuebao/Acta Photonica Sinica
Abbreviated source title:Guangzi Xuebao
Volume:34
Issue:10
Issue date:October 2005
Publication year:2005
Pages:1586-1589
Language:Chinese
ISSN:10044213
CODEN:GUXUED
Document type:Journal article (JA)
Publisher:Chinese Optical Society, Xi'an, China
Abstract:A set of 70 mm high speed photography camera (HSPC) system has been developed, which is such an instrument that it can record the 3D flying position and space parameter of object such as laser-guided bomb, rocket and guided missile. The main constitutes and the principle is introduced and the design of camera is described in detail. Because 70 mm HSPC System has successful application, it can offers a few ideas to the design of other HSPC.
Number of references:4
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 12>
Accession number:2005389375422
Title:New plane array CCD space three-dimensional photographic system
Authors:Chang, Lingying (0); Yang, Jianfeng (0); Zhao, Baochang (0); Chen, Liwu (0)
Corr. author affiliation:Xi'an Institute Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China
Source title:Guangzi Xuebao/Acta Photonica Sinica
Abbreviated source title:Guangzi Xuebao
Volume:34
Issue:8
Issue date:August 2005
Publication year:2005
Pages:1165-1168
Language:Chinese
ISSN:10044213
CODEN:GUXUED
Document type:Journal article (JA)
Publisher:Chinese Optical Society, Xi'an, China
Abstract:A new plane array CCD space three-dimension photogrammetry system is described. The system can be applied to acquire three-dimensional image of moon surface. On the base of the primary TLS(three-line scanner), a new project was proposed, which uses an array CCD and wide-angle lens to achieve the effect of the common TLS. And this new type of system have a lot of advantages compared with traditional TLS remote sensor, such as more simpler configurature, smaller size and more reliable stability. So it is very adapted to work in the space remote sensing environment.
Number of references:11
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 13>
Accession number:2006139792101
Title:Fabrication of gratings using photosensitive gel films by sol-gel process
Authors:Zhao, Gaoyang (1); Li, Ying (1); Zhang, Weihua (1); Zhao, Wei (2)
Author affiliation:(1) School of Materials Science and Engineering, Xi'an University of Technology, Xi'an, Shaanxi, 710048, China; (2) Xi'an Institute of Optics and Precision Mechanics of CAC, Xi'an, Shaanxi, 710068, China
Corresponding author:Zhao, G.
Source title:OSA Trends in Optics and Photonics Series
Abbreviated source title:OSA Trends Opt. Photonics Series
Volume:99
Monograph title:OSA Trends in Optics and Photonics Series - 10th International Conference on Photorefractive, Effects, Materials, and Devices, Proceedings
Issue date:2005
Publication year:2005
Pages:281-287
Language:English
ISSN:10945695
Document type:Conference article (CA)
Conference name:10th International Conference on Photorefractive, Effects, Materials, and Devices
Conference date:July 19, 2005 - July 23, 2005
Conference location:Hainan, China
Conference code:66936
Sponsor:Nankai University, Tianjin, China; Optical Society of America; National Natural Science Foundation of China; Physics Society of China; Ministry of Education of China
Publisher:Optical Society of America
Abstract:In this study we synthesized the metal chelate complexes of Si, Al and Zr by the chemical modification. The photosensitive gel films on silicon and quartz substrates with chelate complexes as precursor were fabricated using sol-gel method. The hologram gratings of 2000 lines/mm were obtained by the use of a two-beam interference laser on the photosensitive gel films, which were exposed to the interference fringe of 325 nm He-Cd laser beams. After laser irradiation, the gel films were leached in alcohol, and heat-treated at 500°C, the organism was volatilized and the grating became into inorganic films that combined with the substrates firmly. This paper also studied the characteristics of UV spectrum and IR spectrum of the photosensitive gel films, and their variations in the process of laser irradiation and heat treatment in high temperature. Through the way above, the photosensitization mechanism and the characteristic of chemical structure of the thin films were investigated; also the diffraction efficiency was studied.
Number of references:7
Main heading:Fiber Bragg gratings
Controlled terms:Chemical modification - Gels - Laser beam effects - Photosensitivity - Quartz - Thin films - Ultraviolet radiation
Uncontrolled terms:Interference laser - Photosensitive gel films - Photosensitization
Classification code:804 Chemical Products Generally - 802.2 Chemical Reactions - 801.3 Colloid Chemistry - 744.8 Laser Beam Interactions - 741.1 Light/Optics - 714.2 Semiconductor Devices and Integrated Circuits - 482.2 Minerals
Treatment:Theoretical (THR)
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 14>
Accession number:2005509546391
Title:Synthesis and spectra properties of rare-earth (Sm<sup>3+</sup>) organic complexes
Authors:Sun, Ting (0); Wang, Yaoxiang (0); Tian, Weijian (0); Zhang, Xinglong (0); Yu, Huixia (0); Wang, Lili (0); Huang, Changqing (0); Jing, Min (0)
Corr. author affiliation:Information photonics laboratory, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China
Source title:Guangzi Xuebao/Acta Photonica Sinica
Abbreviated source title:Guangzi Xuebao
Volume:34
Issue:11
Issue date:November 2005
Publication year:2005
Pages:1654-1657
Language:Chinese
ISSN:10044213
CODEN:GUXUED
Document type:Journal article (JA)
Publisher:Chinese Optical Society, Xi'an, China
Abstract:Three rare earth (Sm<sup>3+</sup>) binary chelates with Hexafluoroacetyl acetone (HFA), thenoyltrifluoroacetylacetone (HTTA) and dibenzoylmethide (DBM) as the ligands were synthesized, respectively. The absorption and fluorescence properties of the ligands and their chelates Sm(TTA)<sub>3</sub>, Sm (HFA)<sub>3</sub>, Sm(DBM)<sub>3</sub> were investigated. For both Sm(HFA)<sub>3</sub> and Sm(TTA)<sub>3</sub>, there existed a strong fluorescence peak in 645 nm, which ascribed to the transition of <sup>4</sup>G<sub>5/2</sub>-><sup>6</sup>H<sub>9/2</sub> of Sm<sup>3+</sup>. However, the plentiful C-H grouped on the rare earth complex Sm(DBM)<sub>3</sub> presumably was quenched the luminescence by nonradiative dissipation of energy which brought from the high energy C-H vibrations, resulting in no peaks over all inspected wavelengths. It was also found the fluorescence intensity of complex Sm(TTA)<sub>3</sub> was the topmost, which was firstly attributed to two substituents on the ligand, -CF<sub>3</sub> and s. Secondly, among three complexes, the match of Sm<sup>3+</sup> and HTTA was the best and lead to stronger fluorescence intensity of complex Sm(TTA)<sub>3</sub>, according to previous research that the degree of energy level match of the ligand and rare-earth(Sm<sup>3+</sup>) affected fluorescence efficiency of complexes. Thirdly, the easier the f-f transition became, the more asymmetry the β-diketone ligand became. In the research, HTTA was an asymmetric ligand, HFA and DBM were symmetric ligands. In conclusion, the fluorescence intensity of Sm(TTA)<sub>3</sub> was maximal among Sm(TTA)<sub>3</sub>, Sm (HFA)<sub>3</sub> and Sm(DBM)<sub>3</sub> and thus HTTA was a good ligand of Sm<sup>3+</sup> for red fluorescence.
Number of references:6
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 15>
Accession number:2005329290687
Title:Flying height control of solid immersion lens by slipstream
Authors:Feng, Xiaoqiang (0); He, Fengtao (0); Zhang, Dongling (0); Bai, Yonglin (0); Hou, Xun (0)
Corr. author affiliation:State Key Laboratory of Transient Optics and Technology, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China
Source title:Guangzi Xuebao/Acta Photonica Sinica
Abbreviated source title:Guangzi Xuebao
Volume:34
Issue:6
Publication year:2005
Pages:927-930
Language:Chinese
ISSN:10044213
CODEN:GUXUED
Document type:Journal article (JA)
Publisher:Chinese Optical Society, Xi'an, China
Abstract:To use solid immersion lens is one of the practical methods to realize the near-field high-density optical data storage. But the storage system will work only on the condition that the distance between the bottom of the SIL and the surface of media is exactly controlled within the sub-wavelength scale. In this letter the flying height of the SIL is measured by the capacity between the SIL and the disc, and the SIL fixed in flying head is loaded on the surface of the rotating disc by flexible cantalever. The SIL will fly at different height with the different rotating speed of the disc. When it works, a computer is used to detect the flying height of the SIL, and after comparing this result with the preset value, it controls the disc to accelerate or decelerate, and this will result in adjusting the flying height of the SIL. In this way a certain height within the scale of 150~600 nm of the flying height over the disc surface is dynamically controlled when the disc is rotating in high speed.
Number of references:6
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 16>
Accession number:2005479497600
Title:Analysis and revision on spectra aliasing of Hadamard transform spectral imager
Authors:Zhou, Jinsong (0); Lu, Qunbo (0); Xiangli, Bin (0)
Corr. author affiliation:Laboratory of Spectral Imaging Technique, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China
Source title:Guangzi Xuebao/Acta Photonica Sinica
Abbreviated source title:Guangzi Xuebao
Volume:34
Issue:10
Issue date:October 2005
Publication year:2005
Pages:1518-1521
Language:Chinese
ISSN:10044213
CODEN:GUXUED
Document type:Journal article (JA)
Publisher:Chinese Optical Society, Xi'an, China
Abstract:The principle and instrument structure of Hadamard transform spectral imager is described, and spectra aliasing caused by Hadamard encoding mask is investigated. Spectra aliasing formula is obtained in theory and the method of spectra revision is proposed. Simulation results show that this method is simple and effective. The resolution of spectral images revised depends on space component corresponding to the code which is deviated from optic axis most.
Number of references:8
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 17>
Accession number:2005429423766
Title:Figure-of-eight cavity Yb<sup>3+</sup>-doped fiber mode-locked lasers
Authors:Ma, Hai-Quan (1); Liu, Chang (1); Zhao, Wei (1); Wang, Yi-Shan (1); Chen, Guo-Fu (1); Cheng, Zhao (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:Ma, H.-Q.(mhq@opt.ac.cn)
Source title:Zhongguo Jiguang/Chinese Journal of Lasers
Abbreviated source title:Zhongguo Jiguang
Volume:32
Issue:9
Issue date:September 2005
Publication year:2005
Pages:1173-1177
Language:Chinese
ISSN:02587025
CODEN:ZHJIDO
Document type:Journal article (JA)
Publisher:Science Press
Abstract:The experimental study of Yb<sup>3+</sup>-doped fiber lasers using the nonlinear optical loop mirror (NOLM) for mode-locked operating is reported in this paper. The fiber laser can generate 2.05 mW average power of 234 ps pulse duration at a repetition rate of 3.842 MHz, and operating center wavelength is 1053 nm, spectrum width is about 6 nm. The operating center wavelength can be tuned from 1030 nm to 1081 nm, the self-starting of the mode-locked fiber laser can be achieved easily, and the mode-locked operation can be hardly influenced by the environment disturbance in days. It can be used for a seed in the high energy mode-locked fiber laser system successfully, furthermore, it can be applied in science and engineering as a center wavelength-tunable mode-locked fiber laser hopefully.
Number of references:12
Main heading:Fiber lasers
Controlled terms:Laser mode locking - Laser pulses - Optical communication - Optical design - Spectrum analysis - Ytterbium
Uncontrolled terms:Figure of eight laser cavity - Laser technique - Nonlinear optical loop mirror - Passive mode-locked - Yb<sup>3+</sup>-doped fiber
Classification code:547.2 Rare Earth Metals - 717.1 Optical Communication Systems - 741.1 Light/Optics - 744.1 Lasers, General - 744.4 Solid State Lasers
Treatment:Applications (APP); Experimental (EXP)
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 18>
Accession number:2005129008289
Title:Numerical analysis of coupled-wave equation derived from multiple scattering theory using rouge-Kutta method
Authors:Zhu, Jingping (0); Li, Yang (0); Tang, Ruixin (0); Hou, Xun (0)
Corr. author affiliation:Inst. of Optics and Precision Mech., CAS, Xi'an 710068, China
Source title:Guangzi Xuebao/Acta Photonica Sinica
Abbreviated source title:Guangzi Xuebao
Volume:34
Issue:2
Issue date:February 2005
Publication year:2005
Pages:284-287
Language:Chinese
ISSN:10044213
CODEN:GUXUED
Document type:Journal article (JA)
Publisher:Chinese Optical Society, Xi'an, China
Abstract:Fourth-order Runge-Kutta method was proposed to solve the acousto-optic couple-wave equation derived from the multiple scattering theory. Bragg diffraction efficiency varying with the key parameters was numerical simulated. The relation between the Bragg diffraction efficiency and the incidence light which was deflected from the exact Bragg incidence angle was analyzed. The optimal parameters selected according to the Bragg diffraction efficiency was discussed too. The numerical simulation result showed that, when Q = 4π, the Bragg diffraction efficiency was 97%, this was coincident with the traditional characteristic length.
Number of references:13
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 19>
Accession number:2005449441842
Title:Electrical pulse-shaping system on the high power laser system
Authors:Li, Dong (0); Liu, Baiyu (0); Liu, Jinyuan (0); Ouyang, Xian (0); Bai, Yonglin (0); Bai, Xiaohong (0); Wang, Chen (0); Tian, Jinshou (0); Huang, Lei (0); Li, Hui (0)
Corr. author affiliation:State Key Laboratory of Transient Optics and Technology, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China
Source title:Guangzi Xuebao/Acta Photonica Sinica
Abbreviated source title:Guangzi Xuebao
Volume:34
Issue:9
Issue date:September 2005
Publication year:2005
Pages:1304-1306
Language:Chinese
ISSN:10044213
CODEN:GUXUED
Document type:Journal article (JA)
Publisher:Chinese Optical Society, Xi'an, China
Abstract:The arbitrary waveform generator (AWG) has been developed by using GaAs field-effect transistors(FETs) and microstrip technology. The shaped electrical waveform can be adjusted. The Full-Width-Half-Maximum (FWHM) is from 0 to 3.5 ns and amplitude from 0 to 5 V. Timing precision is 200 ps. The rise time of the shaped square electrical waveform is 383 ps and the fall time is 642 ps. The top flatness of the pulse is 4~5%. The amplitude stability of the pulse is 4~5% (p-p). The AWG has been applied in the high power laser system successfully.
Number of references:6
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 20>
Accession number:2006019625789
Title:Polarization holographic high-density optical data storage in bacteriorhodopsin film
Authors:Yao, Baoli (1); Ren, Zhiwei (1); Menke, Neimule (1); Wang, Yingli (1); Zheng, Yuan (1); Lei, Ming (1); Chen, Guofu (1); Hampp, Norbert (2)
Author affiliation:(1) State Key Laboratory of Transient Optics Technology, Xi'An Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China; (2) Institute of Physical Chemistry, University of Marburg, D-35032 Marburg, Germany
Corresponding author:Yao, B.(yaobl@opt.ac.cn)
Source title:Applied Optics
Abbreviated source title:Appl. Opt.
Volume:44
Issue:34
Issue date:December 1, 2005
Publication year:2005
Pages:7344-7348
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:Optical films containing the genetic variant bacteriorhodopsin BR-D96N were experimentally studied in view of their properties as media for holographic storage. Different polarization recording schemes were tested and compared. The influence of the polarization states of the recording and readout waves on the retrieved diffractive image's intensity and its signal-to-noise ratio were analyzed. The experimental results showed that, compared with the other tested polarization relations during holographic recording, the discrimination between the polarization states of diffracted and scattered light is optimized with orthogonal circular polarization of the recording beams, and thus a high signal-to-noise ratio and a high diffraction efficiency are obtained. Using a He-Ne laser (633 nm, 3 mW) for recording and readout, a spatial light modulator as a data input element, and a 2D-CCD sensor for data capture in a Fouriertransform holographic setup, a storage density of 2 × 10<sup>8</sup> bits/cm<sup>2</sup> was obtained on a 60 × 42 μm <sup>2</sup> area in the BR-D96N film. The readout of encoded binary data was possible with a zero-error rate at the tested storage density. © 2005 Optical Society of America.
Number of references:11
Main heading:Thin films
Controlled terms:Charge coupled devices - Helium - Lasers - Light scattering - Neon - Optical properties - Polarization - Sensors
Uncontrolled terms:Holographic storage - Polarization states
Classification code:701.1 Electricity: Basic Concepts and Phenomena - 714.2 Semiconductor Devices and Integrated Circuits - 732.2 Control Instrumentation - 741.1 Light/Optics - 744.1 Lasers, General - 804 Chemical Products Generally
Treatment:Experimental (EXP)
DOI:10.1364/AO.44.007344
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 21>
Accession number:20141817675671
Title:High fixed diffraction efficiency in LiNbO<inf>3</inf>: Ce: Cu crystal using optimal switching from holographic recording to fixing
Authors:Ren, Liyong (1); Yao, Baoli (1); Liu, Liren (2); Liu, De'an (2)
Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China; (2) Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, P. O. Box 800-211, Shanghai 201800, China
Source title:Optics InfoBase Conference Papers
Abbreviated source title:Opt.InfoBase Conf. Papers
Monograph title:Advanced Solid-State Photonics, ASSP 2005
Issue date:2005
Publication year:2005
Language:English
E-ISSN:21622701
ISBN-10:1557527814
ISBN-13:9781557527813
Document type:Conference article (CA)
Conference name:Advanced Solid-State Photonics, ASSP 2005
Conference date:February 6, 2005 - February 6, 2005
Conference location:Vienna, Austria
Conference code:104851
Publisher:Optical Society of America
Abstract:Oscillatory diffraction is observed in LiNbO<inf>3</inf>:Ce:Cu crystal during holographic recording. Optimal switching from recording step to fixing step is proposed which leads theoretically to fixed diffraction of 100%. Experimental supports are also given. © 2004 Optical Society of America.
Number of references:12
Main heading:Optimization
Controlled terms:Diffraction
Uncontrolled terms:Holographic recordings - Optimal switching
Classification code:711.1 Electromagnetic Waves in Different Media - 921.5 Optimization Techniques
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 22>
Accession number:2005499528099
Title:Experiment of cladding pumped femtosecond fiber amplifier
Authors:Shen, Hua (1); Ding, Guang-Lei (1); Wang, Yi-Shan (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
Corresponding author:Shen, H.
Source title:Qiangjiguang Yu Lizishu/High Power Laser and Particle Beams
Abbreviated source title:Qiangjiguang Yu Lizishu
Volume:17
Issue:9
Issue date:September 2005
Publication year:2005
Pages:1341-1343
Language:Chinese
ISSN:10014322
CODEN:QYLIEL
Document type:Journal article (JA)
Publisher:Editorial Office of High Power Laser and Particle Beams
Abstract:Experiment of the double-clad erbium-ytterbium co-doped fiber amplifiers were discussed. This fiber with hexagonal inner clad is utilized as gain medium to amplify femtosecond pulse, which is pumped by LD with pigtail fiber. The signal with 10.8 mW average power at 20.84 MHz repetition rate is amplified to 176 mW by using 50 cm long fiber when launched pumping power is 2.5 W. The gain is 12.2 dB and the single pulse energy is 8.1 nJ. The amplified pulse width is 480 fs, corresponding to a peak power of 16 kW.
Number of references:16
Main heading:Light amplifiers
Controlled terms:Erbium - Light pulse generators - Optical fibers - Optical pumping - Ytterbium
Uncontrolled terms:Double clad fiber - Erbium-ytterbium co-doped - Femtosecond pulse - Fiber amplifier
Classification code:547.2 Rare Earth Metals - 741.1 Light/Optics - 741.3 Optical Devices and Systems
Treatment:Experimental (EXP)
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 23>
Accession number:2006129771104
Title:Double frequency of difference frequency signals for optica doppler effect measuring velocity
Authors:Yang, Xiufang (1); Zhou, Renkui (2); Wei, W.L. (3); Wang, Xiaoming (4)
Author affiliation:(1) SchooI of Mechanical and Instrumental Engineering, X'Ian University of Technology, Xi'an 710048, China; (2) Xi'An Institute of Optus and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China; (3) Department of Hydraulic Engineering, Xi'An University of Technology, Xi'an 710048, China; (4) Xi'An Municipal Government Administration Committee, Xi'an, 710068, China
Corresponding author:Yang, X.
Source title:Proceedings of SPIE - The International Society for Optical Engineering
Abbreviated source title:Proc SPIE Int Soc Opt Eng
Volume:6024
Monograph title:ICO20: Optical Devices and Instruments
Issue date:2005
Publication year:2005
Article number:60240G
Language:English
ISSN:0277786X
CODEN:PSISDG
Document type:Conference article (CA)
Conference name:ICO20: Optical Devices and Instruments
Conference date:August 21, 2005 - August 26, 2005
Conference location:Changchun, China
Conference code:66859
Sponsor:AFOSR Asia Office; Chinese Academy of Sciences, CAS, China; Chinese Academy of Engineering, CAE, China; Chinese Academy of Science and Technology, China; European Optical Society
Publisher:SPIE
Abstract:The mathematical model for measuring moving objects (including fluid body, rolled steel materials in the steel works, turbulent flow, vibration body, etc.) velocity or speed by non-contact method is established using light-wave Doppler effect in this paper. In terms of concrete conditions of different optical circuits, and with the correlated conditions substituted, it is easy to obtain the measurement velocity formulas related to optical circuits. An optical circuit layout of difference Doppler effect measuring velocity is suggested in this paper. The fine beam of light emitted by laser is divided into parallel two beam by spectroscope and mirror They are focused on the object point p by a condenser lens respectively. The object point p become a diffuse source. It scatter rays to every aspect. Some rays scattered by the diffuse source p are collected by a lens. Photoelectric detecter receive the lights collected by the lens. This optical circuit layout can realize the double frequency of difference frequency signals in a novel way.
Number of references:4
Main heading:Signal processing
Controlled terms:Doppler effect - Mathematical models - Natural frequencies - Turbulent flow
Uncontrolled terms:Diffuse source - Double frequency - Frequency difference
Classification code:631.1 Fluid Flow, General - 711.1 Electromagnetic Waves in Different Media - 716.1 Information Theory and Signal Processing - 921 Mathematics
Treatment:Theoretical (THR)
DOI:10.1117/12.666820
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 24>
Accession number:2005229137557
Title:Theoretical calculation and experimental measurement of photoinduced refractive index change of bacteriorhodopsin film
Authors:Dong, Weibin (0); Yao, Baoli (0); Menke, Neimule (0); Wang, Yingli (0); Zheng, Yuan (0); Lei, Ming (0); Chen, Guofu (0)
Corr. author affiliation:State Key Laboratory of Transient Optics Technology, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China
Source title:Guangzi Xuebao/Acta Photonica Sinica
Abbreviated source title:Guangzi Xuebao
Volume:34
Issue:4
Issue date:April 2005
Publication year:2005
Pages:598-600
Language:Chinese
ISSN:10044213
CODEN:GUXUED
Document type:Journal article (JA)
Publisher:Chinese Optical Society, Xi'an, China
Abstract:BR-D96N is a genetic mutant of bacteriorhodopsin (BR) with obviously photochromic characteristic benefiting from the prolonged lifetime of the M state. According to the Kramers-Kronig relation the absorption spectrum change of a sample will cause the refractive index change. In this paper, the autors firstly measured the absorption spectra of the BR-D96N film before and after light irradiation. Then the refractive index change spectrum of the sample is calculated according to the Kramers-Kronig transformation. In order to directly measure the photoinduced refractive index change of the bacteriorhodopsin film, Michelson interferometer is used to measure the refractive index change at different wavelength. The experimentally measured values were compared with the theoretically calculated curve.
Number of references:8
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 25>
Accession number:2006069686942
Title:Design and realization of the microcomputer system of multispectral digital camera based on single chip computer and CPLD
Authors:Da, Xuanfu (0); Zhang, Boheng (0); Bian, Chuanping (0); Lai, Linfang (0)
Corr. author affiliation:Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China
Source title:Guangzi Xuebao/Acta Photonica Sinica
Abbreviated source title:Guangzi Xuebao
Volume:34
Issue:12
Issue date:December 2005
Publication year:2005
Pages:1914-1917
Language:Chinese
ISSN:10044213
CODEN:GUXUED
Document type:Journal article (JA)
Publisher:Chinese Optical Society, Xi'an, China
Abstract:The design and realization of the microcomputer System of multispectral digital camera based on single chip computer and CPLD had been introduced. Single chip computer was the core of the system, and a CPLD had been used to extend the control interface of it. The CPLD was programmed by VHDL and graphic editor, and made the CPLD a multiple-use I/O interface chip. The design not only predigested the circuit, minished the size of circuit board and reduced the power dissipation, but also was easy to modify the configure of interface. And it fit for applications of microcomputer system of the multispectral camera.
Number of references:8
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 26>
Accession number:2005439439408
Title:Endmember determination in hyperspectral data
Authors:Lu, Qunbo (0); Xiangli, Bin (0); Xue, Bin (0); Zhou, Jinsong (0)
Corr. author affiliation:Xi'an Institute of Optics and Precision Mechanics, CAS, Xi'an 710068, China
Source title:Guangzi Xuebao/Acta Photonica Sinica
Abbreviated source title:Guangzi Xuebao
Volume:34
Issue:9
Issue date:September 2005
Publication year:2005
Pages:1336-1339
Language:Chinese
ISSN:10044213
CODEN:GUXUED
Document type:Journal article (JA)
Publisher:Chinese Optical Society, Xi'an, China
Abstract:The analysis of hyperspectral data using linear unmixing requires the determination of endmembers consisting in hyperspectral data. All endmember determination methods at present need complex calculation and can not be proved universal for all the hyperspectral data. According to the effective analysis of the information presented in hyperspectral data, a new method based on feature space analysis and spectral correlation mapping (FSASCM) was proposed. The method mentioned is simple and universal for almost all the hyperspectral data.
Number of references:14
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 27>
Accession number:2006129771157
Title:Optical system design of descent camera
Authors:Wang, Hu (1); Li, Yingcai (1); Miao, Xinghua (1); Wen, Desheng (1); Zhao, Baochang (1)
Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanism, Chinese Academy of Sciences, P.O.Box 80(49), Xi'an 710068, China; (2) Graduate School, Chinese Academy of Sciences, Beijing, 100039, China
Corresponding author:Wang, H.(wanghu@opt.ac.cn)
Source title:Proceedings of SPIE - The International Society for Optical Engineering
Abbreviated source title:Proc SPIE Int Soc Opt Eng
Volume:6024
Monograph title:ICO20: Optical Devices and Instruments
Issue date:2005
Publication year:2005
Article number:60241X
Language:English
ISSN:0277786X
CODEN:PSISDG
Document type:Conference article (CA)
Conference name:ICO20: Optical Devices and Instruments
Conference date:August 21, 2005 - August 26, 2005
Conference location:Changchun, China
Conference code:66859
Sponsor:AFOSR Asia Office; Chinese Academy of Sciences, CAS, China; Chinese Academy of Engineering, CAE, China; Chinese Academy of Science and Technology, China; European Optical Society
Publisher:SPIE
Abstract:This paper presents two optical systems of descent cameras. These two lens systems have the same parameter whose effective focal length is 14 mm, F-number is F/8, field of view is 72 degree and the working wavelength rang is 0.5-0.8μm. Two different optical structures were used respectively in these two systems. This paper analyses and compares their capacity respectively. Only two kinds of glass material were used in these two optical systems, the difference from the usual imaging system is that this system is required to be fit for the demand of spaceflight environment. It should be small and light enough on the one hand, and the imaging quality should be high on the other hand. The detector whose image element size is 14 um, its Nyquist cut-off frequency is 35.711p/mm, its diffraction limit MTF is 0.76. Program 1's 1.0 field MTF0.58 at the Nyquist cut-off frequency. The biggest relative distortion of this system is+0.2%, Image irradiance at the edge of the field was found to be 50% of the central value. In the design of program 2, MTF approach diffraction limit, the biggest relative distortion in 1.0 field is 0.7%. Because of the structure of telecentric beam path design, the relative illumination in 72° view field is comparatively average.
Number of references:3
Main heading:Optical systems
Controlled terms:Cameras - Image quality - Imaging systems - Light sources - Natural frequencies
Uncontrolled terms:Diffraction limit - Lens systems - Optical system design - Telecentric beam path
Classification code:707.2 Electric Lamps - 711.1 Electromagnetic Waves in Different Media - 723.2 Data Processing and Image Processing - 741 Light, Optics and Optical Devices - 741.3 Optical Devices and Systems - 742.2 Photographic Equipment
Treatment:Theoretical (THR)
DOI:10.1117/12.666941
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 28>
Accession number:2005249157008
Title:Ultrafast dynamics of electron and hole in ZnSe quantum dots in gel glasses
Authors:He, Junfang (1); Wang, Minqiang (2); Luo, Zhihui (1); Zhang, Sujuan (1); Wang, Shuicai (1)
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, 710068, China; (2) Electronic Materials Research Laboratory, Xi'an Jiaotong University, Xi'an, 710049, China
Corresponding author:He, J.
Source title:Proceedings of SPIE - The International Society for Optical Engineering
Abbreviated source title:Proc SPIE Int Soc Opt Eng
Volume:5635
Monograph title:Nanophotonics, Nanostructure, and Nanometrology
Issue date:2005
Publication year:2005
Pages:190-193
Language:English
ISSN:0277786X
CODEN:PSISDG
Document type:Conference article (CA)
Conference name:Nanophotonics, Nanostructure, and Nanometrology
Conference date:November 8, 2004 - November 10, 2004
Conference location:Beijing, China
Conference code:64962
Sponsor:SPIE; COS - Chinese Optical Society
Publisher:SPIE
Abstract:ZnSe/SiO<inf>2</inf> silica gel glasses were prepared through a sol-gel process. A femtosecond transient absorption spectroscopy and a time-resolved photoluminescence spectroscopy were used to detect the electron and hole relaxation in the ZnSe QDs. In the case of excitation 3.76eV, the TA and PL spectra were detected. The results showed that two competing processes, electron-hole recombination and surface electron trapping, occur in 10-100 ps time scale and the holes on valance band decay in about 1 ps.
Number of references:13
Main heading:Semiconductor quantum dots
Controlled terms:Electrons - Glass - Hole mobility - Photoluminescence - Relaxation processes - Semiconducting selenium compounds - Semiconducting zinc compounds - Silica gel - Sol-gels
Uncontrolled terms:Gel glasses - Hole relaxation - Surface electron trapping - Ultrafast dynamics
Classification code:931.1 Mechanics - 812.3 Glass - 804 Chemical Products Generally - 741.1 Light/Optics - 714.2 Semiconductor Devices and Integrated Circuits - 712.1.2 Compound Semiconducting Materials - 701.1 Electricity: Basic Concepts and Phenomena
Treatment:Theoretical (THR); Experimental (EXP)
DOI:10.1117/12.576674
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 29>
Accession number:2005419406277
Title:Design of Content-based Retrieval in Remote Sensing Image Database
Authors:Li, Feng (0); Zeng, Zhiming (0); Fu, Kun (0); Wu, Yirong (0)
Corr. author affiliation:Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China
Source title:Wuhan Daxue Xuebao (Xinxi Kexue Ban)/Geomatics and Information Science of Wuhan University
Abbreviated source title:Wuhan Daxue Xuebao (Xinxi Kexue Ban)
Volume:30
Issue:9
Issue date:September 2005
Publication year:2005
Pages:787-790
Language:Chinese
ISSN:16718860
CODEN:WCKXE7
Document type:Journal article (JA)
Publisher:Periodicals Press of Wuhan University, Wuhan, China
Abstract:It is one of key techniques to retrieve the object region efficaciously from massive remote sensing image database. In this paper, we give a kind of model of content-based retrieval in remote sensing image according to the characters of remote sensing image application firstly, and then we analyze and discuss the algorithm for feature extraction adopted and multidimensional indexing and relevance feedback by this model in detail. Finally, we propose the intending contents to be research in this model.
Number of references:10
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 30>
Accession number:2005389374996
Title:High-power double-clad large-mode-area photonic crystal fiber laser
Authors:Li, Kang (1); Wang, Yishan (1); Zhao, Wei (1); Chen, Guofu (1); Peng, Qinjun (2); Cui, Dafu (2); Xu, Zuyan (2)
Author affiliation:(1) State Key Laboratory of Transient Optics Technology, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China; (2) Key Laboratory of Optical Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China; (3) Graduate School, Chinese Academy of Sciences, Beijing 100039, China
Corresponding author:Li, K.(likang@opt.ac.cn)
Source title:Chinese Optics Letters
Abbreviated source title:Chin. Opt. Lett.
Volume:3
Issue:8
Issue date:August 2005
Publication year:2005
Pages:457-459
Language:English
ISSN:16717694
Document type:Journal article (JA)
Publisher:Science Press
Abstract:A high power double-clad ytterbium-doped large-mode-area photonic crystal fiber (LMA PCF) laser was demonstrated using a unique Fabry-Perot (F-P) configuration. The pump source is a fiber coupled diode array operating at 976 nm. A continuous wave (CW) output power of 50 W at ∼1.04 μm with a slope efficiency of 76.3% is obtained. Single transverse mode operation is achieved without any thermal-optical problems. This laser has the potential for scaling to much higher output power.
Number of references:7
Main heading:Fiber lasers
Controlled terms:Cladding (coating) - Continuous wave lasers - Fabry-Perot interferometers - High power lasers - Optical pumping - Optically pumped lasers - Ytterbium
Uncontrolled terms:Double clad fiber laser - Fiber coupled diode array - Large-mode-area fiber laser - Photonic crystal fiber laser - Slope efficiency
Classification code:547.2 Rare Earth Metals - 741.1.2 Fiber Optics - 744.1 Lasers, General - 744.4 Solid State Lasers
Treatment:Applications (APP)
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 31>
Accession number:2006109747500
Title:Spatial scalable coding of images and optimal bit allocation
Authors:Ma, She-Xiang (1); Liu, Tie-Gen (1); Liu, Gui-Zhong (3)
Author affiliation:(1) College of Precision Instrument and Optoelectronics Engineering, Tianjin University, Tianjin 300072, China; (2) Department of Optoelectronics Information and Electronics Engineering, Tianjin University of Technology, Tianjin 300191, China; (3) Institute of Information and Communication Engineering, Xi'an Jiaotong University, Xi'an 710049, China
Corresponding author:Ma, S.-X.(masx@eyou.com)
Source title:Guangdianzi Jiguang/Journal of Optoelectronics Laser
Abbreviated source title:Guangdianzi Jiguang
Volume:16
Issue:12
Issue date:December 2005
Publication year:2005
Pages:1500-1505
Language:Chinese
ISSN:10050086
CODEN:GUJIE9
Document type:Journal article (JA)
Publisher:Board of Optronics Lasers
Abstract:Image compression algorithms such as EZW algorithm and SPHT algorithm have a high compression rate. In order to obtain spatial scalability at the same compression rate, SPIHT algorithm is analyzed. In the proposed algorithm, the coding information of a isolated pixel (significant or insignificant) is outputted to the bitstream which the pixel is located; the coding information of a set is outputted to the bitstream which according to the highest layer pixels of the set is located. Although the low-frequency subband is encoded together with the high-frequency subbands, the experimental results show that the bit rate is very close to the results of the low-frequency subband is encoded independently. Meanwhile, an optimal bit allocation scheme between base-layer bitstream and enhanced-layer bitstream is also given. The simulation results show that the number of bit of base-layer bitstream is different with respect to compressed images and the compression rate.
Number of references:11
Main heading:Image coding
Controlled terms:Algorithms - Computer simulation - Image compression - Optimal control systems - Wavelet transforms
Uncontrolled terms:Base layer - Bit allocation - Compression rate - Enhanced layer - Spatial scalability
Classification code:723.2 Data Processing and Image Processing - 723.5 Computer Applications - 731.1 Control Systems - 921.3 Mathematical Transformations - 921.6 Numerical Methods
Treatment:Applications (APP); Experimental (EXP)
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 32>
Accession number:2005379353037
Title:Z-scan theory based on diffraction theory with consideration of two-photon absorption
Authors:Li, Xia (0); Yao, Baoli (0); Hou, Xun (0)
Corr. author affiliation:Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China
Source title:Guangzi Xuebao/Acta Photonica Sinica
Abbreviated source title:Guangzi Xuebao
Volume:34
Issue:7
Issue date:July 2005
Publication year:2005
Pages:1010-1014
Language:Chinese
ISSN:10044213
CODEN:GUXUED
Document type:Journal article (JA)
Publisher:Chinese Optical Society, Xi'an, China
Abstract:Based on Fresnel-Kirchhoff diffraction theory, a diffraction model of a nonlinear optical medium to a Gaussian beam is built. The propagation behavior of the Gaussian beam passing through the nonlinear optical medium is theoretically deduced and numerically simulated, which can explain the Z-scan phenomenon from a new approach. From this theory, a unified equation is derived, which can describe both the closed-aperture Z-scan curve and the open-aperture Z-scan curve with consideration of the two-photon absorption. It provides a new way to calculate the nonlinear refraction index and the two-photon absorption coefficients. Numeric simulation shows that for the closed-aperture Z-scan considering the two-photon absorption, the simulation results are well consistent with the conventional theory. For a given open-aperture Z-scan curve, the two-photon absorption coefficient computed by the new Z-scan theory is 1/3 of the value fitted by the conventional Z-scan theory, whereas other conclusions are identical to the conventional Z-scan theory. This theory has better accuracy than the conventional Z-scan theory because the approximate conditions are only thin sample and small nonlinear absorption.
Number of references:6
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 33>
Accession number:2005489507246
Title:Polarization multiplexed write-once-read-many optical data storage in bacteriorhodopsin films
Authors:Yao, Baoli (1); Lei, Ming (1); Ren, Liyong (1); Menke, Neimule (1); Wang, Yingli (1); Fischer, Thorsten (2); Hampp, Norbert (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 710068, China; (2) Department of Chemistry, University of Marburg, D-35032 Marburg, Germany; (3) Material Science Center, D-35032 Marburg, Germany
Corresponding author:Yao, B.(yaobl@opt.ac.cn)
Source title:Optics Letters
Abbreviated source title:Opt. Lett.
Volume:30
Issue:22
Issue date:November 15, 2005
Publication year:2005
Pages:3060-3062
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:In polymeric films of bacteriorhodopsin (BR) a photoconversion product, which was named the F620 state, was observed on excitation of the film with 532 nm nanosecond laser pulses. This photoproduct shows a strong nonlinear absorption. Such BR films can be used for write-once-read-many (WORM) optical data storage. We demonstrate that a photoproduct similar or even identical to that obtained with nanosecond pulses is generated on excitation with 532 nm femtosecond pulses. This photoproduct also shows strong anisotropic absorption, which facilitates polarization storage of data. The product is thermally stable and is irretrievable to the initial B state either by photochemical reaction or through a thermal pathway. The experimental results indicate that the product is formed by a two-photon absorption process. Optical WORM storage is demonstrated by use of two polarization states, but more polarization states may be used. The combination of polarization data multiplexing and extremely short recording time in the femtosecond range enables very high data volumes to be stored within a very short time. © 2005 Optical Society of America.
Number of references:20
Main heading:Optical data storage
Controlled terms:Anisotropy - Bacteria - Electric excitation - Laser pulses - Light absorption - Light polarization - Multiplexing - Nonlinear optics - Photochemical reactions - Plastic films
Uncontrolled terms:Bacteriorhodopsin (BR) - Bacteriorhodopsin films - Photoproduct - Write-once-read-many (WORM)
Classification code:931.2 Physical Properties of Gases, Liquids and Solids - 817.1 Polymer Products - 744.1 Lasers, General - 741.3 Optical Devices and Systems - 741.1.1 Nonlinear Optics - 741.1 Light/Optics - 716 Telecommunication; Radar, Radio and Television - 705.1 Electric Machinery, General - 461.9 Biology
Treatment:Theoretical (THR); Experimental (EXP)
DOI:10.1364/OL.30.003060
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 34>
Accession number:2005088850031
Title:Polarization patterns hide and display using photoinduced anisotropy of photochromic flgide
Authors:Yao, Baoli (1); Wang, Yingli (1); Lei, Ming (1); Menke, Neimule (1); Chen, Guofu (1); Yi, Chen (2); Li, Tiankai (2); Fan, Meigong (2)
Author affiliation:(1) State Key Lab. Transient Opt. T., Xi'an Inst. Opt. and Prec. Mechanics, Chinese Academy of Sciences, Xi'an 710068, China; (2) Tech. Inst. of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100101, China
Corresponding author:Yao, B.(yaobl@opt.ac.cn)
Source title:Optics Express
Abbreviated source title:Opt. Express
Volume:13
Issue:1
Issue date:January 2005
Publication year:2005
Pages:20-25
Language:English
ISSN:10944087
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:Photoinduced anisotropy of a photochromic pyrrylfulgide/PMMA film was investigated by using two linearly polarized beams. Excitation by linearly polarized light induces into the film an optical axis that has the same polarization as the excitation beam. This causes a change of the transmittance and of the polarization state of the detection beam. With a microscope a matrix of 4×4 light spots with different polarizations were recorded in the pyrrylfulgide/PMMA film. If readout with non-polarized light, the matrix of light spots show no information pattern. However, when readout with differently polarized lights, different patterns can be displayed. The experiment demonstrates that pyrrylfulgide/PMMA films can be used to hide two differently polarized patterns, which may be applied in camouflage technology. © 2005 Optical Society of America.
Number of references:13
Main heading:Plastic films
Controlled terms:Anisotropy - Birefringence - Light polarization - Optical materials - Photochromism - Polymethyl methacrylates - Refractive index - Semiconductor lasers
Uncontrolled terms:Anisotropic optical materials - Camouflage technology - Photoinduced anisotropy - Transmittance
Classification code:741.1 Light/Optics - 741.3 Optical Devices and Systems - 744.4.1 Semiconductor Lasers - 815.1.1 Organic Polymers - 817.1 Polymer Products - 931.2 Physical Properties of Gases, Liquids and Solids
Treatment:Experimental (EXP)
DOI:10.1364/OPEX.13.000020
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 35>
Accession number:2005108876187
Title:New image segmentation methods based on regionally minimal cost watershed transform
Authors:Zhou, Junni (0); Cao, Jianzhong (0); Liu, Bo (0); Tian, Yan (0); Yang, Xiaojun (0); Li, Bianxia (0); Du, Yunfei (0)
Corr. author affiliation:Inst. of Optics and Precision Mech., CAS, Xi'an 710068, China
Source title:Guangzi Xuebao/Acta Photonica Sinica
Abbreviated source title:Guangzi Xuebao
Volume:34
Issue:1
Issue date:January 2005
Publication year:2005
Pages:142-145
Language:Chinese
ISSN:10044213
CODEN:GUXUED
Document type:Journal article (JA)
Publisher:Chinese Optical Society, Xi'an, China
Abstract:According to mathematical morphology, a new image segmentation method based on regionally minimal cost watershed transform is introduced. Firstly, local region needing watershed was segmented after erosion, dilation and edge detection by canny. Secondly, the local region of the picture is processed applying the methods in this paper. And in the last of this paper many rules solving over-segmentation are introduced. Experiments show that the new algorithm's time is low and the method in this paper has the advantage of giving accurate contour of object.
Number of references:9
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 36>
Accession number:2006129771003
Title:Phase locking of laser array
Authors:Zhou, Yi (1); Liu, Liping (2); Kong, Fanting (2); Chen, Y.C. (2); Peng, Qingjun (3); Sun, Zhipei (3); Xu, Zuyan (3); Wang, Yisan (4); Li, Kang (4); Zhao, Wei (4); Lee, Kotik K. (5)
Author affiliation:(1) Academy of Opto-Electronics, Chinese Academy of Sciences, East Rd 95 Zhongguancun, Beijing 100080, China; (2) Department of Physics and Astronomy, Graduate School, City University of New York, 695 Park Avenue, New York, NY 10021, United States; (3) Optics Physics Lab, CL06, Institute of Physics, Chinese Academy of Sciences, Beijing, 100080, China; (4) Xi'An Institute of Optics and Precision Mechanics, CAS, Xi'an, 710068, China; (5) Booz Allen Hamilton, 3811 Fairfax Drive, Arlington, VA 22203
Corresponding author:Zhou, Y.
Source title:Proceedings of SPIE - The International Society for Optical Engineering
Abbreviated source title:Proc SPIE Int Soc Opt Eng
Volume:6028
Monograph title:ICO20: Lasers and Laser Technologies
Issue date:2005
Publication year:2005
Article number:602803
Language:English
ISSN:0277786X
CODEN:PSISDG
Document type:Conference article (CA)
Conference name:ICO20: Lasers and Laser Technologies
Conference date:August 21, 2005 - August 26, 2005
Conference location:Changchun, China
Conference code:66860
Sponsor:AFOSR Asia Office; Chinese Academy of Sciences, CAS, China; Chinese Academy of Engineering, CAE, China; Chinese Academy of Science and Technology, China; European Optical Society
Publisher:SPIE
Abstract:In this paper, we discussed different mechanisms which are proved to ensure phase locking in a laser array. We also reported the phase locking in solid-state (crystal) laser array and fiber laser array by using the self-imaging confocal resonator which provides high feedback efficiency, quite insensitive to power variations among the pump beams, simply modal profile and also can achieve phase locking passively. A passive approach is to utilize the process of self-adjustment in lasing frequency to adapt to changes in the optical path lengths. The phase-locked mode is highly stable despite the phase variations in the individual elements caused by thermal and mechanical effects.
Number of references:18
Main heading:Fiber lasers
Controlled terms:Crystalline materials - Mechanical properties - Optical properties - Phase locked loops - Resonators - Thermal effects
Uncontrolled terms:Fiber laser array - Laser array - Self-imaging resonator - Solid-state laser array
Classification code:421 Strength of Building Materials; Mechanical Properties - 713.5 Electronic Circuits Other Than Amplifiers, Oscillators, Modulators, Limiters, Discriminators or Mixers - 714 Electronic Components and Tubes - 741.1 Light/Optics - 744.4 Solid State Lasers - 933.1 Crystalline Solids
Treatment:Theoretical (THR)
DOI:10.1117/12.667115
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 37>
Accession number:2005449454067
Title:Study of X-ray coherent scatter imaging using the clinical X-ray imaging equipments
Authors:Liu, Tai-Hui (0); Liu, Jing-Xin (0); Song, Jian-Zhong (0)
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:31
Issue:SUPPL.
Issue date:September 2005
Publication year:2005
Pages:176-178+182
Language:Chinese
ISSN:10021582
CODEN:GJISEP
Document type:Journal article (JA)
Publisher:Optical Technique, Beijing, China
Abstract:The X-ray coherent scatter imaging with the clinical X-ray imaging equipments was investigated. An experimental flat was built with the clinical X-ray imaging equipments. On it the imaging for a series of samples was made. The curves of the analysis of the images were obtained by image processing methods. The images obtained in different conditions had special traits. After image processing, the result showed the energy distribution was fixed. So the imaging with clinical X-ray equipment is valid. The imaging with clinical equips was a key ways to make the coherent scatter imaging used in clinical way. The experimental result validates the theory of coherent scatter and support the advanced experiment.
Number of references:11
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 38>
Accession number:2005399390085
Title:Glancing-incidence X-ray analysis of ZnO thin films and ZnO/ZnMgO heterostructures grown by laser-MBE
Authors:Yang, Xiaodong (1); Zhang, Jingwen (1); Bi, Zhen (2); He, Yongning (2); Xu, Qing'an (1); Hongbo, Wang (2); Zhang, Weifeng (4); 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, Shaanxi Province, 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; (5) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics, 322 West friendship Road, Xi'an 710068, China
Corresponding author:Yang, X.(xd_yang@163.com)
Source title:Journal of Crystal Growth
Abbreviated source title:J Cryst Growth
Volume:284
Issue:1-2
Issue date:October 15, 2005
Publication year:2005
Pages:123-128
Language:English
ISSN:00220248
CODEN:JCRGAE
Document type:Journal article (JA)
Publisher:Elsevier
Abstract:In this paper, we report on glancing-incidence X-ray analysis (GIXA) of ZnO thin films, ZnO/ZnMgO and ZnO/Au heterostructures grown by laser molecular beam epitaxy (L-MBE) on c-plane Al<inf>2</inf>O<inf>3</inf> substrates. The surface and interface sensitivity of X-ray reflectivity (XRR) has been exploited to evaluate the surfaces and interfaces of ZnO-based structures. The presence of smooth interfaces is responsible for the observation of intensity oscillation in XRR, which is well correlated to the clear Pendellosung fringes in high-resolution X-ray diffraction (HRXRD) measurements. In addition, the simulation of XRR data yields reliable and precise information of the layer thickness, the surface and interface roughness of each layer. The correlation of a smooth surface and high optical and structural quality is substantiated by time-integrated photoluminescence (TIPL) and XRD measurements of ZnO/ZnMgO heterostructure and ZnO thin films. The intense exciton-related emission, in contrast to a negligible deep-level radiation and the high c-axis orientation of ZnO films, indicates good optical and structural properties due to the superior surface and interface quality of our samples. © 2005 Elsevier B.V. All rights reserved.
Number of references:21
Main heading:Zinc compounds
Controlled terms:Heterojunctions - Laser applications - Molecular beam epitaxy - Oscillations - Photoluminescence - Reflection - Surface properties - Thin films - X ray analysis - X ray diffraction
Uncontrolled terms:Glancing incidence X-ray analysis - Laser MBE - Time-integrated photoluminescence - X-ray reflectivity
Classification code:933.1.2 Crystal Growth - 931.3 Atomic and Molecular Physics - 931.2 Physical Properties of Gases, Liquids and Solids - 931.1 Mechanics - 804.2 Inorganic Compounds - 801 Chemistry - 744.9 Laser Applications - 741.1 Light/Optics - 714.2 Semiconductor Devices and Integrated Circuits
Treatment:Experimental (EXP)
DOI:10.1016/j.jcrysgro.2005.06.028
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 39>
Accession number:2765679
Title:Low genetic diversity among populations of the rare Chinese endemic Kingdonia uniflora revealed by RAPD analysis
Authors:Ren, Yi (1); Liu, Xiao (2); Ge, Song (3)
Author affiliation:(1) College of Life Sciences, Shaanxi Normal University, Xi'an 710062, 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) Laboratory of Systematic and Evolution Botany, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China
Corresponding author:Ren, Y.(renyi@snnu.edu.cn)
Source title:Israel Journal of Plant Sciences
Abbreviated source title:Isr. J. Plant Sci.
Volume:53
Issue:1
Issue date:2005
Publication year:2005
Pages:65-73
Language:English
ISSN:07929978
CODEN:IJUPEU
Document type:Journal article (JA)
Publisher:Science From Israel: ADivision of LPPLtd
Abstract:Kingdonia uniflora is an endangered and protected species of China. It is distributed in west Yunnan, from northwest Sichuan to south Gansu, and in the central part of Shaanxi Province. Nine populations of the species from five mountain ranges were examined with random amplified polymorphic DNA (RAPD) markers. The result showed that the genetic diversity is largely within and not among populations. The genetic diversity is 79.14% within populations, 20.49% among populations within mountain ranges, and 0.37% among mountain ranges. The level of genetic diversity of the species is low. The migration rate (Nm) is 0.947, so the contribution of the genetic drift in the genetic diversity is very limited. According to the UPGMA analysis and the Mantel test (r = -0.0006), the genetic differentiation between populations is not related to its geographic distribution pattern. After analysis of the possible history and the biological characteristics of the species, we considered that the low genetic diversity might be not the endangered causation, but the endangered result of K. uniflora. Taking into account the present results, the possible cause of endangerment was discussed. © 2005 Science From Israel / LPPLtd.
Number of references:55
Controlled terms:conservation genetics - endangered species - endemic species - genetic variation
Species terms:Kingdonia uniflora
Regional terms:Asia - China - Eastern Hemisphere - Eurasia - Far East - World
Classification code:73.8.2 Species
DOI:10.1560/F6T1-B9RD-QJDY-Q1NC
Database:GEOBASE
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 40>
Accession number:2005339304870
Title:New picosecond pulse laser
Authors:Gao, Hong-Wen (1); Sun, Chuan-Dong (1); Chen, Zhi (1); Wang, Guo-Zhi (1); Feng, Shan (1)
Author affiliation:(1) Stale Key Laboratory of Transient Optics Technology, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China
Corresponding author:Gao, H.-W.(gaohw@opt.ac.cn)
Source title:Zhongguo Jiguang/Chinese Journal of Lasers
Abbreviated source title:Zhongguo Jiguang
Volume:32
Issue:7
Issue date:July 2005
Publication year:2005
Pages:885-888
Language:Chinese
ISSN:02587025
CODEN:ZHJIDO
Document type:Journal article (JA)
Publisher:Science Press
Abstract:A new picosecond pulse laser consists of a resonator, a single pulse laser selector, two amplifiers, frequency doubling, and so on. A Nd:YAG rod is used as active medium of laser and two Glan prisms are separately used as polarizer and analyzer of polarized light. In order to generate a series of mode-locked pulse laser lights, a passive mode-locked dye cell is used in the resonator. A single pulse laser light is obtained from the series of mode-locked pulse laser lights after they have passed the selector. Finally, after the pulse laser light has been amplified and doubled in frequency, an output of laser light beam with energy of 120 mJ and duration of laser light of 100 ps at wavelength of 532 nm is realized. It is equal about 1.2 × 10<sup>9</sup> W of pulse power or 4.2 × 10<sup>9</sup> W/cm<sup>2</sup> of power density. An out-triggering synchro-precision of better than 2 μs is obtained from the laser.
Number of references:14
Main heading:Neodymium lasers
Controlled terms:Laser mode locking - Laser pulses - Laser resonators - Ultrafast phenomena
Uncontrolled terms:Glan prisms - Nd:YAG rod - Picosecond pulse lasers - Single pulse laser selector
Classification code:741.1.1 Nonlinear Optics - 744.1 Lasers, General - 744.4 Solid State Lasers - 744.7 Laser Components - 744.8 Laser Beam Interactions
Treatment:Applications (APP)
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 41>
Accession number:2006069686920
Title:Optical system design of star sensor with wide-view field and small F-number
Authors:Wang, Hu (0); Miao, Xinghua (0); Wen, Desheng (0); Li, Yingcai (0)
Corr. author affiliation:Xi'an Institute of Optics and Precision Mechanism, Chinese Academy of Sciences, Xi'an 710068, China
Source title:Guangzi Xuebao/Acta Photonica Sinica
Abbreviated source title:Guangzi Xuebao
Volume:34
Issue:12
Issue date:December 2005
Publication year:2005
Pages:1822-1824
Language:Chinese
ISSN:10044213
CODEN:GUXUED
Document type:Journal article (JA)
Publisher:Chinese Optical Society, Xi'an, China
Abstract:This paper presented an optical system of star sensor. The lens system was a complicated double- Gauss configuration which had an effective focal length of 51 mm, an F-number of F/1.1, a field of view of 21°×21° (2ω=30°), and a working wavelength rang of 0.5-0.85 μm. The difference from common lens used in imaging system was that this lens system was required to have a high resolving power in the geometric pattern of stars. It was required to deliver the geometric spot dispersion in the specific rang at its focal surface and lower difference of displacements of centroids from thief ray in the interesting spectral range.
Number of references:5
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 42>
Accession number:2005389375450
Title:Virtual manufacturing and the application on the development of high-speed photograph camera
Authors:Ma, Lihua (0); Liang, Zhiyi (0); Xiong, Rensheng (0); Shi, Xingchun (0); Lu, Mei (0)
Corr. author affiliation:Xi'an Institute of Optics and Precision Mechanics, Academia Sinica, Xi'an 710068, China
Source title:Guangzi Xuebao/Acta Photonica Sinica
Abbreviated source title:Guangzi Xuebao
Volume:34
Issue:8
Issue date:August 2005
Publication year:2005
Pages:1278-1280
Language:Chinese
ISSN:10044213
CODEN:GUXUED
Document type:Journal article (JA)
Publisher:Chinese Optical Society, Xi'an, China
Abstract:Virtual Manufacturing (VM) is a concept of executing manufacturing process in computers as well as in the real world, where virtual modes allow for prediction of potential problems for product functionality and manufacturability before real manufacturing occurs. As a new manufacturing technology, VM affects the whole manufacturing industry including the manufacture of high-speed photograph camera (HSPC). The application of VM successfully resolves a series of technical difficulties caused by increasing photograph frequency of HSPC. These efforts of VM can not only increase the level and overall design quality of HSPC manufacturing, but also decrease the development cycle. At the same time, a new tool for key technology analysis and design solution in the field of HSPC manufacture is provided. For an example, a kind of HSPC is listed as follows. It has been studied in a virtual environment through the design, assembling, dynamic analysis and movement simulation procedures.
Number of references:4
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 43>
Accession number:2006129771026
Title:Experimental research on femtosecond mode-locked fiber lasers with potential applications to all-optical packet switching networks
Authors:Xie, Xiaoping (1); Zhang, Jianguo (1); Zhao, Wei (1); Deng, Dapeng (2); Liu, Yuanshan (1); Zhang, Suixin (1)
Author affiliation:(1) State Key Laboratory of Transient Optics Technology, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Youyi Xi Road No. 234, Xi'an, 710000, China; (2) Xi'an Communication College, Chang'an District, Xi'an, 710000, China
Corresponding author:Xie, X.(Xiaopingxie76@163.com)
Source title:Proceedings of SPIE - The International Society for Optical Engineering
Abbreviated source title:Proc SPIE Int Soc Opt Eng
Volume:6028
Monograph title:ICO20: Lasers and Laser Technologies
Issue date:2005
Publication year:2005
Article number:60280Q
Language:English
ISSN:0277786X
CODEN:PSISDG
Document type:Conference article (CA)
Conference name:ICO20: Lasers and Laser Technologies
Conference date:August 21, 2005 - August 26, 2005
Conference location:Changchun, China
Conference code:66860
Sponsor:AFOSR Asia Office; Chinese Academy of Sciences, CAS, China; Chinese Academy of Engineering, CAE, China; Chinese Academy of Science and Technology, China; European Optical Society
Publisher:SPIE
Abstract:We experimentally demonstrate an Er<sup>3+</sup>-doped femtosecond mode-locked optical fiber laser which operates at the 1550-nm wavelength and generates ultrashort optical pulses with width of 270 fs, repetition frequency of 20 MHz, and average output power of 146 μW. We find that the pulse width keeps stable increasing when the pump source optical power is enhanced in the range from 25 mW to 60 mW. However, if the pump source optical power exceeds 60 mW , the oscillation phenomenon would occur in pulses width . To be used as an optical source in fiber-optic communications system, the output femtosecond pulses from the mode-locked laser are also amplified specially through an Er<sup>3+</sup>-doped optical fiber amplifier. The relationships between pump optical power and amplified characteristics including amplified optical pulses width, amplified average optical power, amplified single optical pulse energy, amplified gain and spectrum shape are studied experimentally in the amplified experiment.
Number of references:8
Main heading:Fiber lasers
Controlled terms:Fiber optics - Laser pulses - Light amplifiers - Optical switches - Packet networks - Pumping (laser)
Uncontrolled terms:Er<sup>3+</sup>-doped fiber - Femtosecond optical pulse
Classification code:714.2 Semiconductor Devices and Integrated Circuits - 716 Telecommunication; Radar, Radio and Television - 741.3 Optical Devices and Systems - 744.1 Lasers, General - 744.4 Solid State Lasers
Treatment:Theoretical (THR)
DOI:10.1117/12.667149
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 44>
Accession number:2006139792119
Title:Dynamic characteristics of holographic recording and fixing in doubly-doped LiNbO<inf>3</inf> crystals
Authors:Ren, Liyong (1); Yao, Baoli (1); MenKe, Neimule (1); Wang, Lili (1); Kong, Yongfa (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 710068, China; (2) Department of Physics, Nankai University, Tianjin 300071, China
Corresponding author:Ren, L.(renliy@opt.ac.cn)
Source title:OSA Trends in Optics and Photonics Series
Abbreviated source title:OSA Trends Opt. Photonics Series
Volume:99
Monograph title:OSA Trends in Optics and Photonics Series - 10th International Conference on Photorefractive, Effects, Materials, and Devices, Proceedings
Issue date:2005
Publication year:2005
Pages:398-404
Language:English
ISSN:10945695
Document type:Conference article (CA)
Conference name:10th International Conference on Photorefractive, Effects, Materials, and Devices
Conference date:July 19, 2005 - July 23, 2005
Conference location:Hainan, China
Conference code:66936
Sponsor:Nankai University, Tianjin, China; Optical Society of America; National Natural Science Foundation of China; Physics Society of China; Ministry of Education of China
Publisher:Optical Society of America
Abstract:Fast energy exchange between two recording beams is observed and analyzed in three kinds of doubly-doped LiNbO<inf>3</inf> crystals during holographic recording. Self-enhancement and oscillatory characteristics of diffraction during the recording step are reported. The self-enhancement in both steps of recording and fixing can obviously enhance the recorded and fixed holograms. There exists an optimal switching time from the recording step to the fixing step which can lead to highly persistent diffraction of the nonvolatile holograms.
Number of references:10
Main heading:Holography
Controlled terms:Electromagnetic wave diffraction - Holograms - Lithium compounds - Oscillations
Uncontrolled terms:Nonvolatile holograms - Oscillatory characteristics - Self-enhancement
Classification code:711 Electromagnetic Waves - 743 Holography - 804.2 Inorganic Compounds - 931.1 Mechanics
Treatment:Theoretical (THR)
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 45>
Accession number:2005129008285
Title:Engineering analysis on high resolution space camera
Authors:Chen, Rongli (0); Zhao, Xinmin (0); Xie, Yongjie (0); Ma, Zhen (0); Fan, Xuewu (0); Li, Yingcai (0)
Corr. author affiliation:Xi'an Inst. of Optics, CAS, Xi'an 710068, China
Source title:Guangzi Xuebao/Acta Photonica Sinica
Abbreviated source title:Guangzi Xuebao
Volume:34
Issue:2
Issue date:February 2005
Publication year:2005
Pages:267-271
Language:Chinese
ISSN:10044213
CODEN:GUXUED
Document type:Journal article (JA)
Publisher:Chinese Optical Society, Xi'an, China
Abstract:Large CAD software SolidEdge was used to make smart models of a high resolution space camera, and based on the model 3D FEA model has been established using MSC/Patran, and engineering analysis has been performed. The results show that the difference between analysis and examination is less than 10%. Furthermore analysis results were used to verify and improve the structural design effectively.
Number of references:4
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 46>
Accession number:2005249157098
Title:Theoretical model of the modulation transfer function for fiber optic taper
Authors:Wang, Yaoxiang (1); Tian, Weijian (1); Bin, XiangLi (1)
Author affiliation:(1) Xi'An Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an, 710068, China
Corresponding author:Wang, Y.(materials@opt.ac.cn)
Source title:Proceedings of SPIE - The International Society for Optical Engineering
Abbreviated source title:Proc SPIE Int Soc Opt Eng
Volume:5638
Issue:PART 2
Monograph title:Optical Design and Testing II
Issue date:2005
Publication year:2005
Pages:865-872
Article number:155
Language:English
ISSN:0277786X
CODEN:PSISDG
Document type:Conference article (CA)
Conference name:Optical Design and Testing II
Conference date:November 8, 2004 - November 11, 2004
Conference location:Beijing, United states
Conference code:64965
Sponsor:SPIE; COS - Chinse Optical Society
Publisher:SPIE
Abstract:Fiber optic taper has been used more and more widely as a relay optical component in the integrated taper assembly image intensified sensors for military and medical imaging application. In this paper, the transmission characteristic of energy in the taper is analyzed, and following the generalized definition of the modulation transfer function for sampled imaging system, a spatial averaged impulse response and a corresponding MTF component that are inherent in the sampling process of taper are deduced, and the mathematical model for evaluating the modulation transfer function of fiber optic taper is built. Finally, the dynamic and static modulation transfer function curves simulated by computer have been exhibited.
Number of references:12
Main heading:Optical transfer function
Controlled terms:Charge coupled devices - Drawing (forming) - Fiber optics - Mathematical models - Optical image storage - Sensors - X rays
Uncontrolled terms:Coherent array - Fiber optic taper - Fiber optical taper - Fiberoptic window
Classification code:921 Mathematics - 741.1.2 Fiber Optics - 741.1 Light/Optics - 932.1 High Energy Physics - 732.2 Control Instrumentation - 714.2 Semiconductor Devices and Integrated Circuits - 535.2 Metal Forming - 722.1 Data Storage, Equipment and Techniques
Treatment:Theoretical (THR)
DOI:10.1117/12.568767
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 47>
Accession number:2005139016631
Title:Phase locking of fibre lasers by self-imaging resonator
Authors:Peng, Q. (1); Zhou, Y. (1); Chen, Y. (1); Sun, Z. (1); Bo, Y. (1); Yang, X. (1); Xu, Z. (1); Wang, Y. (2); Li, K. (2); Zhao, W. (2)
Author affiliation:(1) Optics Physics Lab., Institute of Physics, Chinese Academy of Sciences, Beijing, 100080, China; (2) Xi'an Inst. Opt./Prec. Mechanics CAS, Xi'an, 710068, China
Corresponding author:Peng, Q.(pengqinjun@263.net)
Source title:Electronics Letters
Abbreviated source title:Electron. Lett.
Volume:41
Issue:4
Issue date:Febrary 17, 2005
Publication year:2005
Pages:171-173
Language:English
ISSN:00135194
CODEN:ELLEAK
Document type:Journal article (JA)
Publisher:Institution of Engineering and Technology
Abstract:Experimental demonstrations of the use of a self-imaging resonator in the phase locking of two fibre lasers are presented. The output power of the phase-locked fibre laser array exceeded 2W. Successful attempts of phase locking show that the fibre laser array is not only capable of producing high output power but also large on-axis intensity by this method. © IEE 2005.
Number of references:14
Main heading:Fiber lasers
Controlled terms:Fourier transforms - Imaging techniques - Laser beams - Lenses - Light reflection - Mirrors - Optical collimators - Phase locked loops - Resonators - Semiconductor lasers
Uncontrolled terms:Fiber laser arrays - Fourier transform lens - Phase locking - Self imaging resonators
Classification code:921.3 Mathematical Transformations - 744.8 Laser Beam Interactions - 744.4.1 Semiconductor Lasers - 744.4 Solid State Lasers - 741.3 Optical Devices and Systems - 741.1 Light/Optics - 723.2 Data Processing and Image Processing - 714 Electronic Components and Tubes - 713.5 Electronic Circuits Other Than Amplifiers, Oscillators, Modulators, Limiters, Discriminators or Mixers
Treatment:Experimental (EXP)
DOI:10.1049/el:20057165
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 48>
Accession number:2005339304843
Title:Exact calculation of the lateral displacement and optical path difference of Savart polariscopes
Authors:Wu, Lei (1); Zhang, Chunmin (1); Yuan, Yan (2); Zhao, Baochang (2)
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:Wu, L.(wule@mailst.xjtu.edu.cn)
Source title:Guangxue Xuebao/Acta Optica Sinica
Abbreviated source title:Guangxue Xuebao
Volume:25
Issue:7
Issue date:July 2005
Publication year:2005
Pages:885-890
Language:Chinese
ISSN:02532239
CODEN:GUXUDC
Document type:Journal article (JA)
Publisher:Chinese Optical Society
Abstract:The shearing principle of Savart polariscope in the static polarization interference imaging spectrometer (SPIIS) is presented and the exact expression of the lateral displacement and optical path difference (OPD) are deduced by ray-tracing method and the notion of ray index at random incidence angle. The theoretical and practical guidance are thereby provided for the study, design, modulation, experiment and engineering of the polarization interference imaging spectrometers.
Number of references:21
Main heading:Geometrical optics
Controlled terms:Light transmission - Polariscopes - Ray tracing - Spectrometers
Uncontrolled terms:Lateral displacement - Optical path difference (OPD) - Savart polariscopes - Static polarization interference imaging spectrometer (SPIIS)
Classification code:741.1 Light/Optics - 741.3 Optical Devices and Systems - 941.3 Optical Instruments
Treatment:Applications (APP); Theoretical (THR)
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 49>
Accession number:2005389375433
Title:Novel technique of temperature sensitivity enhancement and reflection spectrum improvement of fiber Bragg gratings
Authors:Wei, Ting (0); Qiao, Xueguang (0); Jia, Zhenan (0); Wang, Hongliang (0); Fu, Haiwei (0)
Corr. author affiliation:Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China
Source title:Guangzi Xuebao/Acta Photonica Sinica
Abbreviated source title:Guangzi Xuebao
Volume:34
Issue:8
Issue date:August 2005
Publication year:2005
Pages:1209-1212
Language:Chinese
ISSN:10044213
CODEN:GUXUED
Document type:Journal article (JA)
Publisher:Chinese Optical Society, Xi'an, China
Abstract:A novel fiber grating temperature sensing technique and its experimental result is reported, which eliminates the chirped effects of polymer-packaged, improves the reflection spectrum of FBG and the technique of repeated packaged by using a kind of polymer-packaged with biggish thermal expansion coefficient and a special coupling agent. The experimental result indicates that, within 30.6°C-120°C, the temperature sensitivity is 0.1173 nm/°C and the resolution temperature measurement is less than or equal 0.43°C, which are 11 times higher than that of the bare FBG and the most important advantage is that the reflection spectrum remains same in the whole test. The average temperature sensitivity multiple of polymer-packaged fiber Bragg gratings is γ'=10.34, which matches the theoretical multiple γ=10.76 well. The linearity of the temperature response curves is 0.9983.
Number of references:13
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 50>
Accession number:2005509589772
Title:The research of digital delay signal integrity in laser targeting
Authors:Ouyang, Xian (0); Liu, Jinyuan (0); Liu, Baiyu (0); Jiang, Junmin (0); Bai, Yonglin (0); Huang, Lei (0); Wang, Chen (0); Zhang, Wenwen (0)
Corr. author affiliation:State key laboratory of Transient optics Technology, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Science, Xi'an 710068, China
Source title:Guangzi Xuebao/Acta Photonica Sinica
Abbreviated source title:Guangzi Xuebao
Volume:34
Issue:11
Issue date:November 2005
Publication year:2005
Pages:1625-1628
Language:Chinese
ISSN:10044213
CODEN:GUXUED
Document type:Journal article (JA)
Publisher:Chinese Optical Society, Xi'an, China
Abstract:In order to solve the problem of signal integrity displayed in the design high-speeding digital circuit, a delay distribution method of high-speeding digital circuit was discussed in this paper. The maximum matching length of termination trace based on the transportation theory was set up, which was helpful to decrease the termination reflection in PCB designing. The crosstalk model and the termination means based on the electronics theory were also discussed, which was used to eliminate the crosstalk. Analyzing the composite disturbance of noise current I<sub>n</sub> and transient load current I<sub>L</sub>, some restrain methods were taken, which ensured the delay signal integrity.
Number of references:5
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 51>
Accession number:2006099727083
Title:Gaussian diffraction model for Sb thin films in super-resolution near-field structure
Authors:Qu, Qingling (1); Wang, Yang (1); Ren, Liyong (2); Wei, Jingsong (1); Gan, Fuxi (1)
Author affiliation:(1) Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Science, Shanghai 201800, China; (2) Xi'An Institute of Optics and Precision Mechanics, Chinese Academy of Science, Xi'an 710068, China
Corresponding author:Qu, Q.(lindaqu@siom.ac.cn)
Source title:Proceedings of SPIE - The International Society for Optical Engineering
Abbreviated source title:Proc SPIE Int Soc Opt Eng
Volume:5966
Monograph title:Seventh International Symposium on Optical Storage, ISOS 2005
Issue date:2005
Publication year:2005
Article number:59661A
Language:English
ISSN:0277786X
CODEN:PSISDG
Document type:Conference article (CA)
Conference name:Seventh International Symposium on Optical Storage, ISOS 2005
Conference date:April 2, 2005 - April 6, 2005
Conference location:Zhanjiang, China
Conference code:66680
Sponsor:Chinese Academy of Sciences,; Shanghai Institute of Optics and Fine Mechanics, China; National Natural Science Foundation of China; Guangdong Association for Science and Technology, China; Zhanjiang Municipal Government, China
Publisher:SPIE
Abstract:According to the change of refractive index of Sb thin film with temperature and the radial distribution of temperature within the spot, we can consider the spot irradiated by a Gaussian beam as a phase-modulated screen. Based on Fresnel-kirchhoff diffraction theory, a Gaussian diffraction model which can compute the intensity from far field has been set up. Using this model we can study the nonlinear change of mask layer samples induced by different reasons. A numerical calculation of the transmittance through an Sb-type super-resolution near-field structure was carried out as an example. The Gaussian diffraction model, which is similar to the far field detection process in the optical disk system, is very useful for analyzing the photothermal-induced local structure change of thin films in phase-change and super-resolution optical disks.
Number of references:8
Main heading:Mathematical models
Controlled terms:Antimony - Diffraction gratings - Nonlinear optics - Optical resolving power - Phase modulation - Thin films
Uncontrolled terms:Fresnel-kirchhoff diffraction theory - Gaussian diffraction model - Optical disk system
Classification code:921 Mathematics - 741.3 Optical Devices and Systems - 741.1.1 Nonlinear Optics - 741.1 Light/Optics - 714.2 Semiconductor Devices and Integrated Circuits - 713.3 Modulators, Demodulators, Limiters, Discriminators, Mixers - 546.4 Antimony and Alloys
Treatment:Theoretical (THR)
DOI:10.1117/12.649659
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 52>
Accession number:2005289199544
Title:Generation and evaluation of synchronous femtosecond and picosecond pulses in a dual-wavelength Ti:Sapphire laser
Authors:Zhu, Changjun (1); Wang, Yuncai (1); He, Junfang (2); Wang, Shuicai (2); Hou, Xun (2)
Author affiliation:(1) Department of Applied Physics, College of Science, Taiyuan University of Technology, Taiyuan 030024, China; (2) State Key Laboratory of Transient Optics Technology, Xi'an Institute of Optics and Precision Mechanics, Academia Sinica, Xi'an 710068, China
Corresponding author:Wang, Y.(wangyc@tyut.edu.cn)
Source title:Journal of the Optical Society of America B: Optical Physics
Abbreviated source title:J Opt Soc Am B
Volume:22
Issue:6
Issue date:June 2005
Publication year:2005
Pages:1221-1227
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 obtain synchronous femtosecond and picosecond laser pulses by achieving cross mode locking in a double-cavity dual-wavelength femtosecond Ti:sapphire laser. The autocorrelations and the crosscorrelation show that the femtosecond and picosecond pulses are well synchronized, with a timing jitter less than 200 fs. Independent self mode locking in each laser cavity is governed mainly by group-velocity dispersion and self-phase modulation, whereas cross mode locking is dominated primarily by cross-phase modulation and gain competition. Meanwhile, FWHM and rms formalisms are compared and further utilized to characterize laser pulses. In addition, the timing jitter and the tuning range of the laser are analyzed and identified. © 2005 Optical Society of America.
Number of references:24
Main heading:Laser pulses
Controlled terms:Laser mode locking - Laser tuning - Light velocity - Optical correlation - Self phase modulation - Timing jitter
Uncontrolled terms:Femtosecond lasers - Group velocity dispersion (GVD) - Picosecond lasers
Classification code:741.1 Light/Optics - 741.1.1 Nonlinear Optics - 744.1 Lasers, General
Treatment:Theoretical (THR); Experimental (EXP)
DOI:10.1364/JOSAB.22.001221
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 53>
Accession number:2006139792104
Title:Properties and applications of bacteriorhodopsin-films as dynamic holographic recording media
Authors:Yao, Baoli (1); Wang, Yingli (1); Menke, Neimule (1); Lei, Ming (1); Ren, Liyong (1); Ren, Zhlwei (1)
Author affiliation:(1) State Key Laboratory of Transient Optics Technology, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China
Corresponding author:Yao, B.(yaobl@opt.ac.cn)
Source title:OSA Trends in Optics and Photonics Series
Abbreviated source title:OSA Trends Opt. Photonics Series
Volume:99
Monograph title:OSA Trends in Optics and Photonics Series - 10th International Conference on Photorefractive, Effects, Materials, and Devices, Proceedings
Issue date:2005
Publication year:2005
Pages:300-306
Language:English
ISSN:10945695
Document type:Conference article (CA)
Conference name:10th International Conference on Photorefractive, Effects, Materials, and Devices
Conference date:July 19, 2005 - July 23, 2005
Conference location:Hainan, China
Conference code:66936
Sponsor:Nankai University, Tianjin, China; Optical Society of America; National Natural Science Foundation of China; Physics Society of China; Ministry of Education of China
Publisher:Optical Society of America
Abstract:Bacteriorhodopsin (BR), a photochromic protein, shows some excellent features for dynamic holographic recording medium. The dynamic diffraction efficiencies of a genetic mutated variant BR (BR-D96N) film for various types of polarization holography were tested and compared. Reflection-type holograms were recorded in the BR-film, which shown the spatial resolution of the film was more than 6000 lines/mm. Phase conjugate reconstruction of holograms revealed that the distortion of the object image could be efficiently corrected. Two images with orthogonal polarizations can be multiplexed stored in the BR-film and reconstructed separately. Double-exposure interferometry was implemented using the BR-film.
Number of references:12
Main heading:Proteins
Controlled terms:Electromagnetic wave polarization - Holograms - Holography - Interferometry - Photochromism - Thin films
Uncontrolled terms:Bacteriorhodopsin (BR) - Dynamic diffraction efficiencies - Orthogonal polarizations
Classification code:711 Electromagnetic Waves - 714.2 Semiconductor Devices and Integrated Circuits - 741.1 Light/Optics - 743 Holography - 804.1 Organic Compounds - 941.4 Optical Variables Measurements
Treatment:Theoretical (THR)
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 54>
Accession number:2005479497618
Title:Analysis of the MTF of the TDI-CCD camera
Authors:Zhang, Yi (0); Li, Yingcai (0); Wang, Hu (0)
Corr. author affiliation:Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China
Source title:Guangzi Xuebao/Acta Photonica Sinica
Abbreviated source title:Guangzi Xuebao
Volume:34
Issue:10
Issue date:October 2005
Publication year:2005
Pages:1590-1592
Language:Chinese
ISSN:10044213
CODEN:GUXUED
Document type:Journal article (JA)
Publisher:Chinese Optical Society, Xi'an, China
Abstract:TDI-CCD Subpixel dynamic imaging technology was a valid novel approach for meeting the requirements of high-resolution and lightweight of remote sensing cameras. Because of its special work method, the affect of velocity mismatch and misalignment was unavoidable. Through analyzing the effect on MTF, the result shows that it is very important to improve quality of imaging through improving the synchronous accuracy and reducing the drift angle.
Number of references:6
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 55>
Accession number:2006129771025
Title:High-power double-clad large-mode-area photonic crystal fibre laser
Authors:Li, Kang (1); Wang, Yishan (1); Zhao, Wei (1); Chen, Guofu (1); Peng, Qinjun (2); Cui, Dafu (2); Xu, Zuyan (2)
Author affiliation:(1) State Key Laboratory of Transient Optics Technology, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an, 710068; (2) Key Laboratory of Optical Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080; (3) Graduate School, Chinese Academy of Sciences, Beijing 100039
Corresponding author:Li, K.(likang@opt.ac.cn)
Source title:Proceedings of SPIE - The International Society for Optical Engineering
Abbreviated source title:Proc SPIE Int Soc Opt Eng
Volume:6028
Monograph title:ICO20: Lasers and Laser Technologies
Issue date:2005
Publication year:2005
Article number:60280P
Language:English
ISSN:0277786X
CODEN:PSISDG
Document type:Conference article (CA)
Conference name:ICO20: Lasers and Laser Technologies
Conference date:August 21, 2005 - August 26, 2005
Conference location:Changchun, China
Conference code:66860
Sponsor:AFOSR Asia Office; Chinese Academy of Sciences, CAS, China; Chinese Academy of Engineering, CAE, China; Chinese Academy of Science and Technology, China; European Optical Society
Publisher:SPIE
Abstract:A high power double-clad ytterbium-doped large-mode-area photonic crystal fibre (LMA PCF) laser was demonstrated using a unique Fabry-Perot (F-P) configuration. A Continuous-wave output power of 50 W at ∼1.04 μm with a slope efficiency of 76.3% was obtained. Single transverse mode operation is achieved without any thermal-optical problems. This laser has the potential for scaling to much higher output power.
Number of references:18
Main heading:Fiber lasers
Controlled terms:Continuous casting - Crystalline materials - Doping (additives) - Photons - Thermal effects
Uncontrolled terms:Double-Clad - High Power Fibre Lasers - Large-Mode-Area - Photonic Crystal Fibres
Classification code:421 Strength of Building Materials; Mechanical Properties - 534.2 Foundry Practice - 712.1 Semiconducting Materials - 744.4 Solid State Lasers - 931.3 Atomic and Molecular Physics - 933.1 Crystalline Solids
Treatment:Theoretical (THR)
DOI:10.1117/12.667148
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 56>
Accession number:2946730
Title:Scientific objectives and payloads of Chang'E-1 lunar satellite
Authors:Huixian, Sun (1); Shuwu, Dai (1); Jianfeng, Yang (2); Ji, Wu (1); Jingshan, Jiang (1)
Author affiliation:(1) Center for Space Science and Applied Research (CSSAR), Post Box 8701, Beijing 100 080, China; (2) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences (CAS), Xi'an 710 068, China
Corresponding author:Huixian, S.(shxian@nc.poac.ac.cn)
Source title:Journal of Earth System Science
Abbreviated source title:J. Earth Syst. Sci.
Volume:114
Issue:6
Issue date:December 2005
Publication year:2005
Pages:789-794
Language:English
ISSN:02534126
E-ISSN:02534126
Document type:Journal article (JA)
Publisher:Indian Academy of Sciences
Abstract:China plans to implement its first lunar exploration mission Chang'E-1 by 2007. The mission objectives are &bull to obtain a three-dimensional stereo image of the lunar surface, &bull to determine distribution of some useful elements and to estimate their abundance, &bull to survey the thickness of lunar soil and to evaluate resource of <sup>3</sup>He and &bull to explore the environment between the Moon and Earth. To achieve the above mission goals, five types of scientific instruments are selected as payloads of the lunar craft. These include stereo camera and spectrometer imager, laser altimeter, microwave radiometer, gamma and X-ray spectrometers and space environment monitor system. In order to collect, process, store and transmit the scientific data of various payloads a special payload data management system is also included. In this paper the goals of Chang'E-1 and its payloads are described. © Printed in India.
Controlled terms:altimeter - data management - exploration - lunar soil - monitoring system - satellite mission - soil survey - spectrometer - stereo image
Species terms:Human echovirus 1
Classification code:72.17.1 Moon
Database:GEOBASE
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 57>
Accession number:2006099727068
Title:Real-time non-destructive testing of dynamic holograms in doubly-doped LiNbO<inf>3</inf> crystals using phase-conjugate technique
Authors:Ren, Liyong (1); Yao, Baoli (1); Wang, Lili (1); Kong, Yongfa (2); MenKe, Neimule (1); Ren, Zhiwei (1); Lei, Ming (1)
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 710068, China; (2) Department of Physics, Nankai University, Tianjin 300071, China
Corresponding author:Ren, L.(renliy@opt.ac.cn)
Source title:Proceedings of SPIE - The International Society for Optical Engineering
Abbreviated source title:Proc SPIE Int Soc Opt Eng
Volume:5966
Monograph title:Seventh International Symposium on Optical Storage, ISOS 2005
Issue date:2005
Publication year:2005
Article number:59660V
Language:English
ISSN:0277786X
CODEN:PSISDG
Document type:Conference article (CA)
Conference name:Seventh International Symposium on Optical Storage, ISOS 2005
Conference date:April 2, 2005 - April 6, 2005
Conference location:Zhanjiang, China
Conference code:66680
Sponsor:Chinese Academy of Sciences,; Shanghai Institute of Optics and Fine Mechanics, China; National Natural Science Foundation of China; Guangdong Association for Science and Technology, China; Zhanjiang Municipal Government, China
Publisher:SPIE
Abstract:To test the dynamic photorefractive grating during holographic recording, as usual, the signal wave is blocked from time to time and simultaneously the diffracted beam of the reference wave is tested. This kind of measurement destroys the continuity of the holographic recording and increases the random noise and results in bad repeatability and reliability. In this paper, the phase-conjugate technique is used to overcome the above drawbacks. The reference wave and the object wave are much stronger than the probe beam propagating along the counter-direction of the reference wave. Thus the real-time and non-destructive testing of the dynamic holograms can be obtained by measuring the phase-conjugate wave of the object wave.
Number of references:17
Main heading:Nondestructive examination
Controlled terms:Crystals - Diffraction gratings - Holograms - Real time systems
Uncontrolled terms:Doubly-doped LiNbo<inf>3</inf> - Phase conjugate wave - Photorefractive dynamic holograms - Real-time testing
Classification code:421 Strength of Building Materials; Mechanical Properties - 722.4 Digital Computers and Systems - 741.3 Optical Devices and Systems - 743 Holography - 933.1 Crystalline Solids
Treatment:Theoretical (THR)
DOI:10.1117/12.649637
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 58>
Accession number:2005259172222
Title:Detection of nanometer distance between sample and fiber tip of NSOM with DDS
Authors:Feng, Xiaoqiang (0); He, Fengtao (0); Zhang, Dongling (0); Bai, Yonglin (0); Hou, Xun (0)
Corr. author affiliation:State-Key Laboratory of Transient Optics and Technology, Xi'an Institute of Optics and Precision Mechanics, Academic Sinica, Xi'an 710068, China
Source title:Guangzi Xuebao/Acta Photonica Sinica
Abbreviated source title:Guangzi Xuebao
Volume:34
Issue:5
Issue date:May 2005
Publication year:2005
Pages:726-729
Language:Chinese
ISSN:10044213
CODEN:GUXUED
Document type:Journal article (JA)
Publisher:Chinese Optical Society, Xi'an, China
Abstract:To detect and control the nanometer distance between the sample and the fiber tip is part of the key technology of NSOM system. Here a pizeo sensor with DDS is discussed. One of die sensor's electrodes is separated into two like parts, one is for exciting the pizeo to shake and the other is for detecting the shake. The fiber tip is fixed on the pizeo and the pizeo is driven by a DDS. When the fiber tip is far from the sample surface, an exact resonant frequency of the fiber tip is obtained with the error of 0.006 Hz after frequency scanning, and when the tip is within the near-field of the sample, the resonant frequency of the fiber tip departures the resonant frequency in far-field, and the amplitude of the fiber tip obviously decreases because of the shear force between the fiber tip and the sample, and in this way the near-field distance is detected. The combination of high precision frequency source DDS and the pizeo sensor provides a higher sensitivity and stability of near-field detection.
Number of references:4
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 59>
Accession number:2005229136401
Title:Fifth-order attosecond polarization beats using twin color-locked noisy lights in cascade three-level system with Doppler-free approach
Authors:Song, Jianping (1); Feng, Yu (1); Gan, Chenli (1); Li, Long (1); Li, Yuanyuan (1); Yu, Xiaojun (1); Ge, Hao (1); Ma, Ruiqiong (1); Li, Chuangshe (1); Zhang, Xiangchen (1); Zhang, Yanpeng (1); Lu, Keqing (2)
Author affiliation:(1) Dept. of Electron. Sci. and Technol., Xi'an Jiaotong Univ., Xi'an 710049, China; (2) Lab. of Transient Optics, Inst. of Optics and Precision Mech., Chinese Acad. of Sci., Xi'an 710068, China
Corresponding author:Song, J.(jpsong@mail.xjtu.edu.cn)
Source title:Chinese Optics Letters
Abbreviated source title:Chin. Opt. Lett.
Volume:3
Issue:4
Issue date:April 2005
Publication year:2005
Pages:230-233
Language:English
ISSN:16717694
Document type:Journal article (JA)
Publisher:Science Press
Abstract:Fifth-order attosecond sum-frequency polarization beat (FASPB) is studied in a cascade three level system with the phase-conjugation fourth-order coherence function theory. An improved schematic diagram of geometry, which is different from that inducing fifth-order femtosecond different-frequency polarization beat (FFDPB), is used to obtain FASPB. By analyzing the cases that pump beams have either narrow or broad bandwidth, it is found that the temporal behavior of the sum-frequency polarization beat signal depends on the properties of the lasers and transverse relaxation rate of the atomic energy-level system. Finally, the cascaded four-wave mixing (FWM) processes and the difference between attosecond and femtosecond polarization beats have been discussed, it is found that cascaded or sequential lower processes can often obscure the direct fifth-order polarization beat processes.
Number of references:9
Main heading:Light polarization
Controlled terms:Bandwidth - Light interference - Light sources - Optical communication
Uncontrolled terms:Cascade three level system - Fifth-order attosecond sum-frequency polarization beat (FASPB) - Four-wave mixing (FWM)
Classification code:717.1 Optical Communication Systems - 741.1 Light/Optics
Treatment:Experimental (EXP)
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 60>
Accession number:2005509546388
Title:Preparation of polymer microlenses array by using drop-on-demand technology
Authors:Zhang, Yuhong (0); Kang, Lijun (0); Hu, Baowen (0); Wang, Lili (0); Li, Tonghai (0); Li, Yulin (0)
Corr. author affiliation:Xi'an Institute of Optics and Precision Mechanics of CAS, Xi'an 710068, China
Source title:Guangzi Xuebao/Acta Photonica Sinica
Abbreviated source title:Guangzi Xuebao
Volume:34
Issue:11
Issue date:November 2005
Publication year:2005
Pages:1639-1642
Language:Chinese
ISSN:10044213
CODEN:GUXUED
Document type:Journal article (JA)
Publisher:Chinese Optical Society, Xi'an, China
Abstract:High-quality refractive microlens and microlens array have been fabricated using drop-on-demand and in-situ thermal polymerization technology with polymer PMMA and its monomer MMA. Microlenses diameters and heights range from d = 1 mm to 3 mm, and h = 100 μm to 400 μm, respectively. A focal length ranges from 1 mm to 4 mm approximately. All the components have high optical transparency (90%) at the wavelength of 1.55 μm to be suitable for optical communication coupled devices. The surface roughness of microlens is measured by an atomic force microscope (AFM-II). Micro-lens forming mechanics has been analyzed by surface tension theory.
Number of references:7
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 61>
Accession number:2005439439411
Title:Analysis on increment of index of glass and increment of secondary spectrum of the wide bands FT lens
Authors:Chen, Liwu (0); Zhao, Baochang (0); Yang, Jianfeng (0); Hong, Xinhua (0); Chang, Lingying (0)
Corr. author affiliation:Xi'an Institute of Optics and fine Mechanic, Chinese Academy of Sciences, Xi'an 710068, China
Source title:Guangzi Xuebao/Acta Photonica Sinica
Abbreviated source title:Guangzi Xuebao
Volume:34
Issue:9
Issue date:September 2005
Publication year:2005
Pages:1355-1358
Language:Chinese
ISSN:10044213
CODEN:GUXUED
Document type:Journal article (JA)
Publisher:Chinese Optical Society, Xi'an, China
Abstract:The effect induced by the increment of refraction index and dispersion of glass in the wide bands FT (Fourier Translate) lens were introduced. The formula of the increment of secondary spectrum which brought by the increment of refraction index and dispersion of glass were deduced. The increment of secondary spectrum of thin double lens in wide bands system was emphatically discussed. In this thesis, the coefficient of the increment to secondary spectrum is 0.28, which is said this increment is about 28% of the theory secondary spectrum of thin double lens, so it should not be ignored by any designer. The example showed in this thesis indicated that the increment of refraction index and dispersion of glass in the wide bands system had more serious effect to its imaging quality. In addition, the FT lens wavefront aberrations were mentioned, and the wavefront aberrations were designed less than 1/10 waves in the using bands. When the best glasses couple were used to produce the FT lens, the wavefront aberration could be remained less than 1/10 waves. So it can be considered that the lens could meet the use to disposal the optical information, if the FT lens could be made by the best glasses couple. The imaging quality of this FT lens is more excellent.
Number of references:12
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 62>
Accession number:2005519602104
Title:Design of secondary planet interfere-spectrometer imaging data acquisition system
Title of translation:Design of secondary planet interfere-spectrometer imaging data acquisition system
Authors:Xue, Li-Jun (1); Li, Zi-Tian (1); Liu, Xue-Bin (1); Huang, Min (1)
Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Science, Xi'an 710068, China
Corresponding author:Xue, L.-J.
Source title:Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering
Abbreviated source title:Hongwai yu Jiguang Gongcheng Infrared Laser Eng.
Volume:34
Issue:5
Issue date:October 2005
Publication year:2005
Pages:622-625
Language:Chinese
ISSN:10072276
Document type:Journal article (JA)
Publisher:Chinese Society of Astronautics
Abstract:Real-time data acquisition is a basic and important link on industry and aviation measure and control realm.How to increase the real-time quality of data collection and saving is a problem concerned by technical personnel.A high speed data acquisition system which has been used recording the secondary planet interfere - spectrometer imaging based on 32 bit high speed data collection card ADLINK PCI 7300A is described. The realization of high-speed data collection,saving and real-time displaying based on vc6.0 and Windows NT is elaborated.In the process the multithreading, timer, double - buffer and synchronous object etc have been used, the system stability and real -time quality are effectively assured, the function of high speed digital image card is realized by digital I/O card.
Number of references:6
Main heading:Data acquisition
Controlled terms:Imaging systems - Personnel - Planets - Real time systems - Spectrometers
Uncontrolled terms:Data collection - Real-time saving - Spectral-interferometer
Classification code:657.2 Extraterrestrial Physics and Stellar Phenomena - 722.4 Digital Computers and Systems - 723.2 Data Processing and Image Processing - 741 Light, Optics and Optical Devices - 741.3 Optical Devices and Systems - 912.4 Personnel
Treatment:Theoretical (THR)
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 63>
Accession number:2005369347117
Title:Compression of the multispectral image by the three-dimensional EBCOT coding algorithm
Authors:Xiao, Jiang (1); Wu, Cheng-Ke (1); Li, Yun-Song (1); Xiang, Li-Bin (2); Yang, Jian-Feng (2)
Author affiliation:(1) State Key Lab. of Integrated Service Networks, Xidian Univ., Xi'an 710071, China; (2) Xi'an Inst. of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China
Corresponding author:Xiao, J.
Source title:Xi'an Dianzi Keji Daxue Xuebao/Journal of Xidian University
Abbreviated source title:Xi'an Dianzi Keji Daxue Xuebao
Volume:32
Issue:4
Issue date:August 2005
Publication year:2005
Pages:549-554
Language:Chinese
ISSN:10012400
CODEN:XDKXEP
Document type:Journal article (JA)
Publisher:Science Press
Abstract:This paper proposes a new multispectral image data compression algorithm (3 Dimensional Embedded Block Coding with Optimized Truncation, 3D EBCOT), which can efficiently reduce spatial and spectral redundancies by applying the 3D Discrete Wavelet Transform (3D DWT), and get the embedded code stream by the three-dimensional Embedded Block Coding with Optimized Truncation (3D EBCOT) algorithm in wavelet transform domain. The novelty of the proposed coding strategy consists of two main parts: first, an unsymmetrical 3 dimensional DWT is used to reduce the redundancies in spatial and spectral domains. Then, after taking a 3D DWT, the coefficients are encoded using the 3D EBCOT algorithm which is expanded from JPEG2000. Numerical experiments on a six-band thematic mapper images show that the reconstructed images after using the proposed algorithm exhibit a better quality and higher compression ratio than the conventional JPEG2000 and KLT-3D SPIHT algorithms.
Number of references:7
Main heading:Image compression
Controlled terms:Data compression - Encoding (symbols) - Image quality - Image reconstruction - Numerical methods - Three dimensional - Wavelet transforms
Uncontrolled terms:Coding strategy - Embedded block coding with optimized truncation (EBCOT) - JPEG2000 - Multispectral images - Numerical experiments - Spectral redundancies - Three dimensional discrete Wavelet Transform (3D DWT)
Classification code:716.1 Information Theory and Signal Processing - 722.3 Data Communication, Equipment and Techniques - 723.2 Data Processing and Image Processing - 921.3 Mathematical Transformations - 921.6 Numerical Methods
Treatment:Applications (APP)
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 64>
Accession number:2005129003849
Title:Generation of synchronized femtosecond and picosecond pulses in a dual-wavelength femtosecond Ti:sapphire laser
Authors:Zhu, C.J. (1); He, J.F. (2); Wang, S.C. (2)
Author affiliation:(1) Department of Electrical Engineering, Univ. Illinois at Urbana-Champaign, Champaign, IL 61820, United States; (2) State Key Lab. Transient Opt. T., Xi'An Inst. Opt. and Prec. Mechanics, Academia Sinica, Xi'an 710068, China
Corresponding author:Zhu, C.J.(cjzhu@uiuc.edu)
Source title:Optics Letters
Abbreviated source title:Opt. Lett.
Volume:30
Issue:5
Issue date:March 1, 2005
Publication year:2005
Pages:561-563
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 obtain synchronized 45-fs and 0.848-ps pulses by achieving cross-mode locking in a double-cavity dual-wavelength femtosecond Ti:sapphire laser. Autocorrelation and cross correlation show that the femtosecond and picosecond pulses are well synchronized, with a timing jitter of 41 fs. Cross-phase modulation dominates the processes of cross-mode locking and synchronization. © 2005 Optical Society of America.
Number of references:16
Main heading:Laser pulses
Controlled terms:Lasers - Light modulation - Optical correlation - Optical Kerr effect - Optical pumping - Phase modulation - Sapphire - Synchronization - Time domain analysis - Timing jitter - Titanium
Uncontrolled terms:Coupling effects - Cross-phase-modulation (XPM) - Gaussian pulses - Picosecond pulses
Classification code:744.1 Lasers, General - 741.1 Light/Optics - 731.1 Control Systems - 921 Mathematics - 716 Telecommunication; Radar, Radio and Television - 542.3 Titanium and Alloys - 482.2.1 Gems - 713.3 Modulators, Demodulators, Limiters, Discriminators, Mixers
Treatment:Theoretical (THR); Experimental (EXP)
DOI:10.1364/OL.30.000561
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 65>
Accession number:2006069686926
Title:Real time correction of atmospheric refractive error based on NURBS curve interpolation
Authors:Zhao, Xiaofei (0); Wei, Mingzhi (0); He, Junhua (0); Chen, Liangyi (0)
Corr. author affiliation:Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China
Source title:Guangzi Xuebao/Acta Photonica Sinica
Abbreviated source title:Guangzi Xuebao
Volume:34
Issue:12
Issue date:December 2005
Publication year:2005
Pages:1845-1849
Language:Chinese
ISSN:10044213
CODEN:GUXUED
Document type:Journal article (JA)
Publisher:Chinese Optical Society, Xi'an, China
Abstract:A technology, which integrated the traditional algorithm of tracing by every vertex with NURBS curve interpolation method, was put forward. This technology was applied in high precision and real time correction of atmospheric refractive error field of many visible light measure equipments. Some shortcomings such as large quantity calculation, nonreal time calculate of algorithm of tracing by every vertex could be overcome by this method. The method was particularly fit for correcting the atmospheric refractive error in the real time data interpretation of full-automatic film interpretoscopes or optic-electronic theodolite.
Number of references:3
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 66>
Accession number:2005249158455
Title:Three-dimensional optical storage recording by microexplosion in a doped PMMA polymer
Authors:Tang, Huohong (1); Jiu, Hongfang (2); Jiang, Bing (1); Cai, Jianwen (1); Xing, Hui (1); Zhang, Qijin (2); Huang, Wenhao (1); Xia, Andong (1); Liu, Qin (4); Cheng, Guanghua (4); Chen, Guofu (4)
Author affiliation:(1) Department of Precision Machinery and Precision Instrumentation, University of Science and Technology of China, Hefei, 230026, China; (2) Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei, 230026, China; (3) Molecular Reaction Dynamics Lab., Institute of Chemistry, Chinese Academy of Science, 1st North Street, Zhong Guan Cun, Beijing 100800, China; (4) State Key Laboratory of Transient Optics and Technology, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Science, Xi'an 710068, China
Corresponding author:Tang, H.
Source title:Proceedings of SPIE - The International Society for Optical Engineering
Abbreviated source title:Proc SPIE Int Soc Opt Eng
Volume:5643
Monograph title:Advances in Optical Data Storage Technology
Issue date:2005
Publication year:2005
Pages:258-263
Article number:45
Language:English
ISSN:0277786X
CODEN:PSISDG
Document type:Conference article (CA)
Conference name:Advances in Optical Data Storage Technology
Conference date:November 8, 2004 - November 10, 2004
Conference location:Beijing, China
Conference code:64970
Sponsor:SPIE; COS - Chinese Optical Society
Publisher:SPIE
Abstract:Three-dimensional optical data storage realized by microexplosion based on a multi-photon absorption process is a promising method to fabricate optical read-only memory with large recording capacity. The writing of multi-layered data bits inside a PMMA block doped with rare-earth ions (Sm<sup>3+</sup> and Ce<sup>3+</sup>) under multi-photon absorption excited by a 800nm femtosecond (fs) pulsed laser was reported. The fs pulsed laser beam was focused into the sample with a microscope objective (N.A.= 0.65 40X), and bits were recorded as structurally altered regions which have high contrast in refraction index and fluorescence intensity. The recorded bits could be retrieved parallel by transmission using a conventional optical microscope or be read out serially by fluorescence signal of the structurally altered region excited by a 514.5nm laser using a reflect-type confocal microscope. Experimental results of three-dimensional recording and reading with 4-um in-plane bit spacing and 8-um inter-plane spacing in eight layers were presented. The structure changed in the material before and after the laser irradiation was discussed.
Number of references:27
Main heading:Optical data storage
Controlled terms:Fluorescence - Laser beam effects - Laser pulses - Optical recording - Photons - Polymers - Polymethyl methacrylates - Refractive index
Uncontrolled terms:A doped PMMA polymer - Femtosecond lasers - Multi-photon absorption - Three-dimensional optical data storage
Classification code:931.3 Atomic and Molecular Physics - 815.1.1 Organic Polymers - 744.8 Laser Beam Interactions - 744.1 Lasers, General - 741.3 Optical Devices and Systems - 741.1 Light/Optics - 722.1 Data Storage, Equipment and Techniques
Treatment:Theoretical (THR); Experimental (EXP)
DOI:10.1117/12.576587
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 67>
Accession number:2005329290686
Title:Measurement for modulation transfer function of CCD coupled with fiber optic taper by rectangle bar
Authors:Wang, Yaoxiang (0); Tian, Weijian (0); Wang, Li (0); Huang, Kun (0)
Corr. author affiliation:Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China
Source title:Guangzi Xuebao/Acta Photonica Sinica
Abbreviated source title:Guangzi Xuebao
Volume:34
Issue:6
Publication year:2005
Pages:923-926
Language:Chinese
ISSN:10044213
CODEN:GUXUED
Document type:Journal article (JA)
Publisher:Chinese Optical Society, Xi'an, China
Abstract:Modulation transfer function is often used as a standard performance evaluation for optical components and imaging systems. The conventional test method for discrete optical element is the scanning knife-edge method. Because of the mosaic array architecture for taper and CCD, the integrated devices for CCD coupled with taper violate the isoplanatic conditions. The measured magnitudes of MTF vary with the position between edge and the array. In this paper, square-wave target MTF measurement was put forward. Square-wave targets with different spatial frequency were imaged by the integrated device, then transmit to the computer, the gray-scale value for the image of square-wave targets with certain spatial frequency could be got by the process program of image, so the CTF of the square-wave targets can be available, finally the MTF of the integrated device should got by the relationship between the CTF and MTF. The method avoids the influence of non-isoplanatic result from the dispersancy position between the edge and the array for measured MTF, and its precision was improved accordingly.
Number of references:8
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 68>
Accession number:2005229137540
Title:Theoretical analysis of the effective transmission about fiber taper
Authors:Wang, Yaoxiang (0); Tian, Weijian (0); Zhang, Xinlong (0); Yu, Huixia (0); Wang, Youquan (0); Liu, Xiaofeng (0)
Corr. author affiliation:Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China
Source title:Guangzi Xuebao/Acta Photonica Sinica
Abbreviated source title:Guangzi Xuebao
Volume:34
Issue:4
Issue date:April 2005
Publication year:2005
Pages:529-533
Language:Chinese
ISSN:10044213
CODEN:GUXUED
Document type:Journal article (JA)
Publisher:Chinese Optical Society, Xi'an, China
Abstract:The coupling between fiber optical taper and CCD is the critical technique for the integrated taper assembly image intensified sensors. Compared to a lens-coupled CCD camera system, the CCD camera coupled with fiber optical taper has higher collection efficiency, and yields significant gains. So fiber optical taper plays an important role in the integrated devices. The coupling efficient between fiber optical taper and CCD exerts an influence on the signal-to-noise ratio of the integrated devices, but the effective transmission of taper has influence upon the coupling efficient. In this paper, the core-packing fraction of taper has been calculated precisely according to the virtual structure of fiber optical element, the attenuation and losses of the light energy transmitted through fiber taper have also been analyzed and deduced according to the ray mode transmission characteristics in the taper. Finally the effective transmission of taper was deduced, and an objective measurement of the effective transmission about taper was also built. Some ways improved the transmission characteristics of the fiber taper were put forward.
Number of references:5
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 69>
Accession number:2005379353055
Title:Design of High-temperature TV camera
Authors:Yang, Jianfeng (0); Ruan, Ping (0); Chang, Lingying (0); Chen, Liwu (0)
Corr. author affiliation:Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Science, Xi'an 710068, China
Source title:Guangzi Xuebao/Acta Photonica Sinica
Abbreviated source title:Guangzi Xuebao
Volume:34
Issue:7
Issue date:July 2005
Publication year:2005
Pages:1081-1085
Language:Chinese
ISSN:10044213
CODEN:GUXUED
Document type:Journal article (JA)
Publisher:Chinese Optical Society, Xi'an, China
Abstract:The designing method of high-temperature TV optical camera was discussed; the problem of the material which used in this case, the parameters and the direction pointing of the optical axis were analyzed. Three times imaging system has been used to realize the objective. By maintaining the little diameter of all lens in the system the whole system has been elongated. And the evaluation result of the designed system were showed, the outcome identified that the system can work well under large variety range of temperature, the idea which design this optical system could be adopted by other high temperature optical system.
Number of references:10
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 70>
Accession number:2795914
Title:Design of content-based retrieval in remote sensing image database
Authors:Li, Feng (1); Zeng, Zhiming (2); Fu, Kun (2); Wu, Yirong (2)
Author affiliation:(1) Xi'An Institute of Optics and Precision Mechanics, CAS, 322 West Youyi Road, Xi'an 710068, China; (2) Institute of Electronics, CAS, 19 West Beisihuan Road, Beijing 100080, China; (3) Graduate School, CAS, A19 Yuquan Road, Beijing 100039, China
Corresponding author:Li, F.(lifeng@opt.ac.cn)
Source title:Geomatics and Information Science of Wuhan University
Abbreviated source title:Geomatics Inf. Sci. Wuhan Univ.
Volume:30
Issue:9
Issue date:September 5, 2005
Publication year:2005
Pages:787-790
Language:Chinese
ISSN:16718860
Document type:Journal article (JA)
Publisher:Wuhan University
Abstract:It is one of key techniques to retrieve the object region efficaciously from massive remote sensing image database. In this paper, we give a kind of model of content-based retrieval in remote sensing image according to the characters of remote sensing image application firstly, and then we analyze and discuss the algorithm for feature extraction adopted and multidimensional indexing and relevance feedback by this model in detail. Finally, we propose the intending contents to be research in this model.
Number of references:10
Controlled terms:image classification - image processing - remote sensing
Classification code:71.8.5.4 Remote sensing: numerical and image analysis
Database:GEOBASE
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 71>
Accession number:2005309265697
Title:Improvement on the precision of wavelength shift detection by using spectrum correlation technique
Authors:Han, Ren-Xue (1); Liu, Bing-Sheng (1); Gao, Ying-Jun (2)
Author affiliation:(1) Dept. of Mathematics and Mechanics, Heilongjiang Institute of Science and Technology, Harbin 150027, China; (2) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710000, China
Corresponding author:Han, R.-X.(Lxin5@hotmail.com)
Source title:Harbin Gongye Daxue Xuebao/Journal of Harbin Institute of Technology
Abbreviated source title:Harbin Gongye Daxue Xuebao
Volume:37
Issue:7
Issue date:July 2005
Publication year:2005
Pages:989-991
Language:Chinese
ISSN:03676234
CODEN:HPKYAY
Document type:Journal article (JA)
Publisher:Harbin Institute of Technology
Abstract:The rationality of applying Spectrum correlation (SC) technique to wavelength shift detection in fiber Bragg gratings sensing systems was analyzed in theory. The simulation results of Spectrum Correction, Conventional Peak Detection and Digital Filter were given separately. And it is testified that the theory results accorded with the experiment results well. For further discuss and analyzes, we also found that the detection precision of Spectrum Correction technique is really better than that of conventional peak and digital filter techniques.
Number of references:4
Main heading:Fiber optic sensors
Controlled terms:Computer simulation - Demodulation - Digital filters - Fiber Bragg gratings - Optical correlation
Uncontrolled terms:Conventional Peak Detection - Spectrum correlation (SC) - Wavelength shift detection
Classification code:703.2 Electric Filters - 732.2 Control Instrumentation - 741.1.2 Fiber Optics - 741.3 Optical Devices and Systems
Treatment:Applications (APP)
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 72>
Accession number:2005229137559
Title:New type of video recordation system
Authors:Hao, Wei (0); Su, Xiuqin (0); Yang, Xiaojun (0)
Corr. author affiliation:Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China
Source title:Guangzi Xuebao/Acta Photonica Sinica
Abbreviated source title:Guangzi Xuebao
Volume:34
Issue:4
Issue date:April 2005
Publication year:2005
Pages:606-609
Language:Chinese
ISSN:10044213
CODEN:GUXUED
Document type:Journal article (JA)
Publisher:Chinese Optical Society, Xi'an, China
Abstract:In order to improve the recording speed and satisfy the requirement of shooting range, in this paper the bottleneck was found by analyzing the data channels of whole system; through studying the relation of file size and storage rate and adopting the technology of map file composing and segmentation, RAID 0, make the storage rate of disk improved and the data channels of system ameliorated. Finally the speed of the whole system has been improved, the integration and real-time requirement of recording data are ensured.
Number of references:6
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 73>
Accession number:2005189084550
Title:Optical absorption in semiconductor nanorings under electric and magnetic fields
Authors:Zhang, Tong-Yi (1); Cao, Jun-Cheng (1); Zhao, Wei (2)
Author affiliation:(1) State Key Lab. Funct. Mat. for Info., Shanghai Inst. Microsystem Info. T., Chinese Academy of Sciences, 865 Changning Road, Shanghai, 200050, China; (2) State Key Lab. Transient Opt. T., Xi'an Inst. Opt. and Prec. Mechanics, Chinese Academy of Sciences, 322 West Youyi Road, Xi'an, 710068, China
Corresponding author:Zhang, T.-Y.(tyzhang@mail.sim.ac.cn)
Source title:Proceedings of SPIE - The International Society for Optical Engineering
Abbreviated source title:Proc SPIE Int Soc Opt Eng
Volume:5624
Monograph title:Semiconductor and Organic Optoelectronic Materials and Devices
Issue date:2005
Publication year:2005
Pages:387-390
Article number:76
Language:English
ISSN:0277786X
CODEN:PSISDG
Document type:Conference article (CA)
Conference name:Semiconductor and Organic Optoelectronic Materials and Devices
Conference date:November 9, 2004 - November 11, 2004
Conference location:Beijing, China
Conference code:64644
Sponsor:SPIE; COS - Chinese Optical Society; CIC - China Institute of Communications
Publisher:SPIE
Abstract:The optical absorption in semiconductor nanorings under a lateral DC field and a perpendicular magnetic field is numerically simulated by coherent wave approach. The exciton dominated optical absorption is compared with the free-carrier interband absorption to demonstrate the key role of Coulomb interaction between electron and hole. The influence of the lateral DC field and the perpendicular magnetic field on the optical absorption are discussed in detail. It shows that the lateral DC field can significantly enhance the Aharonov-Bohm effect of the neutral excitons in semiconductor nanorings.
Number of references:14
Main heading:Semiconductor materials
Controlled terms:Computer simulation - Electric field effects - Light absorption - Magnetic field effects - Nanostructured materials - Numerical methods - Oxidation - Polarization - Quantum theory - Sensitivity analysis
Uncontrolled terms:Aharanov-Bohm effect - Excitonic effects - Nanoring - Semiconductor nanorings
Classification code:931.4 Quantum Theory; Quantum Mechanics - 921.6 Numerical Methods - 921 Mathematics - 802.2 Chemical Reactions - 933.1 Crystalline Solids - 741.1 Light/Optics - 712.1 Semiconducting Materials - 701.2 Magnetism: Basic Concepts and Phenomena - 701.1 Electricity: Basic Concepts and Phenomena - 723.5 Computer Applications
Treatment:Theoretical (THR); Experimental (EXP)
DOI:10.1117/12.572527
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 74>
Accession number:2005289208541
Title:Combination of beams between single-mode and multimode fibers in fused coupler
Authors:Liu, Chunyu (1); Yu, Youlong (2); Gao, Yingjun (1)
Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China; (2) Institute of Fiber Optics, Heilongjiang University, Harbin 150080, China; (3) Graduate School, Chinese Academy of Sciences, Beijing 100039, China; (4) Department of Physics, Ji'nan University, Guangzhou 510632, China
Corresponding author:Liu, C.(liuchunyu@hlju.edu.cn)
Source title:Guangxue Xuebao/Acta Optica Sinica
Abbreviated source title:Guangxue Xuebao
Volume:25
Issue:6
Issue date:June 2005
Publication year:2005
Pages:743-745
Language:Chinese
ISSN:02532239
CODEN:GUXUDC
Document type:Journal article (JA)
Publisher:Chinese Optical Society
Abstract:As a splitter, the common fiber coupler has a low insert loss, while as a combiner it exhibits high loss. In order to obtain the combining beams with low insert loss, a new configuration coupler is presented, which is constituted with a single-mode fiber and a multimode fiber. The working principle is theoretically analyzed by the coupling wave equation and the coupling procedure is simulated by the computer. The coupler was made with a single-mode fiber and a multimode fiber by fused-taper technology. The result agreed well with the simulating drawing. The combining of two beams is realized. The coupling ratio of each arm is more than 90%. As a combiner, with low insert loss, this component could be used in optical communication and double cladding fiber laser to improve coupling efficiency of pumping light.
Number of references:10
Main heading:Optical fiber coupling
Controlled terms:Fiber lasers - Fiber optics - Multimode fibers - Optical communication - Single mode fibers - Wave equations - Waveguide couplers
Uncontrolled terms:Combiner - Fiber coupler - Fused coupler
Classification code:714.3 Waveguides - 717.2 Optical Communication Equipment - 741.1.2 Fiber Optics - 744.4 Solid State Lasers
Treatment:Applications (APP); Experimental (EXP)
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 75>
Accession number:2005189072436
Title:Prolongation of the fluorescence lifetime of plasma channels in air induced by femtosecond laser pulses
Authors:Hao, Z.Q. (1); Zhang, J. (1); Li, Y.T. (1); Lu, X. (1); Yuan, X.H. (1); Zheng, Z.Y. (1); Wang, Z.H. (1); Ling, W.J. (1); Wei, Z.Y. (1)
Author affiliation:(1) Laboratory of Optical Physics, Inst. Phys., Chinese Acad. of Sci., Beijing 100080, China; (2) State Key Lab. Transient Opt. T., Xi'An Inst. Opt. Prec. Mechanics, C., Xian 710068, China
Corresponding author:Zhang, J.(jzhang@aphy.iphy.ac.cn)
Source title:Applied Physics B: Lasers and Optics
Abbreviated source title:Appl Phys B
Volume:80
Issue:4-5
Issue date:April 2005
Publication year:2005
Pages:627-630
Language:English
ISSN:09462171
CODEN:APBOEM
Document type:Journal article (JA)
Publisher:Springer Verlag
Abstract:The lifetime of plasma channels induced by femtosecond laser pulses is investigated by detecting the decay time of the fluorescence signals from ions. It is found that the lifetime of the plasma can be prolonged to the order of microseconds when an additional sub-nanosecond laser pulse is injected into the channel. This prolongation is due to the heating and further ionization through the inverse bremsstrahlung absorption of the post-pulse. © Springer-Verlag 2005.
Number of references:22
Main heading:Laser beam effects
Controlled terms:Air - Fluorescence - Ionization - Light absorption - Photomultipliers - Plasmas
Uncontrolled terms:Bremsstrahlung absorption - Femtosecond laser pulses - Laser systems - Plasma channels
Classification code:714.1 Electron Tubes - 741.1 Light/Optics - 744.8 Laser Beam Interactions - 802.2 Chemical Reactions - 804 Chemical Products Generally - 932.3 Plasma Physics
Treatment:Experimental (EXP)
DOI:10.1007/s00340-005-1759-8
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 76>
Accession number:2005479491295
Title:Radiation-matter oscillations in attosecond polarization beats using twin color-locked noisy lights
Authors:Yu, Feng (1); Jian-Ping, Song (1); Yan-Peng, Zhang (1); Ke-Qing, Lu (2)
Author affiliation:(1) Department of Electronic Science and Technology, Xi'an Jiaotong University, Xi'an 710049, 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) College of Science, Information Engineering University, Zhengzhou, Henan 450002, China
Corresponding author:Yu, F.(fy1972@mailst.xjtu.edu.cn)
Source title:Optics Communications
Abbreviated source title:Opt Commun
Volume:256
Issue:4-6
Issue date:December 15, 2005
Publication year:2005
Pages:216-219
Language:English
ISSN:00304018
CODEN:OPCOB8
Document type:Journal article (JA)
Publisher:Elsevier
Abstract:Based on the phase-conjugate polarization interference between two one-photon processes, When the laser has broadband linewidth, the sum-frequency polarization beat (SFPB) signal shows the autocorrelation of SFPB exhibits hybrid radiation-matter detuning terahertz damping oscillation. As an attosecond ultrafast modulation process, it can be extended intrinsically to any sum-frequency of energy-levels. It has been also found that the asymmetric behaviors of the polarization beat signals result from the unbalanced dispersion effects. © 2005 Elsevier B.V. All rights reserved.
Number of references:10
Main heading:Electromagnetic wave polarization
Controlled terms:Damping - Electromagnetic wave interference - Electron energy levels - Frequencies - Lasers - Oscillations - Photons
Uncontrolled terms:Autocorrelation - Phase-conjugate - Sum-frequency - Terahertz
Classification code:711 Electromagnetic Waves - 711.1 Electromagnetic Waves in Different Media - 744.1 Lasers, General - 931.1 Mechanics - 931.3 Atomic and Molecular Physics
Treatment:Experimental (EXP)
DOI:10.1016/j.optcom.2005.07.011
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 77>
Accession number:2005409403963
Title:Characterization of ZnO films grown on different substrates by L-MBE method
Authors:Yang, Xiaodong (1); Zhang, Jingwen (1); Xu, Qing'an (1); He, Yongning (1); Wang, Hongbo (1); Zhang, Weifeng (4); Hou, Xun (1)
Author affiliation:(1) Key Laboratory of Photonics Technology for Information, Shaanxi Province, Xi'an Jiaotong University, Xi'an 710049, China; (2) Xi'an Institute of Optics and Precision Mechanics, State Key Laboratory of Transient Optical Technology, Academy of Sciences of China, Xi'an, 710068, 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.(xd_yang@163.com)
Source title:Proceedings of SPIE - The International Society for Optical Engineering
Abbreviated source title:Proc SPIE Int Soc Opt Eng
Volume:5774
Monograph title:Fifth International Conference on Thin Film Physics and Applications
Issue date:2005
Publication year:2005
Pages:369-372
Article number:85
Language:English
ISSN:0277786X
CODEN:PSISDG
Document type:Conference article (CA)
Conference name:Fifth International Conference on Thin Film Physics and Applications
Conference date:May 31, 2004 - June 2, 2004
Conference location:Shanghai, China
Conference code:65676
Sponsor:Chinese Physical Society, China; Shanghai Physical Society, China; The National Natural Science Foundation of China; East China Normal Univ., School of Inf. Sci. and Technol., China; Fudan University, Applied Surface Physics Laboratory, China
Publisher:SPIE
Abstract:ZnO films were fabricated using Laser molecular beam epitaxy method on different substrates including Si(001), C-plane and R-plane Al<inf>2</inf>O <inf>3</inf>. The crystallinity and orientation of the films, as well as the epitaxial relationship between ZnO films and the substrate were studied using X-ray diffraction (XRD) technique. For the films grown on C-plane Al <inf>2</inf>O<inf>3</inf> and Si(001) substrates, Highly c-axis oriented ZnO films were obtained. The surface morphology and roughness of ZnO films were determined by atomic force microscopy (AFM) and Reflection High Energy Electron diffraction (RHEED).
Number of references:9
Main heading:Zinc oxide
Controlled terms:Atomic force microscopy - Crystalline materials - Fabrication - Molecular beam epitaxy - Morphology - Photoluminescence - Reflection high energy electron diffraction - Substrates - Thin films - X ray diffraction
Uncontrolled terms:Crystallinity - Laser molecular beam epitaxy - ZnO films
Classification code:933.1 Crystalline Solids - 932.1 High Energy Physics - 931.3 Atomic and Molecular Physics - 931.2 Physical Properties of Gases, Liquids and Solids - 804.2 Inorganic Compounds - 741.3 Optical Devices and Systems - 741.1 Light/Optics - 714.2 Semiconductor Devices and Integrated Circuits - 461 Bioengineering and Biology
Treatment:Experimental (EXP)
DOI:10.1117/12.608013
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 78>
Accession number:2005439439413
Title:The study of InAs<sub>x</sub>Sb<sub>1-x</sub> on GaSb substrate grown by LP-MOCVD
Authors:Li, Xiaoting (0); Wang, Yiding (0); Wang, Tao (0); Yin, Jingzhi (0); Wang, Jingwei (0); Sai, Xiaofeng (0); Gao, Hongkai (0); Zhang, Zhiyong (0)
Corr. author affiliation:Xi'an Institute of Optics and Precision Mechanism, Chinese Academy of Science, Xi'an 710068, China
Source title:Guangzi Xuebao/Acta Photonica Sinica
Abbreviated source title:Guangzi Xuebao
Volume:34
Issue:9
Issue date:September 2005
Publication year:2005
Pages:1363-1366
Language:Chinese
ISSN:10044213
CODEN:GUXUED
Document type:Journal article (JA)
Publisher:Chinese Optical Society, Xi'an, China
Abstract:InAsSb epitaxy had been obtained on (100) GaSb substrate by a home-made low pressure MOCVD system. The characteristic of InAsSb epitaxy was investigated by means of X-ray diffraction technique, optical microscopy and scanning electron microscopy(SEM), and electron microprobe analysis (SEM). And the dependence of surface morphology and solid composition of epitaxy on growth temperature, V/III ratio and buffer layer is studied. High quality mirror-like surfaces with a minimum lattice mismatch was obtained.
Number of references:12
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 79>
Accession number:2006079703396
Title:Numerical calculation of bandwidth of graded-index plastic optical fiber under selective mode excitation
Authors:Wenping, Ge (1); Weijian, Tian (2)
Author affiliation:(1) College of Information Science and Engineering, Xinjiang University, Urumchi 830046, China; (2) Xi'an Institute of Optics and Precision Mechanics, Academia Sinica, Xi'an 710068
Corresponding author:Wenping, G.
Source title:Proceedings of SPIE - The International Society for Optical Engineering
Abbreviated source title:Proc SPIE Int Soc Opt Eng
Volume:5951
Monograph title:Optical Fibers: Technology
Issue date:2005
Publication year:2005
Pages:1-6
Article number:59510D
Language:English
ISSN:0277786X
CODEN:PSISDG
Document type:Conference article (CA)
Conference name:Optical Fibers: Technology
Conference date:September 1, 2005 - September 2, 2005
Conference location:Warsaw, Poland
Conference code:66553
Sponsor:NEMO-Network of Excellence on Micro-Optics; European Office of Aerospace Research and Development
Publisher:SPIE
Abstract:Plastic optical fiber (POF) can be taken as short distance transmission system medium for replacing of coaxial cable because of its many excellent characteristics. The bandwidth characteristics of graded-index POF is strongly influenced by the differential mode attenuation (DMA).In this paper, a comprehensive bandwidth calculation model of POF is given. The analytical expression of DMA is fitted by eighth order polynomial from the experimental data, and is used for the calculation of fiber bandwidth. The frequency response function of graded-index plastic optical fiber(GIPOF) is calculated numerically under selective mode excitation condition, and the fiber bandwidth is studied. The calculated results indicated that the selective mode excitation could improve efficiently the fiber 3dB bandwidth. The influence of light source linewidth on fiber bandwidth is also investigated.
Number of references:7
Main heading:Optical fibers
Controlled terms:Attenuation - Bandwidth - Coaxial cables - Frequency response - Numerical methods - Polynomials
Uncontrolled terms:Differential mode attenuation (DMA) - Fiber bandwidth - Plastic optical fiber - Selective mode excitation
Classification code:921.6 Numerical Methods - 921.1 Algebra - 741.1.2 Fiber Optics - 716.1 Information Theory and Signal Processing - 711.1 Electromagnetic Waves in Different Media - 706.2 Electric Power Lines and Equipment - 703.1 Electric Networks
Treatment:Theoretical (THR); Experimental (EXP)
DOI:10.1117/12.622540
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 80>
Accession number:2005529618222
Title:Self-stabilizing effect of four-wave mixing and its applications on multiwavelength erbium-doped fiber lasers
Authors:Liu, Xueming (1); Lu, C. (2)
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) I2R, A-STAR, Singapore 637723, Singapore
Corresponding author:Liu, X.(liuxueming72@yahoo.com)
Source title:IEEE Photonics Technology Letters
Abbreviated source title:IEEE Photonics Technol Lett
Volume:17
Issue:12
Issue date:December 2005
Publication year:2005
Pages:2541-2543
Language:English
ISSN:10411135
CODEN:IPTLEL
Document type:Journal article (JA)
Publisher:Institute of Electrical and Electronics Engineers Inc.
Abstract:Self-stabilizing effect of four-wave mixing (FWM) is analyzed and proven in this letter by using the undepleted approximation and the perturbation method. Multiwavelength erbium-doped fiber lasers with excellent stability and uniformity are demonstrated experimentally at room temperature. The novel fiber lasers are stabilized and equalized as a result of the balance between the self-stabilizing function of FWM and the mode competition effect of erbium-doped fiber. © 2005 IEEE.
Number of references:11
Main heading:Four wave mixing
Controlled terms:Approximation theory - Crystals - Erbium - Fiber Bragg gratings - Fiber lasers - Perturbation techniques - Spectrum analysis
Uncontrolled terms:Multiwavelength erbium-doped fiber lasers - Photonic crystal fiber (PCF) - Self-stabilizing effect
Classification code:547.2 Rare Earth Metals - 741.1 Light/Optics - 741.3 Optical Devices and Systems - 744.4 Solid State Lasers - 921.6 Numerical Methods - 933.1 Crystalline Solids
Treatment:Theoretical (THR)
DOI:10.1109/LPT.2005.858075
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 81>
Accession number:2005529615191
Title:Highly efficient tunable tapered-polymer-fiber lasers
Authors:Peng, Qinjun (1); Wang, Guiling (1); Bo, Yong (1); Guo, Xinjun (1); Geng, Aicong (1); Xu, Zuyan (1); Ren, Liyong (2); Zhang, Yani (2); Wang, Yishan (2); Zhao, Wei (2); Wang, Lili (2)
Author affiliation:(1) Optics Physics Lab., Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China; (2) Xi'an Institute of Optics and Precision Mechanics, CAS, Xi'an 710068, China
Corresponding author:Peng, Q.(pengqinjun@163.com)
Source title:Applied Physics Letters
Abbreviated source title:Appl Phys Lett
Volume:87
Issue:25
Issue date:2005
Publication year:2005
Pages:1-3
Article number:251101
Language:English
ISSN:00036951
CODEN:APPLAB
Document type:Journal article (JA)
Publisher:American Institute of Physics Inc.
Abstract:A highly efficient tunable tapered-polymer-fiber (TPF) laser was demonstrated by use of a compound parabolic TPF doped with Rhodamine-6G (R6G) dye. The tuning ranges over 40 nm at the visible region for laser output with the maximum output energy of 600 μJ at 570 nm and the optical-optical conversion efficiency of 23% were achieved by a prism as a spectrally selective element. Moreover, the coupling efficiency for the taper exceeded 90%. Compared to traditional polymer fibers with a micrometer-size core diameter, the taper allows for a higher pump to be launched without damaging the fiber endfaces, and it can efficiently couple the light into the fiber and alleviate the alignment difficulty. So, the TPF laser not only possesses all of the advantages of traditional polymer-fiber lasers, and it can also obtain higher output energy and higher efficiency. Additionally, it is insensitive to geometrical displacements. © 2005 American Institute of Physics.
Number of references:13
Main heading:Fiber lasers
Controlled terms:Doping (additives) - Laser optics - Laser tuning - Rhodium compounds
Uncontrolled terms:Core diameter - Fiber endfaces - Tuning ranges
Classification code:712.1 Semiconducting Materials - 741.1 Light/Optics - 744.1 Lasers, General - 744.4 Solid State Lasers - 804.2 Inorganic Compounds
Treatment:Theoretical (THR)
DOI:10.1063/1.2149155
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 82>
Accession number:20142017715212
Title:Properties and applications of bacteriorhodopsin-films as dynamic holographic recording media
Authors:Yao, Baoli (1); Wang, Yingli (1); Menke, Neimule (1); Lei, Ming (1); Ren, Liyong (1); Ren, Zhiwei (1)
Author affiliation:(1) State Key Laboratory of Transient Optics Technology, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China
Corresponding author:Yao, B.(yaobl@opt.ac.cn)
Source title:Optics InfoBase Conference Papers
Abbreviated source title:Opt.InfoBase Conf. Papers
Monograph title:Photorefractive Effects, Materials, and Devices, PEMD 2005
Issue date:2005
Publication year:2005
Pages:300-306
Language:English
E-ISSN:21622701
ISBN-10:1557527938
ISBN-13:9781557527936
Document type:Conference article (CA)
Conference name:Photorefractive Effects, Materials, and Devices, PEMD 2005
Conference date:July 19, 2005 - July 19, 2005
Conference location:Sanya, China
Conference code:104870
Publisher:Optical Society of America
Abstract:Bacteriorhodopsin (BR), a photochromic protein, shows some excellent features for dynamic holographic recording medium. The dynamic diffraction efficiencies of a genetic mutated variant BR (BR-D96N) film for various types of polarization holography were tested and compared. Reflection-type holograms were recorded in the BR-film, which shown the spatial resolution of the film was more than 6000 lines/mm. Phase conjugate reconstruction of holograms revealed that the distortion of the object image could be efficiently corrected. Two images with orthogonal polarizations can be multiplexed stored in the BR-film and reconstructed separately. Double-exposure interferometry was implemented using the BR-film. © 2005 OSA/PEMD 2005.
Number of references:12
Main heading:Holograms
Controlled terms:Holographic interferometry - Image reconstruction - Light refraction - Photoreactivity - Photorefractive materials - Polarization
Uncontrolled terms:Bacteriorhodopsin (bR) - Dynamic holographic - Orthogonal polarizations - Phase conjugates - Polarization holography - Spatial resolution
Classification code:741 Light, Optics and Optical Devices - 743 Holography - 743.2 Holographic Applications
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 83>
Accession number:2005489506871
Title:Interband optical-absorption spectra of a finite quantum dot superlattice in a cylindrical nanowire
Authors:Zhang, T.Y. (1); Zhao, W. (1); Cao, J.C. (2); Qasim, 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, 322 West Youyi Road, Xi'an 710068, China; (2) State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, 865 Changning Road, Shanghai 200050, China
Corresponding author:Zhang, T.Y.(tyzhang@opt.ac.cn)
Source title:Journal of Applied Physics
Abbreviated source title:J Appl Phys
Volume:98
Issue:9
Issue date:November 1, 2005
Publication year:2005
Article number:094311
Language:English
ISSN:00218979
CODEN:JAPIAU
Document type:Journal article (JA)
Publisher:American Institute of Physics Inc.
Abstract:Theoretical calculations of the interband optical-absorption spectra of a finite quantum dot superlattice in a wire (QDSLW) in the presence of a homogeneous dc or terahertz field are presented. The QDSLW has miniband structures of the electron states as general quantum well superlattices do and shows the two features common to one-dimensional structures, viz., strong excitonic absorption below and weak absorption above the band edge. The applied dc field causes a redshift of the location and a decrease in height of the main excitonic peak and leads to an increase in height of the minor peak next to the main peak. In the presence of a terahertz field, the Autler-Townes splitting of the main excitonic peak and the emergence of one-photon and two-photon gain peaks on the spectra are demonstrated. © 2005 American Institute of Physics.
Number of references:40
Main heading:Light absorption
Controlled terms:Excitons - Frequencies - Photons - Semiconductor quantum dots - Semiconductor quantum wells - Superlattices
Uncontrolled terms:Excitonic peak - Gain peaks - Miniband structures - Terahertz fields
Classification code:711.1 Electromagnetic Waves in Different Media - 712.1 Semiconducting Materials - 714.2 Semiconductor Devices and Integrated Circuits - 741.1 Light/Optics - 931.3 Atomic and Molecular Physics - 933.1 Crystalline Solids
Treatment:Experimental (EXP)
DOI:10.1063/1.2131190
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 84>
Accession number:2005129008287
Title:Investigation on the characteristics of polarized optical field of solid immersion lens
Authors:He, Fengtao (0); Zhang, Dongling (0); Bai, Yonglin (0); Feng, Xiaoqiang (0); Hou, Xun (0)
Corr. author affiliation:Lab. of Transient Optics, Inst. of Optics and Precision Mech., Acad. Sinica, Xi'an 710068, China
Source title:Guangzi Xuebao/Acta Photonica Sinica
Abbreviated source title:Guangzi Xuebao
Volume:34
Issue:2
Issue date:February 2005
Publication year:2005
Pages:276-279
Language:Chinese
ISSN:10044213
CODEN:GUXUED
Document type:Journal article (JA)
Publisher:Chinese Optical Society, Xi'an, China
Abstract:In near-field optical storage system of solid immersion lens, the polarization of the incident light affects the near-field optical image greatly. In this paper 3 component optical fields intensity of focused linear polarized Gauss beam in the focal plane and the intensity patterns in the sections of various distance from the focal plane are simulated using 3-dimensional finite-difference time-domain (FDTD) method. The results show that the image pattern in the focal plane or the sections near the focal takes on approximate ellipse, while the patterns in the planes of far region displays asymmetrical round.
Number of references:10
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 85>
Accession number:2005409403984
Title:Effects of oxygen pressure on optical and crystal properties of ZnO thin films prepared by laser molecular beam epitaxy
Authors:Xu, Qing'an (1); Zhang, Jingwen (1); Yang, Xiaodong (1); He, Yongning (1); Zhang, Weifeng (3); Hou, Xun (1)
Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanics, State Key Laboratory of Transient Optical Technology, Academy of Sciences of China, Xi'an, 710068, China; (2) Key Laboratory of Photonics Technology for Information, Shaanxi province, Xi'an Jiaotong University, Xi'an 710049, China; (3) School of Physics and Information Photoelectronics, Henan University, Kaifeng 475000, China
Corresponding author:Xu, Q.(lzuxqan@sohu.com)
Source title:Proceedings of SPIE - The International Society for Optical Engineering
Abbreviated source title:Proc SPIE Int Soc Opt Eng
Volume:5774
Monograph title:Fifth International Conference on Thin Film Physics and Applications
Issue date:2005
Publication year:2005
Pages:462-465
Article number:108
Language:English
ISSN:0277786X
CODEN:PSISDG
Document type:Conference article (CA)
Conference name:Fifth International Conference on Thin Film Physics and Applications
Conference date:May 31, 2004 - June 2, 2004
Conference location:Shanghai, China
Conference code:65676
Sponsor:Chinese Physical Society, China; Shanghai Physical Society, China; The National Natural Science Foundation of China; East China Normal Univ., School of Inf. Sci. and Technol., China; Fudan University, Applied Surface Physics Laboratory, China
Publisher:SPIE
Abstract:C-axis oriented ZnO thin films were epitaxially grown at 350 on sapphire (0001) substrates by laser molecular beam epitaxy(L-MBE) with oxygen pressures of l.lE-4Pa,1.8E-4Pa, 2.3E-4Pa,and 2.1E-3Pa. As oxygen pressure increases,the full-width at half maximum(FWHM) of X ray diffraction(XRD) becomes smaller and the diffraction peak intensity for (0002) planes becomes more intense as well as the symmetry of the peak shape becomes improved. Photoluminescence (PL) spectra of all samples show two emissions of a strong UV near-bandedge(NBE) emission peak at approximately 377 nm and a weak green-yellow deep level emission around 520nm. The samples grown with higher oxygen pressure have higher intensities of luminescence at 377 nm and the ratio of UV emission to deep level emission intensities increases. Reflection high energy electron diffraction(RHEED) pattern of ZnO films changes from spotty pattern to streaky one step by step with higher oxygen pressure.
Number of references:11
Main heading:Zinc oxide
Controlled terms:Diffraction - Molecular beam epitaxy - Optical properties - Oxygen - Reflection high energy electron diffraction - Thin films - X ray diffraction
Uncontrolled terms:L-MBE - RHEED, oxygen pressure - Sapphire substrates
Classification code:933.1.2 Crystal Growth - 932.1 High Energy Physics - 931.3 Atomic and Molecular Physics - 804.2 Inorganic Compounds - 741.1 Light/Optics - 714.2 Semiconductor Devices and Integrated Circuits - 711.1 Electromagnetic Waves in Different Media
Treatment:Experimental (EXP)
DOI:10.1117/12.608176
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 86>
Accession number:2006069686943
Title:Application of fuzzy - PID control in TV follow servo system
Authors:Han, Yameng (0); Ma, Jiankang (0); Zhang, Ying (0)
Corr. author affiliation:Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China
Source title:Guangzi Xuebao/Acta Photonica Sinica
Abbreviated source title:Guangzi Xuebao
Volume:34
Issue:12
Issue date:December 2005
Publication year:2005
Pages:1918-1920
Language:Chinese
ISSN:10044213
CODEN:GUXUED
Document type:Journal article (JA)
Publisher:Chinese Optical Society, Xi'an, China
Abstract:A new method based on the fuzzy - PID control was presented which was suitable for TV follow servo system. The advantages of simple fuzzy control and traditional PID control were combined in this method. A designing method of fuzzy - PID controller was given, then an example of how to design and simulate the system by using the software MATLAB was introduced. The simulation results show that the performance of TV follow servo system is improved by using the proposed controller.
Number of references:6
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 87>
Accession number:2006069686921
Title:Design of a short focal-length zoom system
Authors:Cheng, Ke (0); Zhou, Sizhong (0); Zhang, Hengjin (0)
Corr. author affiliation:Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China
Source title:Guangzi Xuebao/Acta Photonica Sinica
Abbreviated source title:Guangzi Xuebao
Volume:34
Issue:12
Issue date:December 2005
Publication year:2005
Pages:1825-1828
Language:Chinese
ISSN:10044213
CODEN:GUXUED
Document type:Journal article (JA)
Publisher:Chinese Optical Society, Xi'an, China
Abstract:A method for initial zoom system design was proposed. The new optimized arithmetic was used for designing based on differential analytic expression method. The results showed that the length of the system could be reduced in this way. An example of three moving group elements and mechanic compensator type was given with configuration f'=3.87-19.35 mm, ω=76.6°-17.71°.
Number of references:8
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 88>
Accession number:2005299225540
Title:Preparation technology and the structure characteristics of the β-eucryptite glass ceramics
Authors:Kang, Li-Jun (1); Liu, Tong (1); Su, Zhi-Mei (1); Li, Tong-Hai (1); Kong, Yu-E (1); Wang, Li-Li (1); Zhao, Jing (1)
Author affiliation:(1) Information Photonics 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
Corresponding author:Kang, L.-J.
Source title:Gongneng Cailiao/Journal of Functional Materials
Abbreviated source title:Gongneng Cailiao
Volume:36
Issue:6
Issue date:June 2005
Publication year:2005
Pages:825-827
Language:Chinese
ISSN:10019731
CODEN:GOCAEA
Document type:Journal article (JA)
Publisher:Journal of Functional Materials
Abstract:The preparation technology, the structure characteristics and the mechanism of negative coefficient of thermal expansion (CTE) of β-eucryptite glass ceramics were studied. The glass ceramics were prepared in glass crystallization method. And then the structure characteristics were expressed by XRD and SEM. And it was discussed to the negative coefficient of thermal expansion (CTE) of β-eucryptite glass ceramics and its relationship with crystal phases and crystallization temperature. And the β-eucryptite glass ceramics with negative CTE was produced by glass crystallization method, and the strongest negative CTE of -1.037×10<sup>-5</sup>/°C (from room temperature to 200°C) was obtained.
Number of references:9
Main heading:Glass ceramics
Controlled terms:Ceramic materials - Crystallization - Heat treatment - Scanning electron microscopy - Thermal expansion - X ray diffraction analysis
Uncontrolled terms:β-eucryptite - Glass crystallization - Negative thermal expansion
Classification code:537.1 Heat Treatment Processes - 812.1 Ceramics - 931.2 Physical Properties of Gases, Liquids and Solids
Treatment:Experimental (EXP)
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 89>
Accession number:2006109747162
Title:New approach to mass fabrication technology of microstructured polymer optical fiber preform
Authors:Wang, Lili (1); Zhang, Yani (1); Ren, Liyong (1); Wang, Xuezhong (1); Li, Tonghai (1); Hu, Baowen (1); Li, Yulin (1); Zhao, Wei (1); Chen, Xinghua (2)
Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China; (2) Xi'an Jiaotong University, Xi'an 710049, China
Corresponding author:Wang, L.(wangll@opt.ac.cn)
Source title:Chinese Optics Letters
Abbreviated source title:Chin. Opt. Lett.
Volume:3
Issue:SUPPL.
Issue date:August 2005
Publication year:2005
Pages:S94-S95
Language:English
ISSN:16717694
Document type:Journal article (JA)
Publisher:Science Press
Abstract:We have successfully fabricated microstructured polymer optical fiber (MPOF) preforms by polymerization method of monomer and thermo-melting-extrusion of PMMA grains in home-made mould. Monomer-based fabrication of MPOF preform offers key advantages over both conventional capillaries stack-draw and drill-machining methods. By varying structure of the mould, it is easy to make different cross-section preforms of specialty fibers with holes of arbitrary shapes and sizes in any desired arrangement. We have also exploited preparation method of MPOF preforms with chemical doping or modification of the polymer itself, and successfully incorporated laser dyes, rhodamines into core of MPOF preform.
Number of references:5
Main heading:Optical fibers
Controlled terms:Capillarity - Extrusion - Machining - Melting - Microstructure - Monomers - Polymers
Uncontrolled terms:Capillaries stack draw - Drill machining methods - Microstructured polymer optical fiber (MPOF) - Rhodamines
Classification code:531.2 Metallography - 535.2.2 Metal Forming Practice - 741.1.2 Fiber Optics - 802.3 Chemical Operations - 804 Chemical Products Generally - 815.1 Polymeric Materials
Treatment:Experimental (EXP)
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 90>
Accession number:2005449454039
Title:Real-time system of star testing for optical system
Authors:Wang, Hu (0); Zhang, Yi (0); Che, Chi-Cheng (0)
Corr. author affiliation:Xi'an Institute of Optics and Precision Mechanism, Chinese Academy of Sciences, Xi'an 710068, China
Source title:Guangxue Jishu/Optical Technique
Abbreviated source title:Guangxue Jishu
Volume:31
Issue:SUPPL.
Issue date:September 2005
Publication year:2005
Pages:93-95
Language:Chinese
ISSN:10021582
CODEN:GJISEP
Document type:Journal article (JA)
Publisher:Optical Technique, Beijing, China
Abstract:A real-time method for optical system star testing was presented by CCD, PC and image processing technology. Compared with the former methods, it was simple, high-precision. The computer determining was used for star-testing, which avoided the affect by Personal factor. And this method can be observed and identified by several workers at the same time. Then the testing results can be preserved as pictures, for referring in the future.
Number of references:5
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 91>
Accession number:2005169051219
Title:Dual-wavelength optical image storage with bicolor fulgides film
Authors:Menke, Neimule (1); Yao, Baoli (1); Chen, Yi (2); Wang, Yingli (1); Li, Tiankai (2); Zheng, Yuan (1); Lei, Ming (1); Dong, Weibin (1); Fan, Meigong (2); Chen, Guofu (1)
Author affiliation:(1) Lab. of Transient Optics Technol., Inst. of Optics and Precision Mech., Chinese Acad. of Sci., Xi'an 710068, China; (2) Tech. Inst. of Phys. and Chem., Chinese Acad. of Sci., Beijing 100101, China
Corresponding author:Yao, B.(yaobl@opt.ac.cn)
Source title:Guangxue Xuebao/Acta Optica Sinica
Abbreviated source title:Guangxue Xuebao
Volume:25
Issue:2
Issue date:February 2005
Publication year:2005
Pages:220-223
Language:Chinese
ISSN:02532239
CODEN:GUXUDC
Document type:Journal article (JA)
Publisher:Chinese Optical Society
Abstract:Two types of photochromic fulgide compounds [(1,2,4-trimethyl-5-phenyl)-3-pyrryl-ethylidene (isopropylidene) fulgide and (p-N, N-dimethylphenyl-2-methyl)-3-oxazoleyl-ethylidene (isopropylidene) fulgide] were used to prepare single layer bicolor PMMA composite film. The experiment demonstrated that two different images could be recorded on the bicolor composite film at the same area by using two different wavelengths (650 nm and 488 nm) respectively. When using the corresponding wavelength 650 nm or 488 nm to readout the two stored images on the film, each wavelength can obtain a high contrast ratio image and the two images with little crosstalk. This experiment confirmed that it was feasible to store and readout two images at the same area of the bicolor photochromic fulgide material.
Number of references:15
Main heading:Optical films
Controlled terms:Composite materials - Image recording - Optical image storage - Optoelectronic devices - Photochromism - Readout systems
Uncontrolled terms:Film optics - Fulgide - Optoelectronic materials - Single layer bicolor PMMA composite film
Classification code:741.1 Light/Optics - 741.3 Optical Devices and Systems - 817 Plastics and Other Polymers: Products and Applications - 941 Acoustical and Optical Measuring Instruments
Treatment:Applications (APP); Experimental (EXP)
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 92>
Accession number:2005269184422
Title:Goos-Hänchen shift of the transmitted light beam in a two-prism configuration
Authors:Zhu, Qibiao (1); Li, Chunfang (1); Chen, Xi (1)
Author affiliation:(1) Department of Physics, College of Sciences, 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 710068, China
Corresponding author:Zhu, Q.(qbzhu@staff.shu.edu.cn)
Source title:Guangxue Xuebao/Acta Optica Sinica
Abbreviated source title:Guangxue Xuebao
Volume:25
Issue:5
Issue date:May 2005
Publication year:2005
Pages:673-677
Language:Chinese
ISSN:02532239
CODEN:GUXUDC
Document type:Journal article (JA)
Publisher:Chinese Optical Society
Abstract:Goos-H¨anchen (GH) shifts of the transmitted and reflected light beam in a two-prism configuration is saturated to a maximum in the opaque limit for the incidence angle above the critical angle for total reflection. The magnitude of GH shift is about the order of the wavelength. The Goos-Ha¨nchen shift of the transmitted light beam in a two-prism configuration is investigated by stationary-phase approach when the incidence angle is less than the critical angle. It is shown that the Goos-Ha¨nchen shift of the transmitted light beam in propagating case is a periodical function of the air-gap thickness, incidence angle and the refractive index of two prisms. Due to transmission resonance, the Goos-Ha¨nchen shift of the transmitted light beam can be of one or two order of wavelength. Compared to the result for the incidence angle above the critical angle, the Goos-Ha¨nchen shift presented here can be resonantly enhanced by boundary interaction effect. It is also shown that the Goos-Ha¨nchen shift of the reflected light beam is the same as that of the transmitted one in the symmetric structure, when the resonance does not occur. These resonance-enhanced shifts of the transmitted light beam may lead to potential applications in the optical devices, such as optical switch and optical coupler.
Number of references:21
Main heading:Prisms
Controlled terms:Light reflection - Light transmission - Optical switches - Physical optics - Refractive index
Uncontrolled terms:Finite sized light beam - Goos-Hanchen shift - Optical couplers - Resonance enhancement - Stationary phase approach - Two-prism configuration
Classification code:741.1 Light/Optics - 741.3 Optical Devices and Systems
Treatment:Applications (APP); Theoretical (THR)
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 93>
Accession number:20142017714777
Title:Fourier-transform polarization holographic data storage in bacteriorhodopsin film
Authors:Yao, Baoli (1); Menke, Neimule (1); Ren, Zhiwei (1); Wang, Yingli (1); Zheng, Yuan (1); Lei, Ming (1); Ren, Liyong (1); Chen, Guofu (1); Hampp, Norbert (2)
Author affiliation:(1) State Key Laboratory of Transient Optics Technology, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China; (2) Institute of Physical Chemistry, University of Marburg, D-35032 Marburg, Germany
Corresponding author:Yao, B.(yaobl@opt.ac.cn)
Source title:Optics InfoBase Conference Papers
Abbreviated source title:Opt.InfoBase Conf. Papers
Monograph title:International Symposium on Optical Memory and Optical Data Storage, ISOM_ODS 2005
Issue date:2005
Publication year:2005
Language:English
E-ISSN:21622701
ISBN-10:1557527946
ISBN-13:9781557527943
Document type:Conference article (CA)
Conference name:International Symposium on Optical Memory and Optical Data Storage, ISOM_ODS 2005
Conference date:July 10, 2005 - July 10, 2005
Conference location:Honolulu, HI, United states
Conference code:104862
Publisher:Optical Society of America
Abstract:Using Fourier-transform holographic setup a storage density of 2×108 bits/cm2 was obtained in an optical film containing the genetic variant bacteriorhodopsin BR-D96N by the orthogonal circular polarization of recording. © 2005 Optical Society of America.
Number of references:8
Main heading:Optical data storage
Uncontrolled terms:Bacteriorhodopsin films - Genetic variants - Holographic data storage - Orthogonal circular polarizations - Storage densities
Classification code:741.3 Optical Devices and Systems
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 94>
Accession number:2816883
Title:Scientific objectives and payloads of Chang' E-1 lunar satellite
Authors:Huixian, Sun (1); Shuwu, Dai (1); Jainfeng, Yang (2); Ji, Wu (1); Jingshan, Jiang (1)
Author affiliation:(1) Center for Space Science and Applied Research, Post Box 8701, Beijing 100 080, China; (2) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710 068, China
Corresponding author:Huixian, S.(shxian@nc.poac.ac.cn)
Source title:Journal of Earth System Science
Abbreviated source title:J. Earth Syst. Sci.
Volume:114
Issue:6
Issue date:December 2005
Publication year:2005
Pages:789-794
Language:English
ISSN:02534126
E-ISSN:02534126
Document type:Journal article (JA)
Publisher:Indian Academy of Sciences
Abstract:China plans to implement its first lunar exploration mission Chang'E-1 by 2007. The mission objectives are &bull to obtain a three-dimensional s tereo image of the lunar surface, &bull to determine distribution of some useful elements and to estimate their abundance, &bull to survey the thickness of lunar soil and to evaluate resource of <sup>3</sup>He and &bull to explore the environment between the Moon and Earth. To achieve the above mission goals, five types of scientific instruments axe selected as payloads of the lunar craft. These include stereo camera and spectrometer imager, laser altimeter, microwave radiometer, gamma and X-ray spectrometers and space environment monitor system. In order to collect, process, store and transmit the scientific data of various payloads a special payload data management system is also included. In this paper the goals of Chang'E-1 and its payloads are described. © Printed in India.
Controlled terms:Moon - spacecraft
Species terms:Human echovirus 1
Classification code:72.17.1 Moon
Database:GEOBASE
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 95>
Accession number:2006079701549
Title:Study on the spectral radiometric calibration method of the spatially modulated imaging Fourier transform spectrometer
Authors:Cui, Yan (1); Ji, Zhongying (1); Gao, Jing (1); Huang, Min (1); Xue, Lijun (1); Xiangli, Bin (1)
Author affiliation:(1) 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
Corresponding author:Cui, Y.(cuiyanmw54124@sina.com.cn)
Source title:Guangxue Xuebao/Acta Optica Sinica
Abbreviated source title:Guangxue Xuebao
Volume:25
Issue:12
Issue date:December 2005
Publication year:2005
Pages:1718-1721
Language:Chinese
ISSN:02532239
CODEN:GUXUDC
Document type:Journal article (JA)
Publisher:Chinese Optical Society
Abstract:Spatially modulated imaging Fourier transform spectrometer (SMIFTS) was different from other spectrometers. It gained one dimensional spatial information and one dimensional spectral information. Calibration of spatially modulated imaging Fourier transform spectrometer was imperfect for its special theory. A method of radiometric calibration is introduced, which used spatially modulated imaging Fourier transform spectrometer and spectral radiometer to collect irradiance of the same target. After converted interferograms into spectrum and compared with the true spectrum collected by special radiometer, calibration coefficients were obtained and the calibration accuracy was analysed. The results indicated that the method can satisfy the requirement of spectral radiometric calibration by spatially modulated imaging Fourier transform spectrometer, the calibration accuracy reached 5.74%.
Number of references:10
Main heading:Calibration
Controlled terms:Fourier transforms - Imaging systems - Modulation - Spectrometers
Uncontrolled terms:Calibration accuracy - Radiometric calibration - Spatial information - Spatially modulated imaging Fourier transform spectrometer (SMIFTS) - Spectral information
Classification code:716 Telecommunication; Radar, Radio and Television - 741.3 Optical Devices and Systems - 902.2 Codes and Standards - 921.3 Mathematical Transformations
Treatment:Experimental (EXP)
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 96>
Accession number:2005108876189
Title:Development of uncompressed multichannel digital video optical fiber transmission system
Authors:Wang, Hua (0); Wen, Desheng (0); Li, Xiangguo (0); Zheng, Peiyun (0); Li, Tao (0); Zhang, Ying (0)
Corr. author affiliation:Inst. of Optics and Precision Mech., Chinese Acad. of Sci., Xi'an 710068, China
Source title:Guangzi Xuebao/Acta Photonica Sinica
Abbreviated source title:Guangzi Xuebao
Volume:34
Issue:1
Issue date:January 2005
Publication year:2005
Pages:150-153
Language:Chinese
ISSN:10044213
CODEN:GUXUED
Document type:Journal article (JA)
Publisher:Chinese Optical Society, Xi'an, China
Abstract:A solution of uncompressed multichannel digital video transmission system is presented. Based on time-division multiplexing technology and the serial digital video transmission, the system can transfer multichannel video signal over a single optical fiber. Designing scheme, main technologies and high speed data interface design are introduced in detail. Experiments show that the system works stably and has a good effect of real-time transmission. It is a good and practical scheme for security and surveillance systems.
Number of references:6
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 97>
Accession number:2005439439421
Title:An automatic location algorithm for low SNR moving targets based on adaptive template
Authors:Chai, Raojun (0); Ma, Caiwen (0); Tang, Zili (0)
Corr. author affiliation:Xian Institute of Optics and Precision Mechanics, CAS, Xi'an 710068, China
Source title:Guangzi Xuebao/Acta Photonica Sinica
Abbreviated source title:Guangzi Xuebao
Volume:34
Issue:9
Issue date:September 2005
Publication year:2005
Pages:1404-1407
Language:English
ISSN:10044213
CODEN:GUXUED
Document type:Journal article (JA)
Publisher:Chinese Optical Society, Xi'an, China
Abstract:SNR is used to analyze target gray characters to its neighbor pixels. According to these low SNR moving puny targets, an adaptive template matching method has been proposed to extract these targets by part Hausdorff distance in measuring the similarity between the templates and target images. Then combined with adaptive thresholding technique, targets precision pixel dimensions can be calculated in given pictures. Critical experiments results of different target images sequences show that this algorithm is fast, stable and flexible with much reference value in related Automatic Target Recognition and location fields.
Number of references:17
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 98>
Accession number:2005179070075
Title:Experimental of study of ultrashort pulse Yb<sup>3+</sup>-doped fiber laser
Authors:Yang, Lingzhen (0); Chen, Guofu (0); Wang, Yishan (0); Zhao, Wei (0); Xiong, Hongjun (0); Ding, Guanglei (0); Cheng, Zhao (0)
Corr. author affiliation:Inst. of Optics and Precision Mech., Chinese Acad. of Sci., Xi'an 710068, China
Source title:Guangzi Xuebao/Acta Photonica Sinica
Abbreviated source title:Guangzi Xuebao
Volume:34
Issue:3
Issue date:March 2005
Publication year:2005
Pages:333-335
Language:Chinese
ISSN:10044213
CODEN:GUXUED
Document type:Journal article (JA)
Publisher:Chinese Optical Society, Xi'an, China
Abstract:It is reported the experimental study of ultrashort pulse Yb<sup>3+</sup>-doped fiber ring laser. The Yb<sup>3+</sup>-doped fiber is pumped using a 976 nm semiconductor laser. Using the additive pulse mode-locking based on nonlinear polarization evolution, the Yb<sup>3+</sup>-doped fiber laser achieves stable mode-locking by adjusting the orientation of PC. The maximum output power of the laser is 7.02 mW, at the repetition rate of 13.7 MHz corresponding to ~6 nm spectrum width.
Number of references:8
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 99>
Accession number:2005439439428
Title:Research on un-illuminant space target visual detection technique
Authors:Chen, Rongli (0); Han, Le (0); Che, Chicheng (0); Ma, Zhen (0); Fan, Xuewu (0)
Corr. author affiliation:Xi'an Institute of Optics and Precision Mechanics, CAS, Xi'an 710668, China
Source title:Guangzi Xuebao/Acta Photonica Sinica
Abbreviated source title:Guangzi Xuebao
Volume:34
Issue:9
Issue date:September 2005
Publication year:2005
Pages:1438-1440
Language:Chinese
ISSN:10044213
CODEN:GUXUED
Document type:Journal article (JA)
Publisher:Chinese Optical Society, Xi'an, China
Abstract:In space targets, about 7% of them are manmade satellites; others are space relics of debris. Only rely on sun shining can these targets be detected because all of them do not illuminant themselves. They are so far from the sensor that can be considered as point targets. Mathematics model of un-illuminant space target is set up. Based on classical optical theory the relationships between brightness and dimension and surface characteristic and view angle and distance are analyzed; and the relationships between detection ability of optical sensor and parameters of optics and exposal time are demonstrated based on energy conservation law. In the end the correctness of the model and formula are proved by test, so it can provide reference to optical system design used in space un-illuminant targets detection.
Number of references:9
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 100>
Accession number:2005149025733
Title:Experimental study of ultrashort pulse Yb<sup>3+</sup>-doped fiber laser
Authors:Yang, Ling-Zhen (1); Chen, Guo-Fu (1); Wang, Yi-Shan (1); Zhao, Wei (1); Ding, Guang-Lei (1); Xiong, Hong-Jun (1)
Author affiliation:(1) Lab. of Transient Optics Technol., Inst. of Optics and Precision Mech., Chinese Acad. of Sci., Xi'an 710068, China
Corresponding author:Yang, L.-Z.(yanglzh@opt.ac.cn)
Source title:Zhongguo Jiguang/Chinese Journal of Lasers
Abbreviated source title:Zhongguo Jiguang
Volume:32
Issue:2
Issue date:February 2005
Publication year:2005
Pages:153-155
Language:Chinese
ISSN:02587025
CODEN:ZHJIDO
Document type:Journal article (JA)
Publisher:Science Press
Abstract:The experimental study of the Yb<sup>3+</sup>-doped fiber ring laser of ultrashort pulse is reported, which is pumped by 976 nm semiconductor laser. In the normal dispersion, using the additive pulse mode-locking based on nonlinear polarization evolution, the Yb<sup>3+</sup>-doped fiber laser can oscillate in the mode-locked state by adjusting the position of the polarization controller (PC) and reducing the loss in the cavity. The output characteristics of the fiber laser are shown by oscillograph in the time domain. If pump power is not changed, along with the change of the polarization of the pulse, the changes of output pulse maintain stable and unstable states. In the unstable region, the pulse becomes irregular. When PC is in a proper position, the laser operates a stable and mode-locked state by adjusting the PC1 and PC2 carefully. The maximum output power of the laser is 9.46 mW, at the repetition rate of 15.4 MHz corresponding to ∼10 nm spectrum width.
Number of references:8
Main heading:Fiber lasers
Controlled terms:Energy conversion - Laser pulses - Light polarization - Pumping (laser) - Semiconductor lasers - Ultrashort pulses - Wavelength division multiplexing
Uncontrolled terms:Laser technique - Ring cavity - Yb<sup>3+</sup>-doped fiber
Classification code:525.2 Energy Conservation - 744.1 Lasers, General - 744.4 Solid State Lasers
Treatment:Applications (APP); Experimental (EXP)
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 101>
Accession number:2005319275706
Title:Displacement and temperature simultaneous measurement with single fiber bragg grating
Authors:Wei, Ting (1)
Author affiliation:(1) Xian Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xian 710068, China; (2) Optical Fiber Sensing Laboratory, Xian Shiyou University, Xian 710065, China
Corresponding author:Wei, T.(yolandemm@sohu.com)
Source title:Chinese Journal of Sensors and Actuators
Abbreviated source title:Chin. J. Sens. Actuators
Volume:18
Issue:2
Issue date:June 2005
Publication year:2005
Pages:358-362
Language:Chinese
ISSN:10041699
Document type:Journal article (JA)
Publisher:Guojia Jiaowei Quanguo Gaoxiao Chuangan Jishu Yanjiuhui
Abstract:A novel displacement and temperature simultaneous measurement fiber Bragg grating sensor with a single FBG is presented and studied both theoretically and experimentally based on cantilever structure. FBG is affixed on the profile of the cantilever. Vertical displacement of the cantilever free end is measured by bandwidth of FBG due to the bandwidth action is insensitive to the temperature. The temperature is measured by wavelength shift of FBG due to the wavelength shift is insensitive to the strain. Due to the spectral resolution of 0.1 nm for spectral analyzer, the sensitivity of displacement measurement and temperature measurement are 0.513 nm/mm and 0.029 nm/°C, the resolving power are 0.193 mm and 3.4°C, and the measurement range of displacement and temperature is up to 6.15 mm and 45°C respectively. The experimental results match the theoretical analysis well.
Number of references:14
Main heading:Temperature measurement
Controlled terms:Bandwidth - Fiber Bragg gratings - Optical resolving power - Sensors - Spectrum analyzers
Uncontrolled terms:Cantilevers - Chirped effects - Displacement and temperature simultaneous measurement - Displacement sensing
Classification code:716.1 Information Theory and Signal Processing - 732.2 Control Instrumentation - 741.1 Light/Optics - 944.6 Temperature Measurements
Treatment:Theoretical (THR); Experimental (EXP)
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 102>
Accession number:2006099733885
Title:Coherent laser control in attosecond sum-frequency polarization beats using twin noisy driving fields
Authors:Zhang, Yanpeng (1); Gan, Chenli (2); Song, Jianping (1); Yu, Xiaojun (1); Ma, Ruiqiong (1); Ge, Hao (1); Li, Chuangshe (1); Lu, Keqing (3)
Author affiliation:(1) Department of Electronic Science and Technology, Xi'an Jiaotong University, Xi'an 710049, China; (2) Department of Physics, University of North Texas, P.O. Box 311427, Denton, TX 76203-1427, 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.(ypzhang@mail.xjtu.edu.cn)
Source title:Physical Review A - Atomic, Molecular, and Optical Physics
Abbreviated source title:Phys Rev A
Volume:71
Issue:2
Issue date:Febrary 1, 2005
Publication year:2005
Article number:023802
Language:English
ISSN:10502947
E-ISSN:10941622
CODEN:PLRAAN
Document type:Journal article (JA)
Publisher:American Physical Society
Abstract:Based on the phase-conjugate polarization interference between two-pathway excitations, we obtained an analytic closed form for the second-order or fourth-order Markovian stochastic correlation of the V three-level sum-frequency polarization beat (SFPB) in attosecond scale. Novel interferometric oscillatory behavior is exposed in terms of radiation-radiation, radiation-matter, and matter-matter polarization beats. The phase-coherent control of the light beams in the SFPB is subtle. When the laser has broadband linewidth, the homodyne detected SFPB signal shows resonant-nonresonant cross correlation, a drastic difference for three Markovian stochastic fields, and the autocorrelation of the SFPB exhibits hybrid radiation-matter detuning terahertz damping oscillation. As an attosecond ultrafast modulation process, it can be extended intrinsically to any sum frequency of energy levels. It has been also found that the asymmetric behaviors of the polarization beat signals due to the unbalanced controllable dispersion effects between the two arms of interferometer do not affect the overall accuracy in case using the SFPB to measure the Doppler-free energy-level sum of two excited states. © 2005 The American Physical Society.
Number of references:45
Main heading:Laser beams
Controlled terms:Coherent light - Damping - Electric excitation - Light polarization - Markov processes - Oscillations
Uncontrolled terms:Beat signals - Damping oscillation - Dispersion effects - Markovian stochastic fields
Classification code:701.1 Electricity: Basic Concepts and Phenomena - 741.1 Light/Optics - 744.8 Laser Beam Interactions - 922.1 Probability Theory - 931.1 Mechanics
Treatment:Theoretical (THR)
DOI:10.1103/PhysRevA.71.023802
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 103>
Accession number:2005129008295
Title:Multi-stopband characteristic of quasi-fractal photonic crystal and its application
Authors:Li, Yan (0); Zheng, Ruisheng (0); Feng, Yuchun (0); Niu, Hanben (0)
Corr. author affiliation:Inst. of Optics and Precision Mech., CAS, Xi'an 710068, China
Source title:Guangzi Xuebao/Acta Photonica Sinica
Abbreviated source title:Guangzi Xuebao
Volume:34
Issue:2
Issue date:February 2005
Publication year:2005
Pages:310-314
Language:Chinese
ISSN:10044213
CODEN:GUXUED
Document type:Journal article (JA)
Publisher:Chinese Optical Society, Xi'an, China
Abstract:The photonic band of kinds of quasi-fractal photonic crystal is calculated by finite-difference time-domain method. The results show that there are multi-stopband characteristics with the quasi-fractal photonic crystal. As we treat these photonic band gaps as one photonic band gap with several conduction bands in it, the width and center frequency of the photonic band gap, and also the center frequency of the conduction bands in the photonic band gap vary with changing the structure of the unit cell of the quasi-fractal photonic crystal.
Number of references:21
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 104>
Accession number:2005449444942
Title:Rayleigh-enhanced attosecond sum-frequency polarization beats via twin color-locking noisy lights
Authors:Zhang, Yanpeng (1); Gan, Chenli (2); Li, Long (1); Ma, Ruiqiong (1); Song, Jianping (1); Jiang, Tong (1); Yu, Xiaojun (1); Li, Chuangshe (1); Ge, Hao (1); Lu, Keqing (3)
Author affiliation:(1) Department of Electronic Science and Technology, Xi'an Jiaotong University, Xi'an 710049, China; (2) Department of Physics, University of North Texas, P. O. Box 311427, Denton, TX 76203-1427, United States; (3) State Key Laboratory of Transient Optics and Technology, Xi'an Institute of Optics and Precision Mechanicsa, Chinese Academy of Sciences, Xi'an 710068, China
Corresponding author:Zhang, Y.(ypzhang@mail.xjtu.edu.cn)
Source title:Physical Review A - Atomic, Molecular, and Optical Physics
Abbreviated source title:Phys Rev A
Volume:72
Issue:1
Issue date:July 2005
Publication year:2005
Article number:013812
Language:English
ISSN:10502947
E-ISSN:10941622
CODEN:PLRAAN
Document type:Journal article (JA)
Publisher:American Physical Society
Abstract:Based on color-locking noisy field correlation, a time-delayed method is proposed to suppress the thermal effect, and the ultrafast longitudinal relaxation time can be measured even in an absorbing medium. One interesting feature in field-correlation effects is that Rayleigh-enhanced four-wave mixing (RFWM) with color-locking noisy light exhibits spectral symmetry and temporal asymmetry with no coherence spike at 'cf\'84=0. Due to the interference between the Rayleigh-resonant signal and the nonresonant background, RFWM exhibits hybrid radiation-matter detuning with terahertz damping oscillations. The subtle Markovian high-order correlation effects have been investigated in the homodyne- or heterodyne-detected Rayleigh-enhanced attosecond sum-frequency polarization beats (RASPBs). Analytic closed forms of fourth-order Markovian stochastic correlations are characterized for homodyne (quadratic) and heterodyne (linear) detection, respectively. Based on the polarization interference between two four-wave mixing processes, the phase-sensitive detection of RASPBs has also been used to obtain the real and imaginary parts of the Rayleigh resonance. © 2005 The American Physical Society.
Number of references:27
Main heading:Rayleigh scattering
Controlled terms:Four wave mixing - Light polarization - Markov processes - Resonance
Uncontrolled terms:Field-correlation effects - Longitudinal relaxation
Classification code:711 Electromagnetic Waves - 711.1 Electromagnetic Waves in Different Media - 741.1 Light/Optics - 922.1 Probability Theory
Treatment:Theoretical (THR)
DOI:10.1103/PhysRevA.72.013812
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 105>
Accession number:2005169052730
Title:OTF measurement with pinhole image analysis
Authors:Ma, Wei-Hong (0); Ma, Zhen (0); Fan, Xue-Wu (0); Li, Ying-Cai (0)
Corr. author affiliation:Space Optics Lab., Inst. of Optics and Precision Mech., Chinese Acad. of Sci., Xi'an 110068, China
Source title:Guangdian Gongcheng/Opto-Electronic Engineering
Abbreviated source title:Guangdian Gongcheng
Volume:32
Issue:3
Issue date:March 2005
Publication year:2005
Pages:36-39
Language:Chinese
ISSN:1003501X
CODEN:GUGOEC
Document type:Journal article (JA)
Publisher:Chinese Academy of Sciences, Chengdu, Sichuan, China
Abstract:Using the auto-scan characteristic of charge couple device (CCD), an Optical transform function (OTF) measurement instrument based on pinhole image analysis method is developed. This instrument uses CCD as an image receiver, can achieve two-dimensional OTF data of lens under test. According to frequency spectrum transform theory, considering the correspondence of object spectrum modification and spatial frequency calibration and the effects of parameters of the test system including pinhole diameter, collimator objective focus, pixel size and space of CCD, as well as the magnification of microscope on corresponding frequency calibration and test precision are studied systematically in the paper. The noise effect is reduced by use of fat zero setting and multi-frame average method. The influence of each test unit on test precision is corrected based on the modification of their own transfer functions. The comparison experiments for 50 mm standard lens show that, with the system setup and data processing method presented, ±3% modulation transform function test precision can be achieved.
Number of references:6
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 106>
Accession number:2005179069875
Title:Evolution of bright-dark vector spatial solitons in biased photorefractive-photovoltaic crystals
Authors:Lu, Ke-Qing (1); Li, Jin-Ping (1); Zhao, Wei (1); Yang, Yan-Long (1); Liu, Hong-Jun (1); Chen, Guo-Fu (1)
Author affiliation:(1) Lab. of Transient Optics Technol., Inst. of Optics and Precision Mech., Chinese Acad. of Sci., Xi'an 710068, China
Corresponding author:Lu, K.-Q.(kq.lu@263.net)
Source title:Zhongguo Jiguang/Chinese Journal of Lasers
Abbreviated source title:Zhongguo Jiguang
Volume:32
Issue:3
Issue date:March 2005
Publication year:2005
Pages:323-326
Language:Chinese
ISSN:02587025
CODEN:ZHJIDO
Document type:Journal article (JA)
Publisher:Science Press
Abstract:The bright-dark vector spatial solitons are predicted in biased photorefractive-photovoltaic crystals, which result from both the bulk photovoltaic effect and the spatially nonuniform screening of the external bias field. When the bulk photorefractive effect can be neglected, the physical system of these bright-dark vector solitons changes into that of bright-dark vector screening solitons, and these bright-dark vector solitons change into bright-dark vector screening solitons. When the external field is absent, the physical system of these bright-dark vector solitons predicts that of bright-dark vector photovoltaic solitons, and these bright-dark vector solitons predict bright-dark vector photovoltaic solitons. The stability of these bright-dark vector solitons is discussed using a beam propagation method. When σ > 0 and (β + α - δ) > 0, where σ is the parameter controlling the intensities of the two optical beams, α and δ are the parameters related to the photovoltaic constant, and β is the parameter related to external electric field, these bright-dark vector solitons are stable in the regime of (β + α - δ) being less than a certain value. When σ < 0 and (β + α - δ) < 0, these bright-dark vector solitons are also stable in the regime of (β + α - δ) being greater than a certain value.
Number of references:11
Main heading:Nonlinear optics
Controlled terms:Light propagation - Optical bistability - Photorefractive materials - Photovoltaic effects - Solitons
Uncontrolled terms:Biased photorefractive-photovoltaic crystals - Bright-dark vector spatial solitons - Optical solitons - Photovoltaic solitons - Screening solitons - Spatially nonuniform screening
Classification code:741.1.1 Nonlinear Optics - 741.3 Optical Devices and Systems
Treatment:Applications (APP); Theoretical (THR)
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 107>
Accession number:2005229137558
Title:Design and research of multilevel complex vibration reduction system
Authors:Chen, Dingyue (0); Chen, Wei (0); Zhou, Renkui (0); Li, Yingcai (0)
Corr. author affiliation:Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China
Source title:Guangzi Xuebao/Acta Photonica Sinica
Abbreviated source title:Guangzi Xuebao
Volume:34
Issue:4
Issue date:April 2005
Publication year:2005
Pages:601-605
Language:Chinese
ISSN:10044213
CODEN:GUXUED
Document type:Journal article (JA)
Publisher:Chinese Optical Society, Xi'an, China
Abstract:The dynamics characteristic of multilevel complex vibration reduction system was researched. The paper was based on the coordinate transformation of space general motion for rigid bodies and Lagrange equation of multilevel vibration reduction system. With multi-degrees of freedom of relative motion between mass blocks (including terrace) was carried out. The influence relationships between active force of the actuator and parameters of the vibroshock were analyzed. The results were as follows: When the actuator was installed between the vibration reduction object and the rigid bodies, multilevel complex vibration reduction system had good vibration reduction of intermediate frequency and high frequency domain or low frequency domain. The active control force of vibration reduction was not big, and it was very convenient to use in any advanced vibration reduction control.
Number of references:6
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 108>
Accession number:2005259172232
Title:System parameter setting in video OTF test
Authors:Ma, Weihong (0); Ma, Zhen (0); He, Li (0); Li, Yingcai (0)
Corr. author affiliation:Space optics Laboratory, Xi'an Institute of Optics and Precision Mechanics, CAS, Xi'an 710068, China
Source title:Guangzi Xuebao/Acta Photonica Sinica
Abbreviated source title:Guangzi Xuebao
Volume:34
Issue:5
Issue date:May 2005
Publication year:2005
Pages:765-768
Language:Chinese
ISSN:10044213
CODEN:GUXUED
Document type:Journal article (JA)
Publisher:Chinese Optical Society, Xi'an, China
Abstract:OTF of under test lens was tested with pinhole image processing and analyzing, the influences of sampling frequency on test precision were analyzed, and a calibration method of frequency conversion scale and sampling frequency on image plane was presented. The test results on 50 mm focus standard lens showed that the accurately calibration and import of system setting parameter effect on test precision directly, calibration method in this paper are accurate and reliable, and can acquire parameter of effecting on spatial frequency calibration and OTF of lens under test accurately, without knowing subsystem parameter.
Number of references:6
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 109>
Accession number:20142017715229
Title:Dynamic characteristics of holographic recording and fixing in doubly-doped LiNbO<inf>3</inf> crystals
Authors:Ren, Liyong (1); Yao, Baoli (1); MenKe, Neimule (1); Wang, Lili (1); Kong, Yongfa (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 710068, China; (2) Department of Physics, Nankai University, Tianjin 300071, China
Source title:Optics InfoBase Conference Papers
Abbreviated source title:Opt.InfoBase Conf. Papers
Monograph title:Photorefractive Effects, Materials, and Devices, PEMD 2005
Issue date:2005
Publication year:2005
Pages:398-404
Language:English
E-ISSN:21622701
ISBN-10:1557527938
ISBN-13:9781557527936
Document type:Conference article (CA)
Conference name:Photorefractive Effects, Materials, and Devices, PEMD 2005
Conference date:July 19, 2005 - July 19, 2005
Conference location:Sanya, China
Conference code:104870
Publisher:Optical Society of America
Abstract:Fast energy exchange between two recording beams is observed and analyzed in three kinds of doubly-doped LiNbO<inf>3</inf> crystals during holographic recording. Self-enhancement and oscillatory characteristics of diffraction during the recording step are reported. The self-enhancement in both steps of recording and fixing can obviously enhance the recorded and fixed holograms. There exists an optimal switching time from the recording step to the fixing step which can lead to highly persistent diffraction of the nonvolatile holograms. © 2005 OSA/PEMD 2005.
Number of references:10
Main heading:Light refraction
Controlled terms:Diffraction - Holograms - Photoreactivity - Photorefractive materials
Uncontrolled terms:Dynamic characteristics - Energy exchanges - Holographic recordings - Nonvolatile holograms - Optimal switching time - Recording beams - Self enhancements
Classification code:741.1 Light/Optics - 741.3 Optical Devices and Systems - 743 Holography
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 110>
Accession number:20142017715209
Title:Fabrication of gratings using photosensitive gel films by sol-gel process
Authors:Zhao, Gaoyang (1); Li, Ying (1); Zhang, Weihua (1); Zhao, Wei (2)
Author affiliation:(1) School of Materials Science and Engineering, Xi'an University of Technology, Xi'an, Shaanxi 710048, China; (2) Xi'an Institute of Optics and Precision Mechanics of CAC, Xi'an, Shaanxi, 710068, China
Source title:Optics InfoBase Conference Papers
Abbreviated source title:Opt.InfoBase Conf. Papers
Monograph title:Photorefractive Effects, Materials, and Devices, PEMD 2005
Issue date:2005
Publication year:2005
Pages:281-287
Language:English
E-ISSN:21622701
ISBN-10:1557527938
ISBN-13:9781557527936
Document type:Conference article (CA)
Conference name:Photorefractive Effects, Materials, and Devices, PEMD 2005
Conference date:July 19, 2005 - July 19, 2005
Conference location:Sanya, China
Conference code:104870
Publisher:Optical Society of America
Abstract:In this study we synthesized the metal chelate complexes of Si, Al and Zr by the chemical modification. The photosensitive gel films on silicon and quartz substrates with chelate complexes as precursor were fabricated using sol-gel method. The hologram gratings of 2000 lines/mm were obtained by the use of a two-beam interference laser on the photosensitive gel films, which were exposed to the interference fringe of 325 nm He-Cd laser beams. After laser irradiation, the gel films were leached in alcohol, and heat-treated at 500 °C, the organism was volatilized and the grating became into inorganic films that combined with the substrates firmly. This paper also studied the characteristics of UV spectrum and IR spectrum of the photosensitive gel films, and their variations in the process of laser irradiation and heat treatment in high temperature. Through the way above, the photosensitization mechanism and the characteristic of chemical structure of the thin films were investigated; also the diffraction efficiency was studied. © 2005 OSA/PEMD 2005.
Number of references:7
Main heading:Metallic films
Controlled terms:Chelation - Light refraction - Light sensitive materials - Photoreactivity - Photorefractive materials - Photosensitivity - Quartz - Sol-gel process - Ultraviolet spectroscopy - Zirconium
Uncontrolled terms:Chelate complex - High temperature - Hologram gratings - Inorganic films - Interference fringe - Metal-chelate complex - Quartz substrate - Two-beam interference
Classification code:482.2 Minerals - 531 Metallurgy and Metallography - 539 Metals Corrosion and Protection; Metal Plating - 549.3 Nonferrous Metals and Alloys excluding Alkali and Alkaline Earth Metals - 741.1 Light/Optics - 741.3 Optical Devices and Systems - 801 Chemistry - 802.2 Chemical Reactions - 813.1 Coating Techniques
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 111>
Accession number:2005219121407
Title:Multiple micro-explosions driven by a single focused femtosecond pulse in transparent material
Authors:Ma, Lin (1); Shi, Shunxiang (1); Cheng, Guanghua (2); Chen, Guofu (2)
Author affiliation:(1) Lab501, School of Technical Physics, Xidian University, Xi'an 710071, 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
Corresponding author:Ma, L.(ml-mary@sohu.com)
Source title:Proceedings of SPIE - The International Society for Optical Engineering
Abbreviated source title:Proc SPIE Int Soc Opt Eng
Volume:5646
Monograph title:Nonlinear Optical Phenomena and Applications
Issue date:2005
Publication year:2005
Pages:489-493
Article number:93
Language:English
ISSN:0277786X
CODEN:PSISDG
Document type:Conference article (CA)
Conference name:Nonlinear Optical Phenomena and Applications
Conference date:November 8, 2004 - November 11, 2004
Conference location:Beijing, China
Conference code:64708
Sponsor:SPIE; Chinese Optical Society, COS
Publisher:SPIE
Abstract:Darkening and micro-explosions inside ZBaF15 optical glass are investigated by using focused femtosecond laser pulse. With loose focusing, multiple micro-explosions occur in fused silica and ZBaF15 optical glass with single femtosecond pulse. The micro-explosions driven in the center of darkening region are observed in ZBaF15 optical glass. A numerical simulation is given by a model based on the beam propagation in wave-guide channeling induced by the front of excitation pulse. The mechanism of refractive index modification, which induced by femtosecond pulse, is discussed.
Number of references:15
Main heading:Laser pulses
Controlled terms:Computer simulation - Data storage equipment - Energy absorption - Fused silica - Optical glass - Refractive index - Transparency - Waveguide components
Uncontrolled terms:Darkening - Femtosecond laser - Multiple micro-explosions - Transparent materials
Classification code:812.3 Glass - 744.1 Lasers, General - 741.3 Optical Devices and Systems - 931.3 Atomic and Molecular Physics - 741.1 Light/Optics - 722.1 Data Storage, Equipment and Techniques - 714.3 Waveguides - 723.5 Computer Applications
Treatment:Theoretical (THR); Experimental (EXP)
DOI:10.1117/12.576959
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 112>
Accession number:2005479497598
Title:Application of spectral unmixing technology for lunar regolith
Authors:Xue, Bin (0); Yang, Jianfeng (0); Zhao, Baochang (0)
Corr. author affiliation:Space Optics Laboratory, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China
Source title:Guangzi Xuebao/Acta Photonica Sinica
Abbreviated source title:Guangzi Xuebao
Volume:34
Issue:10
Issue date:October 2005
Publication year:2005
Pages:1510-1513
Language:English
ISSN:10044213
CODEN:GUXUED
Document type:Journal article (JA)
Publisher:Chinese Optical Society, Xi'an, China
Abstract:Spectral unmixing technology has been developed to solve mixing pixel problem, the linear mixing model is more successful to this day. But when applied to the lunar regolith, it would have two limitations: the nonlinerity of intimate mixture and the error caused by the lack of endmember spectra. As to the former, simpled multiple scattering model based on Hapke's theory is, developed to improve the linearity of intimate mixture and reduce computational complexity; as to the latter, Modified Linear Mixing Model (MLMM) is advanced to compensate for the error in endmember spectra. The methods are test by the simulated lunar soils' spectra data gained from the Relab, the experimental result display their good performances.
Number of references:13
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 113>
Accession number:2006119762147
Title:Highly efficient double-clad Er: Yt co-doped fiber amplifiers with a reflector
Authors:Xia, Guijin (1); Zhang, Jumei (1); Deng, Dapeng (1)
Author affiliation:(1) Xi'an Communication Institute, Xi'an, Shannxi, 710106, China; (2) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an, Shannxi, 710068, China
Corresponding author:Xia, G.
Source title:Proceedings of SPIE - The International Society for Optical Engineering
Abbreviated source title:Proc SPIE Int Soc Opt Eng
Volume:6019 II
Monograph title:Passive Components and Fiber-based Devices II
Issue date:2005
Publication year:2005
Article number:601946
Language:English
ISSN:0277786X
CODEN:PSISDG
Document type:Conference article (CA)
Conference name:Passive Components and Fiber-based Devices II
Conference date:November 7, 2005 - November 10, 2005
Conference location:Shanghai, China
Conference code:66827
Sponsor:SPIE - The International Society for Optical Engineering; Chinese Optical Society, China; China Institute of Communications, China
Publisher:SPIE
Abstract:In this paper, we present a comprehensive mathematical model for the novel double cladding fiber, Based on the rate and propagation equations, the output signal power and noise characteristics of double-cladding erbium-ytterbium co-doped fiber amplifiers with a reflector are analyzed numerically. Due to the contributions of the reflector to reflect the un-absorbed pump power, pump light transmitted in the active fiber is increased and the output performances are improved, It is shown that the amplifiers with the reflector have about the same high-power output signal as those without it, only using half-lengths of fiber; The pumping scheme and numerical results could be useful for the real optimized design of DCF amplifier in the near future.
Number of references:8
Main heading:Light amplifiers
Controlled terms:Light propagation - Mathematical models - Mirrors - Numerical methods - Optical fibers - Optical pumping
Uncontrolled terms:Cladding pump - Double-cladding fibers - Erbium-Ytterbium co-doped - Optical fiber amplifiers
Classification code:714.2 Semiconductor Devices and Integrated Circuits - 741.1.2 Fiber Optics - 741.3 Optical Devices and Systems - 921.6 Numerical Methods
Treatment:Theoretical (THR)
DOI:10.1117/12.633461
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 114>
Accession number:2005129004382
Title:One-dimensional modulation instability of broad optical beams in biased photorefractive-photovoltaic crystals under steady-state conditions
Authors:Lu, Keqing (1); Zhao, Wei (1); Yang, Yanlong (1); Li, Jinping (1); Zhang, Yanpeng (2); Xu, Jingjun (3)
Author affiliation:(1) State Key Lab. Transient Opt. T., Xi'An Inst. Opt. and Prec. Mechanics, Chinese Academic of Sciences, Xi'an 710068, China; (2) Dept. of Electron. Sci. and Technol., Xi'An Jiaotong University, Xi'an 710049, China; (3) Department of Physics, Nankai University, Tianjin 300071, China
Corresponding author:Lu, K.(kq.lu@263.net)
Source title:Optics Communications
Abbreviated source title:Opt Commun
Volume:247
Issue:4-6
Issue date:March 15, 2005
Publication year:2005
Pages:437-445
Language:English
ISSN:00304018
CODEN:OPCOB8
Document type:Journal article (JA)
Publisher:Elsevier
Abstract:We present a comprehensive study of the one-dimensional modulation instability of broad optical beams in biased photorefractive-photovoltaic crystals under steady-state conditions. We obtain the one-dimensional modulation instability growth rate by globally treating the space-charge field and by considering distinction between values of E<inf>0</inf> in nonlocal effects and local effects in the space-charge field, where E<inf>0</inf> is the field constant correlated with terms in the space-charge field, which depends on the external bias field, the bulk photovoltaic effect, and the ratio of the optical beam's intensity to that of the dark irradiance. The one-dimensional modulation instability growth rate in local effects can be determined from that in nonlocal effects. When the bulk photovoltaic effect is neglectable, irrespective of distinction between values of E<inf>0</inf> in nonlocal effects and local effects in the space-charge field, the one-dimensional modulation instability growth rates in nonlocal effects and local effects are those of broad optical beams studied previously in biased photorefractive-nonphotovoltaic crystals. When the external bias field is absent, the one-dimensional modulation instability growth rates in nonlocal effects and local effects predict those of broad optical beams in open- and closed-circuit photorefractive-photovoltaic crystals. © 2004 Elsevier B.V. All rights reserved.
Number of references:32
Main heading:Photorefractive materials
Controlled terms:Correlation methods - Crystals - Electric fields - Electric space charge - Light - Light modulation - Photovoltaic effects - Solitons
Uncontrolled terms:Modulation instability - One-dimensional modulation - Optical beams - Photovoltaic crystals
Classification code:701.1 Electricity: Basic Concepts and Phenomena - 741.1 Light/Optics - 741.3 Optical Devices and Systems - 921.1 Algebra - 922.2 Mathematical Statistics - 933.1 Crystalline Solids
Treatment:Theoretical (THR); Experimental (EXP)
DOI:10.1016/j.optcom.2004.11.071
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 115>
Accession number:2005379354210
Title:Pulse-front matched ultra-broadband optical parametric chirped pulse amplifier for sub-12 fs pulse generation
Authors:Zhao, Wei (1); Liu, Hong-Jun (1); Wang, Yi-Shan (1); Wang, Hong-Ying (1); Cheng, Zhao (1); Chen, Guo-Fu (1)
Author affiliation:(1) State Key Laboratory of Transient Optics and Technology, Xi'an Institute of Optics and Precision Mechanics, Chinese Academic of Sciences, Xi'an 710068, China
Corresponding author:Zhao, W.(weiz@opt.ac.cn)
Source title:Chinese Physics
Abbreviated source title:Chin. Phys.
Volume:14
Issue:2
Issue date:February 2005
Publication year:2005
Pages:359-365
Language:English
ISSN:10091963
CODEN:CHPHF4
Document type:Journal article (JA)
Publisher:Institute of Physics Publishing
Abstract:We propose a LBO-based ultra-broadband chirped pulse optical parametric amplifier employing pulse-front-matching to yield transform-limited sub-12-fs pulses. Measurement of the maximum possible gain bandwidth for the LBO-based OPCPA demonstrates more than 60nm gain bandwidth FWHM. For the generation of TL pulses by the use of this OPCPA, a suitable combination of OPCPA and PFM is first presented. The PFM pump geometry realizes tilt-free signal amplification, and permits this OPCPA to generate TL sub-12-fs pulses. © 2005 Chin. Phys. Soc. and IOP Publishing Ltd.
Number of references:22
Main heading:Parametric amplifiers
Controlled terms:Amplification - Bandwidth - Geometrical optics - Signal processing
Uncontrolled terms:Chirped pulse amplification - Optical parametric amplification - Pulse front matching - Signal amplification
Classification code:713.1 Amplifiers - 716.1 Information Theory and Signal Processing - 741.1 Light/Optics
Treatment:Experimental (EXP)
DOI:10.1088/1009-1963/14/2/024
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 116>
Accession number:2005489516889
Title:Self-starting mode-locked femtosecond Ti : sapphire laser using saturable Bragg reflector(SBR)
Authors:Wang, Yi-Shan (0); Liu, Hong-Jun (0); Cheng, Zhao (0); Zhao, Wei (0); Wang, Yong-Gang (0); Ma, Xiao-Yu (0); Zhang, Zhi-Gang (0)
Corr. author affiliation:State Key Laboratory of Transient Optics and Technology, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China
Source title:Wuli Xuebao/Acta Physica Sinica
Abbreviated source title:Wuli Xuebao
Volume:54
Issue:11
Issue date:November 2005
Publication year:2005
Pages:5184-5188
Language:Chinese
ISSN:10003290
CODEN:WLHPAR
Document type:Journal article (JA)
Publisher:Science Press, Beijing, China
Abstract:Stable self-starting mode-locking states in a compact Ti: sapphire laser incorporating a home-made SBR with low loss double quantum-well and low temperature and surface state hybrid absorber are investigated experimentally. The three mode-locking states, i.e. the passive mode-locking with a saturable absorber, the soliton mode-locking and the Kerr-lens mode-locking have been successfully demonstrated. In this laser, chirped mirrors are used for dispersion compensation, and the 18 fs pulses are produced from the Kerr-lens mode-locking at 4.5 W pump power, and output power is 150 mW.
Number of references:17
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 117>
Accession number:2006069686945
Title:Digital inclination angle measurement system with temperature compensation
Authors:Hu, Xiaodong (0); Qiu, Renfeng (0); Gu, Lin (0); Liu, Jianchun (0)
Corr. author affiliation:Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China
Source title:Guangzi Xuebao/Acta Photonica Sinica
Abbreviated source title:Guangzi Xuebao
Volume:34
Issue:12
Issue date:December 2005
Publication year:2005
Pages:1925-1928
Language:Chinese
ISSN:10044213
CODEN:GUXUED
Document type:Journal article (JA)
Publisher:Chinese Optical Society, Xi'an, China
Abstract:A digital inclination angle measurement system with temperature compensation is proposed, and the structure of the system, the principle of temperature compensation and the software design of the system are clarified in details. The system that includes inclinometer, single-chip, A/D converter and temperature sensor has achieved inclination angle measurement of high precision in a wide temperature range and has eliminated the warp brought by temperature. The precision of this system is verified by experimentation. This system has the merits of high stability, high precision and good linearity. In some measurement systems of high precision, this system will be widely used.
Number of references:8
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 118>
Accession number:2005249157208
Title:The realtime parallel system based on dual DSPs for remote sensing image restoration using time-varying wavelet packets
Authors:Zhang, Jian (1); Ni, Guo-Qiang (1); Liu, Min-Qi (1); Cui, Xiao-Di (1); Liu, Xin-Ping (2)
Author affiliation:(1) Dept. of Optical Engineering, Beijing Institute of Technology, Beijing 100081, China; (2) Xi'an Institute of Optics and Precision Mechanics, CAS
Corresponding author:Zhang, J.(zj40932@bit.edu.cn)
Source title:Proceedings of SPIE - The International Society for Optical Engineering
Abbreviated source title:Proc SPIE Int Soc Opt Eng
Volume:5637
Monograph title:Electronic Imaging and Multimedia Technology IV
Issue date:2005
Publication year:2005
Pages:146-155
Article number:30
Language:English
ISSN:0277786X
CODEN:PSISDG
Document type:Conference article (CA)
Conference name:Electronic Imaging and Multimedia Technology IV
Conference date:November 8, 2004 - November 11, 2004
Conference location:Beijing, China
Conference code:64964
Sponsor:SPIE; COS - Chinese Optical Society
Publisher:SPIE
Abstract:Considering the fact that the remote sensing image is mainly captured by a linear CCD with the push-broom way which the image varies over time, the time-varying wavelet packets for image restoration is proposed in the paper. On one hand, the result of the method is that the problem of the correlation between the images is solved, and on the other hand, it is the method that can remarkably reduce the calculating overhead and the data throughput, which is a key innovation for a real-time system. In this paper, the optimized wavelet packet bases by double tree searching algorithm are adaptively changed in different time. To realize the algorithm, we presented a dual DSPs real-time parallel system. The parallel system based on TMS320C6416-7E3 DSP has the characteristics of modular and flexible design and maintainability. The ping-pong structure and the streamline structure are both designed in the system. According to the complexity of the algorithm and the requirement of the data throughput, one of the two parallel structures can be realized freely only by changing a bit. It can realize the restoration algorithm with 4096*4096 images in real-time by demonstrated by our experiment in practice.
Number of references:10
Main heading:Real time systems
Controlled terms:Algorithms - Charge coupled devices - Frequency domain analysis - Image reconstruction - Remote sensing - Satellites - Turbulence
Uncontrolled terms:C6416 - Parallel - Realtime inspection - Time-varying wavelet packets
Classification code:921.3 Mathematical Transformations - 731.1 Control Systems - 723 Computer Software, Data Handling and Applications - 722.4 Digital Computers and Systems - 714.2 Semiconductor Devices and Integrated Circuits - 655.2 Satellites - 443.1 Atmospheric Properties
Treatment:Theoretical (THR); Experimental (EXP)
DOI:10.1117/12.576853
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 119>
Accession number:2005249158500
Title:Photoinduced anisotropy in pyrrylfulgide and its application in optical image processing and polarization holography
Authors:Menke, Neimule (1); Yao, Baoli (1); Wang, Yingli (1); Zheng, Yuan (1); Lei, Ming (1); Ren, Zhiwei (1); Chen, Guofu (1); Chen, Yi (2); Fan, Meigong (2); Li, Tiankai (2)
Author affiliation:(1) State Key Laboratory of Transient Optics Technology, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China; (2) Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100101, China
Corresponding author:Menke, N.
Source title:Proceedings of SPIE - The International Society for Optical Engineering
Abbreviated source title:Proc SPIE Int Soc Opt Eng
Volume:5642
Monograph title:Information Optics and Photonics Technology
Issue date:2005
Publication year:2005
Pages:152-163
Article number:18
Language:English
ISSN:0277786X
CODEN:PSISDG
Document type:Conference article (CA)
Conference name:Information Optics and Photonics Technology
Conference date:November 8, 2004 - November 11, 2004
Conference location:Beijing, China
Conference code:64969
Sponsor:SPIE; COS - Chinese Optical Society
Publisher:SPIE
Abstract:Photoinduced anisotropic properties of pyrrylfulgide are studied. From measurement of the photoinduced spectrum of dichroism, the birefringence spectrum is evaluated by Kramers-Kronig relations. At optimal exposure of 13-20J/cm<sup>2</sup> a maximum photoinduced dichroism (D<inf>⊥</inf>- D<inf>//</inf>) of about 0.1 and a maximum photoinduced birefringence (n <inf>⊥</inf>-n<inf>//</inf>) of about 8×10<sup>-4</sup> are achieved. We exploit this photoinduced anisotropy and use a pyrrylfulgide/PMMA film to demonstrate optical image processing such as contrast reversal, image subtraction and summation, low-pass filtering and edge-enhancement. From the spectra of dichroism and birefringence the spectrum of the diffraction efficiency for polarization holography is calculated. We demonstrate that diffracted images with high signal-to-noise-ratio (SNR) can be obtained by holographic recording with orthogonal polarization.
Number of references:9
Main heading:Anisotropy
Controlled terms:Electromagnetic wave polarization - Holography - Image processing - Low pass filters - Photochromism - Photons - Signal to noise ratio
Uncontrolled terms:Fulgide - Optical image processing - Photoinduced anisotropy - Polarization holography
Classification code:931.2 Physical Properties of Gases, Liquids and Solids - 743 Holography - 741.1 Light/Optics - 931.3 Atomic and Molecular Physics - 723.2 Data Processing and Image Processing - 711 Electromagnetic Waves - 703.2 Electric Filters - 716.1 Information Theory and Signal Processing
Treatment:Theoretical (THR)
DOI:10.1117/12.576797
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 120>
Accession number:2005369340771
Title:The reflection and transmission group delay times in an asymmetric single quantum barrier
Authors:Chen, Xi (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 Technology, Xi'an Institute of Optics and Precision Mechanics, Academia Sinica, 322 West Youyi Road, Xi'an 710068, China
Corresponding author:Chen, X.(xchen@graduate.shu.edu.cn)
Source title:European Physical Journal B
Abbreviated source title:Eur. Phys. J. B
Volume:46
Issue:3
Issue date:August 2005
Publication year:2005
Pages:433-440
Language:English
ISSN:14346028
E-ISSN:14346036
Document type:Journal article (JA)
Publisher:Springer New York LLC
Abstract:The reflection and transmission group delay times are systematically investigated in an asymmetric single quantum barrier. It is reported that the reflection times in both evanescent and propagating cases can be either negative or positive, depending on the relative height of the potential energies on the two sides of the barrier. In the evanescent case where the energy of incident particles is less than the height of the barrier, the reflection and transmission times in the opaque limit are both independent of the barrier's thickness, showing superluminality. On the other hand, in the propagating case where the energy of incident particles is larger than the height of the barrier, the reflection and transmission times as the periodical function of the barrier's thickness can be greatly enhanced by the transmission resonance. It is also shown that the transmission time and the reflection times for the two propagation directions in the same asymmetric configuration satisfy the reciprocal relation, as consequence of time reversal invariance in quantum mechanics. These phenomena may lead to novel applications in electronic devices. © EDP Sciences, Societa` Italiana di Fisica, Springer-Verlag 2005.
Number of references:55
Main heading:Quantum theory
Controlled terms:Functions - Light propagation - Light reflection - Light transmission - Potential energy - Resonance
Uncontrolled terms:Group delay times - Quantum barrier - Reflection times - Superluminality
Classification code:741.1 Light/Optics - 921 Mathematics - 931.1 Mechanics - 931.4 Quantum Theory; Quantum Mechanics
Treatment:Literature review (LIT); Theoretical (THR)
DOI:10.1140/epjb/e2005-00264-6
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 121>
Accession number:2005259172229
Title:PID controller based on BP neural networks
Authors:Shan, Jinling (0); Ma, Caiwen (0); Li, Wengang (0); Tang, Zili (0)
Corr. author affiliation:Xi'an Institute of Optics and Precision Mechanics, CAS, Xi'an 710068, China
Source title:Guangzi Xuebao/Acta Photonica Sinica
Abbreviated source title:Guangzi Xuebao
Volume:34
Issue:5
Issue date:May 2005
Publication year:2005
Pages:754-757
Language:Chinese
ISSN:10044213
CODEN:GUXUED
Document type:Journal article (JA)
Publisher:Chinese Optical Society, Xi'an, China
Abstract:With the advantage of Neural Network and error control, presented the PID servocontroller model basing on BP Neural Network. The principle was applied to turntable for dynamic-simulation-scan-imaging experiment. The technique avoided the question that establishing the PID preference, minished the effect of dry friction at laigh velocity. The simulation results show that the model is satisfied at precision and stable results.
Number of references:8
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 122>
Accession number:2005519601079
Title:Control of filamentation induced by femtosecond laser pulses propagating in air
Authors:Jin, Z. (1); Zhang, J. (1); Xu, M.H. (1); Lu, X. (1); Li, Y.T. (1); Wang, Z.H. (1); Wei, Z.Y. (1); Yuan, X.H. (2); Yu, W. (3)
Author affiliation:(1) Laboratory of Optical Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China; (2) State Key Laboratory of Transient Optics Technology, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China; (3) Shanghai Institute of Optics and Fine Mechanics, P.O. Box 800-211, Shanghai 201800, China
Corresponding author:Jin, Z.
Source title:Optics Express
Abbreviated source title:Opt. Express
Volume:13
Issue:25
Issue date:December 12, 2005
Publication year:2005
Pages:10424-10430
Language:English
ISSN:10944087
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:Filamentation formed by self-focusing of intense laser pulses propagating in air is investigated. It is found that the position of filamentation can be controlled continuously by changing the laser power and divergence angle of the laser beam. An analytical model for the process is given. © 2005 Optical Society of America.
Number of references:16
Main heading:Incandescent lamps
Controlled terms:Laser beams - Laser pulses - Optical properties
Uncontrolled terms:Divergence angle - Filamentation - Self-focusing
Classification code:707.2 Electric Lamps - 741.1 Light/Optics - 744.1 Lasers, General - 744.8 Laser Beam Interactions
Treatment:Theoretical (THR)
DOI:10.1364/OPEX.13.010424
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 123>
Accession number:2005509546390
Title:Compensating nonlinearity of optical path difference of rotary fourier transform spectrometer with fitting interferogram
Authors:Yang, Xiaoxu (0); Zhou, Sizhong (0); Xiang, LiBin (0)
Corr. author affiliation:Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China
Source title:Guangzi Xuebao/Acta Photonica Sinica
Abbreviated source title:Guangzi Xuebao
Volume:34
Issue:11
Issue date:November 2005
Publication year:2005
Pages:1647-1650
Language:Chinese
ISSN:10044213
CODEN:GUXUED
Document type:Journal article (JA)
Publisher:Chinese Optical Society, Xi'an, China
Abstract:Because of rotating reflector or refractor, there is nonlinearity of Optical Path Difference (OPD) in high-speed rotary FT-Spectrometer. Nonlinearity which was studied to direct engineering in this paper is a very important aspect to be considered in designing system. In nonlinear OPD system, interferogram is sampled linearly, which brings interferogram phase and period error. The case corresponds to the interferogram without those errors sampled nonlinearly. Interferogram without phase and period errors can be reconstructed with those interferogram data sampled in unequal intervals through fitting polynomial. Then the reconstructed interferogram is sampled in equal intervals. Those data are used to reconstruct spectrum without noise caused by OPD nonlinearity. Computer simulation shows this method is effective, and fits interferogram with quartic polynomial well. The method is also effective in other nonlinear OPD systems.
Number of references:8
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 124>
Accession number:2006069686917
Title:Temperature compensation design of an optical fiber liquid level sensor with Fabry-Perot cavity
Authors:Huang, Weirong (0); Gao, Yingjun (0); Liu, Zhilin (0); Zhang, Fanjun (0); Ruan, Chi (0)
Corr. author affiliation:State Key Laboratory of Transient Optics Technology, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China
Source title:Guangzi Xuebao/Acta Photonica Sinica
Abbreviated source title:Guangzi Xuebao
Volume:34
Issue:12
Issue date:December 2005
Publication year:2005
Pages:1810-1813
Language:Chinese
ISSN:10044213
CODEN:GUXUED
Document type:Journal article (JA)
Publisher:Chinese Optical Society, Xi'an, China
Abstract:The impact of temperature to a fiber Fabry-Perot cavity depth is analyzed. A novel design of optical fiber liquid level sensor for compensating the temperature is introduced. The developed structure ensures that the cavity length keeps constant when the temperature changes. The sensor can be applied in the inflammable and explosive circumstance, for accurate automatic measurement.
Number of references:7
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 125>
Accession number:2005439439409
Title:Analysis and near-lossless compression based on CPLD of interference hyperspectral image
Authors:Wu, Xiaohua (0); Li, Zitian (0); Zhang, Fan (0)
Corr. author affiliation:Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China
Source title:Guangzi Xuebao/Acta Photonica Sinica
Abbreviated source title:Guangzi Xuebao
Volume:34
Issue:9
Issue date:September 2005
Publication year:2005
Pages:1346-1350
Language:Chinese
ISSN:10044213
CODEN:GUXUED
Document type:Journal article (JA)
Publisher:Chinese Optical Society, Xi'an, China
Abstract:After introducing the interferometer scheme and calculating and analyzing correlation coefficients of interference hyperspectral images, a method of Near-lossless Compression based on part DPCM for interference hyperspectral image is proposed. Complex programmable logic device (CPLD) has been chosen as the hardware design platform, and the algorithm has been described with VHDL. The designed algorithm has been successfully fulfilled system simulation with Maxplus II software. The simulation result shows that the algorithm is simple and feasible and can be realized with hardware.
Number of references:6
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 126>
Accession number:20072310635052
Title:Determination of Young's modulus of micromechanical silicon films using an acoustic excitation and optical detection resonance method
Authors:Liu, Y.M. (1); Tian, W.J. (2); Zhang, S.J. (1)
Author affiliation:(1) Xi'an University of Technology, Xi'an, China; (2) Xi'an Institute of Optics and Precision Mechanics, CAS, Xi'an, China
Corresponding author:Liu, Y.M.
Source title:Key Engineering Materials
Abbreviated source title:Key Eng Mat
Volume:295-296
Issue date:2005
Publication year:2005
Pages:57-62
Language:English
ISSN:10139826
CODEN:KEMAEY
Document type:Conference article (CA)
Publisher:Trans Tech Publications Ltd, Laubisrutistr.24, Stafa-Zuerich, CH-8712, Switzerland
Abstract:The Young's modulus of micromechanical silicon films is very different from bulk silicon structures. It is very meaningful to test Young's modulus of micromechanical silicon films in related studies. Owing to its small and fragile characterstics, a suitable non-contact and nondestructive method is needed to test the Young's modulus of micromechanical silicon films with plate-like and beamlike structures. Utilizing acoustic excitation and optical detection method based on theoretical analysis, a new resonant method is presented to determinate Young's modulus of micromachined silicon films. By using this novel method, more accurate results have been achieved and the measuring error is 11%, better than the reported 14%.
Number of references:6
Main heading:Semiconducting films
Controlled terms:Elastic moduli - MEMS - Micromechanics - Microstructure - Resonance
Uncontrolled terms:Acoustic excitation - Fragile characterstics - Nondestructive method - Optical detection
Classification code:531.2 Metallography - 704.2 Electric Equipment - 712.1 Semiconducting Materials - 931.1 Mechanics - 951 Materials Science
Treatment:Theoretical (THR); Experimental (EXP)
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 127>
Accession number:2005129008286
Title:Study on the surface deformation of flat reflector under gravity load
Authors:Li, Fu (0); Ruan, Ping (0); Zhao, Baochang (0)
Corr. author affiliation:Inst. of Optics and Precision Mech., Chinese Acad. of Sci., Xi'an 710068, China
Source title:Guangzi Xuebao/Acta Photonica Sinica
Abbreviated source title:Guangzi Xuebao
Volume:34
Issue:2
Issue date:February 2005
Publication year:2005
Pages:272-275
Language:Chinese
ISSN:10044213
CODEN:GUXUED
Document type:Journal article (JA)
Publisher:Chinese Optical Society, Xi'an, China
Abstract:The static analysis for the flat reflector of interferometer in unassembled and assembled is studied by finite element method, horizontal and vertical placement under gravity load is analyzed. The calculated PV and RMS values are used to determine whether the distortion and the structure of fixation are reasonable or not. The datum processing is done by Zernike polynomial fittings, the aberration composition in this way is found, some corresponding approaches to improve image quality are carried out.
Number of references:7
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 128>
Accession number:2005509546396
Title:Jones matrix based synthesis for FIR optical filter using birefringent crystals
Authors:Liu, Jihong (0); Fang, Qiang (0); Yin, Yafang (0)
Corr. author affiliation:Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China
Source title:Guangzi Xuebao/Acta Photonica Sinica
Abbreviated source title:Guangzi Xuebao
Volume:34
Issue:11
Issue date:November 2005
Publication year:2005
Pages:1673-1676
Language:Chinese
ISSN:10044213
CODEN:GUXUED
Document type:Journal article (JA)
Publisher:Chinese Optical Society, Xi'an, China
Abstract:FIR optical filter using birefringent crystals consists of N cascaded crystal waveplates with the same thickness between an input and an output polarizer. The variables determined by synthesis procedure are the angles of the optic axes of the crystal waveplates and the angle of the output polarizer. A Jones matrix based step-down iteration synthesis procedure for filter of this kind is proposed. Jones matrix describing such filters is the product of Jones matrixs of waveplates and polarizers used in filter. A simple step-down iteration relation and the orthogonal frequency response correspond to frequency response of filter is determined by this condition. The experimental result agrees with that provided by the reference and shows that the synthesis procedure is simple.
Number of references:8
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 129>
Accession number:2005449454103
Title:Influence of bias of mirrors of the lateral shear interferometer on the interference pattern
Authors:Ma, Xiao-Long (0); Ruan, Ping (0); Li, Fu (0); Yang, Jian-Feng (0)
Corr. author affiliation:Xi'an Institute of Optics and Precision Mechanics, Chinese Science Academy, Xi'an 710068, China
Source title:Guangxue Jishu/Optical Technique
Abbreviated source title:Guangxue Jishu
Volume:31
Issue:SUPPL.
Issue date:September 2005
Publication year:2005
Pages:293-295+298
Language:Chinese
ISSN:10021582
CODEN:GJISEP
Document type:Journal article (JA)
Publisher:Optical Technique, Beijing, China
Abstract:By unfolded the Lateral Shear Interferometer, the relationship between the line pairs and the tilt of strip with the tilt of reflected mirrors was derived. The conclusion was proved by Zemax's Non-sequential ray tracing mode. This conclusion is so useful that quantificationally direct the assemblage of the interferometer. For the designer of optical machine, it will be helpful.
Number of references:4
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 130>
Accession number:2005249157263
Title:Estimating 3-D parameters of moving point target in multi-channel optical imaging system
Authors:Zhang, Wei (1); Qu, Youshan (1); Tian, Weijian (1)
Author affiliation:(1) 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
Corresponding author:Zhang, W.(zhw@opt.ac.cn)
Source title:Proceedings of SPIE - The International Society for Optical Engineering
Abbreviated source title:Proc SPIE Int Soc Opt Eng
Volume:5637
Monograph title:Electronic Imaging and Multimedia Technology IV
Issue date:2005
Publication year:2005
Pages:573-580
Article number:117
Language:English
ISSN:0277786X
CODEN:PSISDG
Document type:Conference article (CA)
Conference name:Electronic Imaging and Multimedia Technology IV
Conference date:November 8, 2004 - November 11, 2004
Conference location:Beijing, China
Conference code:64964
Sponsor:SPIE; COS - Chinese Optical Society
Publisher:SPIE
Abstract:It is very difficult to measure the distance of a moving point target which is not cooperative for detecting in the remote sensing field, because that the point target has no geometrical dimensions and textures can be used and is easy to be missed. In this paper, a new algorithm based on the image sequence and the nonlinear regressive filtering algorithm is proposed, in order to determine the 3-D parameters of the moving point target in an efficient passive way. And a new multi-channel optical imaging system is designed, which is composed of a high- resolution center imaging system and four low-resolution sub-imaging systems. By the geometrical relationship of the four sub-imaging system, the initial values of the nonlinear regressive filtering algorithm for estimating can be obtained easily. Finally, the experiments of the proposed algorithm have been done on a real system, and the results proved that the algorithm could passively obtain the 3-D parameters of the moving point target efficiently. Furthermore, in the estimating procedure, the character of the nonlinear regressive filtering algorithm saves lots of memory units and reduces the computing quantity.
Number of references:10
Main heading:Imaging systems
Controlled terms:Algorithms - Bionics - Kalman filtering - Optical telescopes - Regression analysis - Remote sensing
Uncontrolled terms:3-D parameter - Filter estimation - Moving point target - Multi-channel optical imaging system
Classification code:941.3 Optical Instruments - 922.2 Mathematical Statistics - 741.3 Optical Devices and Systems - 731.1 Control Systems - 723.2 Data Processing and Image Processing - 703.2 Electric Filters - 461.1 Biomedical Engineering
Treatment:Theoretical (THR)
DOI:10.1117/12.577331
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 131>
Accession number:2005329290689
Title:Rotary high sensitive interference spectral imager(ROSI)
Authors:Yuan, Yan (0); Xiangli, Bin (0)
Corr. author affiliation:Xi'an Institute of Optics and Precision Mechanics, CAS, Xi'an 710068, China
Source title:Guangzi Xuebao/Acta Photonica Sinica
Abbreviated source title:Guangzi Xuebao
Volume:34
Issue:6
Publication year:2005
Pages:935-938
Language:Chinese
ISSN:10044213
CODEN:GUXUED
Document type:Journal article (JA)
Publisher:Chinese Optical Society, Xi'an, China
Abstract:A novel kind of Fourier transform spectral imager with high detecting sensitivity and stability is presented. This spectral imager is based on the Sagnac lateral shifting interferometer with one rotary reflecting mirror (therefore named ROSI). Because there is no entrance slit, the throughput is very high and therefore the sensitivity. The datacube of two dimensions of spatial information and spectral information can be obtained by starring mode. Some principle defects of the current high throughput (etendue) spectral imagers are overcomed.
Number of references:10
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 132>
Accession number:2005169051823
Title:Study of gravity compensation of bent focusing mirror
Authors:Zhou, Sizhong (0); Yang, Xiaoxu (0); Shi, Huixia (0)
Corr. author affiliation:Xi'an Inst. of Optics, Chinese Acad. of Sci., Xi'an 710068, China
Source title:He Jishu/Nuclear Techniques
Abbreviated source title:He Jishu
Volume:28
Issue:3
Issue date:March 2005
Publication year:2005
Pages:180-182
Language:Chinese
ISSN:02533219
CODEN:NUTEDL
Document type:Journal article (JA)
Publisher:Science Press, Beijing, China
Abstract:The bent focusing mirror used in BSRF-3B3 intermediate-energy X ray beamline is introduced. The method of gravity compensation is presented based on the analysis of slope error caused by gravity. The mathematics model of the error is built. The best position and value of the equilibrant are calculated through optimizing. The slope error is reduced greatly after the equilibrant is imposed properly.
Number of references:5
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 133>
Accession number:2005329290682
Title:Study of the Growth of GaInP<sub>2</sub> Materials on Ge Substrate
Authors:Li, Xiaoting (0); Wang, Tao (0); Sai, Xiaofeng (0); Zhang, Zhiyong (0)
Corr. author affiliation:Xi'an Institute of Optics and Precision Mechanism, Chinese Academy of Sciences, Xi'an 710068, China
Source title:Guangzi Xuebao/Acta Photonica Sinica
Abbreviated source title:Guangzi Xuebao
Volume:34
Issue:6
Publication year:2005
Pages:909-911
Language:Chinese
ISSN:10044213
CODEN:GUXUED
Document type:Journal article (JA)
Publisher:Chinese Optical Society, Xi'an, China
Abstract:GaInP<sub>2</sub> materials had been obtained on Ge substrate (100) toward (110)miscut 9 degree by a home-made low pressure MOCVD system. Its growth condition was investigated, and the testing results show that growth temperature, V/III ratio and growth speed influence on surface morphology and solid composition of GaInP<sub>2</sub>. The measurements indicate that growth temperature should be 650~680°C, V/III ratio should be 180~220, growth speed 25~35 nm/min. And the results shows that the nearly similar performance of GaInP<sub>2</sub> is obtained on both GaAs and Ge substrate.
Number of references:7
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 134>
Accession number:2006079697652
Title:Ultrafast sum-frequency polarization beats in twin Markovian stochastic correlation
Authors:Zhang, Yanpeng (1); Gan, Chenli (2); Song, Jianping (1); Yu, Xiaojun (1); Ge, Hao (1); Ma, Ruiqiong (1); Jiang, Tong (1); Li, Chuangshe (1); Lu, Keqing (3)
Author affiliation:(1) Department of Electronic Science and Technology, Xi'an Jiaotong University, Xi'an 710049, China; (2) Department of Physics, University of North Texas, PO Box 311427, Denton, TX 76203-1427, 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.(ypzhang@mail.xjtu.edu.cn)
Source title:Journal of Modern Optics
Abbreviated source title:J. Mod. Opt.
Volume:52
Issue:14
Issue date:September 20, 2005
Publication year:2005
Pages:2013-2047
Language:English
ISSN:09500340
E-ISSN:13623044
CODEN:JMOPEW
Document type:Journal article (JA)
Publisher:Taylor and Francis Ltd.
Abstract:An analytic closed form for the second-order or fourth-order Markovian stochastic correlation of attosecond sum-frequency polarization beat (ASPB) can be obtained in the extremely Doppler-broadened limit. The homodyne detected ASPB signal is shown to be particularly sensitive to the statistical properties of the Markovian stochastic light fields with arbitrary bandwidth. The physical explanation for this is that the Gaussian-amplitude field undergoes stronger intensity fluctuations than a chaotic field. On the other hand, the intensity (amplitude) fluctuations of the Gaussian-amplitude field or the chaotic field are always much larger than the pure phase fluctuations of the phase-diffusion field. The field correlation has weakly influence on the ASPB signal when the laser has narrow bandwidth. In contrast, when the laser has broadband linewidth, the ASPB signal shows resonant-nonresonant cross correlation, and the sensitivities of ASPB signal to three Markovian stochastic models increase as time delay is increased. A Doppler-free precision in the measurement of the energy-level sum can be achieved with an arbitrary bandwidth. The advantage of ASPB is that the ultrafast modulation period 900 as can still be improved, because the energy-level interval between ground state and excited state can be widely separated.
Number of references:45
Main heading:Ultrafast phenomena
Controlled terms:Bandwidth - Delay circuits - Doppler effect - Light polarization - Markov processes - Signal processing
Uncontrolled terms:Markovian stochastic models - Phase fluctuations - Ultrafast sum-frequency polarization
Classification code:703.1 Electric Networks - 711.1 Electromagnetic Waves in Different Media - 716.1 Information Theory and Signal Processing - 741.1.1 Nonlinear Optics - 922.1 Probability Theory
Treatment:Experimental (EXP)
DOI:10.1080/09500340500106824
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 135>
Accession number:2005129008293
Title:Digital radiography image adaptive enhancement based on wavelet transform
Authors:Zhang, Daobing (0); Zhang, Jiwu (0); Xu, Zhaohui (0); Shi, Shujuan (0)
Corr. author affiliation:Inst. of Optics and Precision Mech., CAS, Xi'an 710068, China
Source title:Guangzi Xuebao/Acta Photonica Sinica
Abbreviated source title:Guangzi Xuebao
Volume:34
Issue:2
Issue date:February 2005
Publication year:2005
Pages:302-305
Language:Chinese
ISSN:10044213
CODEN:GUXUED
Document type:Journal article (JA)
Publisher:Chinese Optical Society, Xi'an, China
Abstract:The equivalence equation in wavelet domain is deduced from the basic theory of adaptive image contrast enhancement in time domain. Based on the principle of visually receptive psychology, the gain should be determined by the background of the image. At the same time, the gain should be adjusted when taking the trait of the digital radiography with important details lie in medium spatial frequency into account. The experiment results show that wavelet adaptive enhancement with adjusted gain is effective for the enhancement of the detail information in digital radiography.
Number of references:8
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 136>
Accession number:2005249156972
Title:Self-enhancement effect and optimal switching scheme for high fixed diffraction efficiency in LiNbO<inf>3</inf>:Ce:Cu crystals
Authors:Ren, Liyong (1); Liu, Liren (2); Liu, De An (2); Yao, Baoli (1); Menke, Neimule (1); Ren, Zhiwei (1); Kong, Yongfa (3)
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 710068, China; (2) Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, P. O. Box 800-211, Shanghai 201800, China; (3) Department of Physics, Nankai University, Tianjin 300071, China
Corresponding author:Ren, L.(renliy@opt.ac.cn)
Source title:Proceedings of SPIE - The International Society for Optical Engineering
Abbreviated source title:Proc SPIE Int Soc Opt Eng
Volume:5636
Issue:PART 1
Monograph title:Holography, Diffractive Optics, and Applications II
Issue date:2005
Publication year:2005
Pages:329-333
Article number:51
Language:English
ISSN:0277786X
CODEN:PSISDG
Document type:Conference article (CA)
Conference name:Holography, Diffractive Optics, and Applications II
Conference date:November 8, 2004 - November 11, 2004
Conference location:Beijing, China
Conference code:64963
Sponsor:SPIE; COS - Chinese Optical Society
Publisher:SPIE
Abstract:Self-enhancement effect and oscillatory characteristic of diffraction are observed during the holographic recording in LiNbO<inf>3</inf>:Ce:Cu crystal. Both phenomena are owing to the dynamic diffraction characteristics of photorefractive volume holograms or gratings. On the basis of the experimental results and the above concept, two methods, i.e., the self-enhancement effect and the optimal switching from the recording step to the fixing step, are correspondingly suggested for the production of persistent holograms with high fixed diffraction. By use of our recently presented time-space dynamic theory of two-center holographic recording, the experimental results are theoretically analyzed and numerically simulated. The simulations are in good agreement with the experimental results. It is shown that the self-enhancement in both steps of recording and fixing can obviously enhance the recorded and fixed hologram and thus the nonvolatile diffraction efficiency. And it is also indicated that switching after the first diffraction maximum leads theoretically to fixed diffraction of as much as 100 % with a suitable switching time. This optimal switching provides a completely new method to obtain high persistent diffraction of the nonvolatile holographic storage in doubly doped LiNbO<inf>3</inf> crystals.
Number of references:15
Main heading:Diffraction gratings
Controlled terms:Computer simulation - Crystals - Holograms - Lithium niobate - Optical switches - Photorefractive materials - Refractive index - Switching systems
Uncontrolled terms:Beam-coupling effect - Dynamic photorefractive volume grating - LiNbO3:Ce:Cu crystal - Optimal switching - Self-enhancement effect
Classification code:933.1 Crystalline Solids - 804.2 Inorganic Compounds - 743 Holography - 741.3 Optical Devices and Systems - 741.1 Light/Optics - 723.5 Computer Applications - 716 Telecommunication; Radar, Radio and Television
Treatment:Theoretical (THR); Experimental (EXP)
DOI:10.1117/12.571888
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 137>
Accession number:2006119762146
Title:Amplified spontaneous emissions in the double-clad Er: Yt co-doped fiber
Authors:Xia, Guijin (1); Fang, Qiang (2); Zhang, Jumei (3); Liang, Meng (2); Liu, Jihong (2)
Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an, Shannxi, 710068, China; (2) Xi'an Posts and Telecommunication Institute, Xi'an, Shannxi, 710118, China; (3) Xi'an Communication Institute, Xi'an, Shannxi, 710106, China
Corresponding author:Xia, G.
Source title:Proceedings of SPIE - The International Society for Optical Engineering
Abbreviated source title:Proc SPIE Int Soc Opt Eng
Volume:6019 II
Monograph title:Passive Components and Fiber-based Devices II
Issue date:2005
Publication year:2005
Article number:601945
Language:English
ISSN:0277786X
CODEN:PSISDG
Document type:Conference article (CA)
Conference name:Passive Components and Fiber-based Devices II
Conference date:November 7, 2005 - November 10, 2005
Conference location:Shanghai, China
Conference code:66827
Sponsor:SPIE - The International Society for Optical Engineering; Chinese Optical Society, China; China Institute of Communications, China
Publisher:SPIE
Abstract:In order to achieve higher output powers, double-clad fibers (DCF's) are widely used by optical fiber lasers and amplifiers. In this paper, we present a comprehensive mathematical model for the novel multi-mode (MM) double-clad (DC) Er: Yb co-doped hexagonal fiber, Based on the rate and propagation equations, the pump light and forward and backward-amplified spontaneous emissions (ASE±) light transmission in the fiber are analyzed numerically and measured. The simulative and experimental results show that pump power was absorbed almost completely when the length of the fiber is about 3.5-4 m, the suitable length of the fiber in optical fiber lasers is 2-2.5 m. and the 2 m long fiber emits at 1535 and 1543 nm simultaneously, and the peak-value wavelength of ASE+ changes to the long wavelength with the increase of the pump power. The results investigated are useful for the design of optical fiber lasers.
Number of references:13
Main heading:Optical fibers
Controlled terms:Erbium - Fiber lasers - Light amplifiers - Light emission - Mathematical models - Ytterbium
Uncontrolled terms:ASE - Double-clad fibers - Pump power
Classification code:547.2 Rare Earth Metals - 714.2 Semiconductor Devices and Integrated Circuits - 741.1.2 Fiber Optics - 744.4 Solid State Lasers - 921 Mathematics
Treatment:Theoretical (THR); Experimental (EXP)
DOI:10.1117/12.633456
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 138>
Accession number:2005299226465
Title:New method for image target edge extraction
Authors:Zou, Yong-Xing (0); Zhou, Ren-Kui (0); Luo, Xiu-Juan (0); Wang, Feng (0)
Corr. author affiliation:Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China
Source title:Guangdian Gongcheng/Opto-Electronic Engineering
Abbreviated source title:Guangdian Gongcheng
Volume:32
Issue:6
Issue date:June 2005
Publication year:2005
Pages:76-78
Language:Chinese
ISSN:1003501X
CODEN:GUGOEC
Document type:Journal article (JA)
Publisher:Chinese Academy of Sciences, Chengdu, Sichuan, China
Abstract:A new method to extract target edge based on morphology and area division technology is proposed. First, an image with maximal contrast is achieved by subtracting the image obtained by bottom-hat transform from the image obtained by Top-hat transform plus original image, then a threshold is automatically divided to gain a binary image, and finally morphological operators with a circle model are executed to detect target image edge so as to eliminate inner details and retain continuity. Simulations show that this method can efficiently extract target edges with only 44.6%-70.2% of calculation load as that of traditional method and better performance of noise resistance.
Number of references:4
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 139>
Accession number:2005389375424
Title:Measurement of the nonlinear refraction index of Nd:YVO<sub>4</sub> crystal by single-beam Z scan
Authors:Guan, Jun (0); Li, Xia (0); Cheng, Guanghua (0); Chen, Guofu (0); Hou, Xun (0)
Corr. author affiliation:Laboratory of Transient Optics Technology, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China
Source title:Guangzi Xuebao/Acta Photonica Sinica
Abbreviated source title:Guangzi Xuebao
Volume:34
Issue:8
Issue date:August 2005
Publication year:2005
Pages:1172-1175
Language:Chinese
ISSN:10044213
CODEN:GUXUED
Document type:Journal article (JA)
Publisher:Chinese Optical Society, Xi'an, China
Abstract:In this measurement of the nonlinear refraction index of 4 mm thick Nd:YVO<sub>4</sub> crystal, the single-beam Z scan method is employed and the experimental data is processed according to the Z scan theory of thin sample. As a result, the refraction index, which tallies with the one resulting from other different measure method, is obtained in this measurement. So the rationality and the validity of this simple measurement and data processing method are proved.
Number of references:18
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 140>
Accession number:2005179070091
Title:Study on energy transfer kinetics of homotrimer and heterotrimer of the light-harvesting complex n from Bryopsis corticulans
Authors:Peng, Jufang (0); Wang, Shuicai (0); He, Junfang (0); Cai, Xia (0); Liu, Xiao (0); Chen, Hui (0); Li, Liangbi (0)
Corr. author affiliation:Lab. of Transient Optics and Technol, Inst. of Optics and Precision Mech., Chinese Acad. of Sci., Xi'an 710068, China
Source title:Guangzi Xuebao/Acta Photonica Sinica
Abbreviated source title:Guangzi Xuebao
Volume:34
Issue:3
Issue date:March 2005
Publication year:2005
Pages:395-399
Language:Chinese
ISSN:10044213
CODEN:GUXUED
Document type:Journal article (JA)
Publisher:Chinese Optical Society, Xi'an, China
Abstract:Femtosecond-time-resolved fluorescence spectroscopy technology has been carried out to study the fluorescence spectral properties and energy transfer properties in homotrimer and heterotrimer of the light-harvesting complex II prepared from Bryopsis corticulans, which is excitated at 495 nm and room temperature. Both homotrimer and heterotrimer have obtained five spectral components by Gauss analysis, and each of which reflects different spectral properties. Furthermore, the fluorescence spectra of the two complexes have been analyzed and compared. In addition, Triexponential time fitting for the fluorescence decay curve of homotrimer yields 3 components lifetimes of 165 ±8.5 fs, 2.2 ±0.6 ps and 5.1 ±0.1 ns, of hetermotrimer receives 3 components lifetimes of 255 ±6.3 fs, 4 ±0.8ps and 3.8 ±0.1 ns, and all of which have been given ascription. Here, the two shorter time components of homotrimer are faster than those of heterotrimer. Which shows that the protein binding of homotrimer is more compact than that of heterotrimer, and causes the distances between the pigments of homotrimer can be shorter, and energy transfer between them be faster.
Number of references:14
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 141>
Accession number:2005519605684
Title:High-speed auto-detection of moving small targets in remote sensing staring binocular imaging system
Authors:Qu, You-Shan (0); Fan, Xue-Wu (0); Li, Ying-Cai (0); Wen, De-Sheng (0); Tian, Wei-Jian (0)
Corr. author affiliation:Xi'an Institute of Optics and Precision Mechanics, Xi'an 710068, China
Source title:Guangxue Jishu/Optical Technique
Abbreviated source title:Guangxue Jishu
Volume:31
Issue:6
Issue date:November 2005
Publication year:2005
Pages:811-813+816
Language:Chinese
ISSN:10021582
CODEN:GJISEP
Document type:Journal article (JA)
Publisher:Optical Technique, Beijing, China
Abstract:According to the feature of remote sensing staring binocular imaging system, the information quantity passed through the overlapped field of view is larger than that passed through the non-overlapped field of view, a new parallel high-speed automatic detecting algorithm of moving small targets is established. The algorithm firstly used the Infinite Norms of the difference vectors of the processed images as a preprocessing algorithm to get rid of most of low frequency noise points and background, then used Optic Flow to segment the moving small targets, and finally used the novel space-time parallel high-speed determining method proposed to determine whether the doubtful moving small target was a true target or not. The experiments results prove that the average determining speed of the space-time parallel processing determining method is improved 50% than that of the monocular imaging system, in the SNR of processed images is no less than 5 dB, the correct determining probability is 97%.
Number of references:9
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 142>
Accession number:2006099727095
Title:Molecular structural relationships on optical constants of metallized azo dyes for optical recording materials
Authors:Wei, Juanli (1); Wei, Bin (2); Wu, Yiqun (3)
Author affiliation:(1) Xi'An Institute of Physical Education, Xi'an 710068, China; (2) Tubular Goods Research Center, China National Petroleum Corporation, Xi'an 710065, China; (3) Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, P. O. Box 800-211, Shanghai 201800, China
Corresponding author:Wei, J.
Source title:Proceedings of SPIE - The International Society for Optical Engineering
Abbreviated source title:Proc SPIE Int Soc Opt Eng
Volume:5966
Monograph title:Seventh International Symposium on Optical Storage, ISOS 2005
Issue date:2005
Publication year:2005
Article number:59661N
Language:English
ISSN:0277786X
CODEN:PSISDG
Document type:Conference article (CA)
Conference name:Seventh International Symposium on Optical Storage, ISOS 2005
Conference date:April 2, 2005 - April 6, 2005
Conference location:Zhanjiang, China
Conference code:66680
Sponsor:Chinese Academy of Sciences,; Shanghai Institute of Optics and Fine Mechanics, China; National Natural Science Foundation of China; Guangdong Association for Science and Technology, China; Zhanjiang Municipal Government, China
Publisher:SPIE
Abstract:Metal-azo complex is a new class of optical strorage medium and nonlinear optical material. The complex refractive indices N(N=n-ik), dielectric constants Ε(Ε=Ε<inf>1</inf>-Ε<inf>2</inf>), and absorption coefficients α of four kinds of novel azo dyes based on 4-methylthiazole, 5-methyl-3-isoxazole spin-coated thin films are determined from an scanning ellipsometer in the wavelength 400-700nm region. The molecular structural relationships on optical constants of metallized azo dyes were investigated. Metal chelation strongly (about one times) enhances the optical constants at the peaks and results in large bathochromic shift (ca.60-70nm) of absorption band. Bathochromic shift of Ni-azo complex is about 10nm larger than that of Zn-azo complex due to different spatial configurations formed in the metal-azo complexes. Meanwhile, the diazonium components of azo dye also affect the optical constants and maximum absorption.
Number of references:10
Main heading:Molecular structure
Controlled terms:Azo dyes - Nonlinear optics - Optical systems - Optical variables measurement - Permittivity - Refractive index - Thin films
Uncontrolled terms:Absorption coefficients - Metal-azo complexes - Optical constants - Optical thin films
Classification code:941.4 Optical Variables Measurements - 931.3 Atomic and Molecular Physics - 804.1 Organic Compounds - 803 Chemical Agents and Basic Industrial Chemicals - 801.4 Physical Chemistry - 741.3 Optical Devices and Systems - 741.1.1 Nonlinear Optics - 714.2 Semiconductor Devices and Integrated Circuits - 701 Electricity and Magnetism
Treatment:Experimental (EXP)
DOI:10.1117/12.649794
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 143>
Accession number:2006089715466
Title:Growth and characterisation of InAsSb ternary layers on (100) GaSb substrates by LP-MOCVD
Authors:Li, Xiaoting (1); Wang, Tao (1); Wang, Jingwei (1); Wang, Yiding (3); Yin, Jingzhi (3); Sai, Xiaofeng (1); Gao, Hongkai (1); Zhang, Zhiyong (4)
Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanism, Chinese Academy of Sciences, Xi'an 710068, China; (2) Chang'an University, Xi'an 710061, China; (3) Department of Electronics and Engineering, Jilin University, Changchun 130023, China; (4) Northwest University, Xi'an 710069, China
Corresponding author:Li, X.
Source title:Pan Tao Ti Hsueh Pao/Chinese Journal of Semiconductors
Abbreviated source title:Pan Tao Ti Hsueh Pao
Volume:26
Issue:12
Issue date:December 2005
Publication year:2005
Pages:2298-2302
Language:English
ISSN:02534177
CODEN:PTTPDZ
Document type:Journal article (JA)
Publisher:Science Press
Abstract:InAsSb alloys are grown on n-(100) GaSb (Te-doped) and GaAs substrates by the MOCVD using TMIn, TMSb, and AsH<inf>3</inf> sources. The influence of growth parameters such as temperature, V/III ratio, and buffer layer on the surface morphology and solid composition is studied. The surface morphology is observed by AFM and SEM. The As and Sb concentrations in the solid are characterized by electron microprobe analysis. The crystalline quality of the InAsSb epilayer is characterized by double-crystal X-ray rocking curve diffraction. The electrical properties are ob served by the (Van der Pauw) Hall technique at room temperature. An InAsSb epitaxy layer with mirror-like surface and lattice mismatch of 0.4% is obtained.
Number of references:15
Main heading:Semiconducting indium compounds
Controlled terms:Atomic force microscopy - Characterization - Crystal growth - Electric properties - Metallorganic chemical vapor deposition - Scanning electron microscopy - X ray diffraction analysis
Uncontrolled terms:GaSb - Growth - InAsSb - Low pressure MOCVD
Classification code:712.1.2 Compound Semiconducting Materials - 802.2 Chemical Reactions - 931.2 Physical Properties of Gases, Liquids and Solids - 933.1.2 Crystal Growth
Treatment:Applications (APP); Experimental (EXP)
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 144>
Accession number:2005389375444
Title:Researches on the measurement of bubble velocity based on cross-correlation
Authors:Chen, Min (0); He, Junhua (0); Ji, Yanjun (0); Yan, Yadong (0); Chen, Liangyi (0)
Corr. author affiliation:Xi'an Institute of Optics and Precision Mechanics, Chinese Acad. of Sci., Xi'an 710068, China
Source title:Guangzi Xuebao/Acta Photonica Sinica
Abbreviated source title:Guangzi Xuebao
Volume:34
Issue:8
Issue date:August 2005
Publication year:2005
Pages:1253-1256
Language:Chinese
ISSN:10044213
CODEN:GUXUED
Document type:Journal article (JA)
Publisher:Chinese Optical Society, Xi'an, China
Abstract:Through researching on the velocity vector of bubbly wall in the ship wake, the bubble movement character can be found out. Also, the research and realization of the ship wake self-guide torpedo is based upon this character. After comparing the differences between Cross-Correlation and Doppler method, the Cross-Correlation method has been applied to the measurement of bubbly wall parameters in ship wake from a new aspect. The high-speed CCD camera is used to acquire the images of simulating ship wake, the velocity of bubbles in the ship wake is computed from image post-processing. Through improving cross-correlation algorithm commonly used for analysis of flow field, the Fast Fourier Transform (FFT) has been used to compute the cross-correlation function rapidly. In order to enhance the computing accuracy, Gauss curve fitting is used to modify the location of the max value point, and the fitting formula is listed, so the bubble velocity with subpixel accuracy is obtained. In order to calibrate the algorithm, the image transition is used to validate its feasibility and dependability. It is also applied to the experiment of simulative ship wake. The algorithm is expected to be used in acquiring the real-time velocity information in the ship wake.
Number of references:8
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 145>
Accession number:2005259172552
Title:Experimental study on polarization holographic high density optical data storage with bacteriorhodopsin film
Authors:Ren, Zhi-Wei (0); Yao, Bao-Li (0); Neimule, Menke (0); Wang, Ying-Li (0); Zheng, Yuan (0); Lei, Ming (0); Chen, Guo-Fu (0)
Corr. author affiliation:Laboratory of Transient Optics Technology, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China
Source title:Wuli Xuebao/Acta Physica Sinica
Abbreviated source title:Wuli Xuebao
Volume:54
Issue:6
Issue date:June 2005
Publication year:2005
Pages:2699-2703
Language:Chinese
ISSN:10003290
CODEN:WLHPAR
Document type:Journal article (JA)
Publisher:Science Press, Beijing, China
Abstract:Genetic mutant bacteriorhodopsin BR-D96N film was experimentally studied on its holographic storage properties with different polarization recording waves. The influences of the different polarization states of the recording and readout waves on the retrieval diffractive image's intensity and signal-to-noise-ratio were compared with each other. The experimental results showed that compared with other polarization holographic recording, orthogonal circular polarization recording can realize the separation of the polarization state of the diffractive wave from the scattering noise, and thus has high signal-to-noise-ratio as well as high diffraction efficiency. Using He-Ne laser (633 nm, 3 mW) as recording and readout beam, spatial light modulator as data input element and CCD as data capture element, orthogonal circular polarization holographic optical data storage was made on 60 μm × 42 μm area of the BR-D96N film by Fourier transform holographic method. The area density of 2 × 10<sup>8</sup> bit/cm<sup>2</sup> was obtained, and the encoded data was retrieved without errors.
Number of references:9
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 146>
Accession number:2005269184402
Title:Principle analysis of passive detection of upper atmospheric wind field of the Lorentzian profile
Authors:He, Jian (1); Zhang, Chunmin (1); Tang, Yuanhe (1); Zhao, Baochang (2)
Author affiliation:(1) Science School, Xi'an Jiaotong University, Xi'an 710049, China; (2) Space Optics Laboratory, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China
Corresponding author:He, J.(hejian405@163.com)
Source title:Guangxue Xuebao/Acta Optica Sinica
Abbreviated source title:Guangxue Xuebao
Volume:25
Issue:5
Issue date:May 2005
Publication year:2005
Pages:577-580
Language:Chinese
ISSN:02532239
CODEN:GUXUDC
Document type:Journal article (JA)
Publisher:Chinese Optical Society
Abstract:Through detecting the Doppler shifts of airglow (aurora) in upper atmosphere, the physical quantity such as velocity, temperature and pressure of upper atmosphere is derived. Taking the aurora (two major lines of the emission of the atomic oxygen) in upper atmosphere as the detection source, the detection principle and method of the line based on the Lorentzian profile are researched; the distribution of the velocity, temperature and pressure and their calculation formula are given out based on the Lorentzian profile, using computer imitation, the error curve is described, so it is shown that the Lorentzian profile is very important in the upper atmospheric wind detection.
Number of references:10
Main heading:Upper atmosphere
Controlled terms:Atmospheric optics - Atmospheric spectra - Computer simulation - Oxygen - Wind
Uncontrolled terms:Airglow - Aurora - Doppler shifts - Lorentzian profile - Wind field detection
Classification code:443.1 Atmospheric Properties - 723.5 Computer Applications - 741.1 Light/Optics - 804 Chemical Products Generally
Treatment:Applications (APP); Theoretical (THR)
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 147>
Accession number:2005299223367
Title:Development of a multispectral multiphoton fluorescence lifetime imaging microscopy system using a streak camera
Authors:Qu, Junle (1); Liu, Lixin (1); Guo, Baoping (1); Lin, Ziyang (1); Hu, Tao (1); Tian, Jindong (1); Wang, Shuyan (1); Zhang, Jikang (1); Niu, Hanben (1)
Author affiliation:(1) Institute of Optoelectronics, Shenzhen University, Shenzhen 518060, China; (2) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China
Corresponding author:Qu, J.
Source title:Progress in Biomedical Optics and Imaging - Proceedings of SPIE
Abbreviated source title:Progr. Biomed. Opt. Imaging Proc. SPIE
Volume:5630 II
Monograph title:Optics in Health Care and Biomedical Optics: Diagnostics and Treatment II
Issue date:2005
Publication year:2005
Pages:510-516
Article number:102
Language:English
ISSN:16057422
Document type:Conference article (CA)
Conference name:Optics in Health Care and Biomedical Optics: Diagnostics and Treatment II
Conference date:November 8, 2004 - November 12, 2004
Conference location:Beijing, China
Conference code:65192
Sponsor:SPIE; Chinese Optical Society, COS
Publisher:SPIE
Abstract:We report on the development of a multispectral multiphoton fluorescence lifetime imaging microscopy (MM-FLIM) system that is the combination a streak camera, a prism spectrophotometer, a femtosecond Ti: Sapphire laser and a fluorescence microscope. This system is versatile with multispectral capability, high temporal (10ps) and spatial (0.36μm) resolution and can be used to make 3-dimensional (3D) (x-y-z) multiphoton fluorescence intensity, spectrally resolved intensity and lifetime measurements with a single detector. The system was calibrated with a F-P etalon and a standard fluorescent dye and the lifetime value obtained was in good agreement with the value reported in the literature. Preliminary results suggest that this MM-FLIM system has integrated high temporal, spatial, and spectral resolution fluorescence detection in one microscopy system. Potential applications of this system include multiwell imaging, tissue discrimination, intracellular physiology and fluorescence resonance energy transfer imaging.
Number of references:28
Main heading:Cameras
Controlled terms:Detectors - Fluorescence - Imaging techniques - Microscopic examination - Multiphoton processes - Sapphire
Uncontrolled terms:Fluorescence lifetime imaging - Fluorescence microscopy - Multiphoton fluorescence - Multispectral - Streak camera
Classification code:482.2.1 Gems - 741.1 Light/Optics - 741.3 Optical Devices and Systems - 742.2 Photographic Equipment
Treatment:Theoretical (THR)
DOI:10.1117/12.568736
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 148>
Accession number:2006119754417
Title:Optical properties and applications of photochromic fulgides
Authors:Yao, Baoli (1); Wang, Yingli (1); Menke, Neimule (1); Lei, Ming (1); Zheng, Yuan (1); Ren, Liyong (1); Chen, Guofu (1); Chen, Yi (2); Fan, Meigong (2)
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) Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, China; (3) State Key Laboratory of Transient Optics Technology, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China
Corresponding author:Yao, B.(yaobl@opt.ac.cn)
Source title:Molecular Crystals and Liquid Crystals
Abbreviated source title:Mol. Cryst. Liq. Cryst.
Volume:430
Issue date:2005
Publication year:2005
Pages:211-219
Language:English
ISSN:15421406
E-ISSN:15635287
CODEN:MCLCD8
Document type:Conference article (CA)
Publisher:Taylor and Francis Inc.
Abstract:The optical properties and potential applications of four kinds of fulgide and fulgimide were studied. A parallel optical storage apparatus was set up, which could reach the area density of 4.8 × 10<sup>7</sup> bits/cm <sup>2</sup> on the fulgide/PMMA film. Fourier transform orthogonal circular polarization holographic data storage was performed with high signal-to-noise-ratio reconstruction image, which obtained the storage density of 2 × 10<sup>8</sup> bits/cm<sup>2</sup> for single hologram. Two-photon induced micro-patterns were recorded on the fulgimide/PMMA film with 800nm, 100fs, 1KHz, 50 mW femtosecond laser. Dual-wavelength (650nm and 488nm) optical images storage were tested on a two-color mixing fulgides/PMMA film.
Number of references:7
Main heading:Photochromism
Controlled terms:Absorption - Anisotropy - Holography - Optical data storage - Optical properties - Polymethyl methacrylates - Protons
Uncontrolled terms:Fulgides - Photoinduced anisotropy - Polarization holography - Two-photon absorption
Classification code:722.1 Data Storage, Equipment and Techniques - 741.1 Light/Optics - 743 Holography - 815.1.1 Organic Polymers - 931.2 Physical Properties of Gases, Liquids and Solids - 931.3 Atomic and Molecular Physics
Treatment:Theoretical (THR)
DOI:10.1080/15421400590946415
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 149>
Accession number:2005249158429
Title:Organic photochromic materials for optical storage memory
Authors:Chen, Yi (1); Xiao, Jun P. (1); Fan, Mei G. (1); Yao, Baoli (2)
Author affiliation:(1) Institute of Physics and Chemistry, Chinese Academy of Science, Beijing, 100101, China; (2) State Key Laboratory of Transient Technology, Xi'an Institute of Optics and Precision Mechanic, Chinese Academy of Sciences, Xi'an 710068, China
Corresponding author:Chen, Y.
Source title:Proceedings of SPIE - The International Society for Optical Engineering
Abbreviated source title:Proc SPIE Int Soc Opt Eng
Volume:5643
Monograph title:Advances in Optical Data Storage Technology
Issue date:2005
Publication year:2005
Pages:73-78
Article number:24
Language:English
ISSN:0277786X
CODEN:PSISDG
Document type:Conference article (CA)
Conference name:Advances in Optical Data Storage Technology
Conference date:November 8, 2004 - November 10, 2004
Conference location:Beijing, China
Conference code:64970
Sponsor:SPIE; COS - Chinese Optical Society
Publisher:SPIE
Abstract:Two photochromic fulgides, 3-[2-(N,N-dimethylaniline)-5-methyl- xazolemethylene]-4-isopropylidenetetrahydrofuran-2, 5-dione (A) and 3-(1,2-dimethyl-5-phenyl-pyrrolmethylene)-4-isopropylidenetetrahydrofuran-2, 5-dione (B), doped in PMMA as candidates of dual-wavelength optical memory for parallel recording are demonstrated. With 488nm-laser and 650nm-laser, both "cross" and "star" images are recorded on the same place of the sample and readout. Cross-talk between two fulgide compounds in PMMA matrix is also investigated.
Number of references:18
Main heading:Optical data storage
Controlled terms:Benchmarking - Crosstalk - Holography - Image quality - Optical recording - Organic compounds - Photochromism - Videodisks
Uncontrolled terms:Digital versatile disks (DVD) - Optical memory - Parallel recording - Photochromic fulgide
Classification code:804.1 Organic Compounds - 743 Holography - 741.3 Optical Devices and Systems - 912 Industrial Engineering and Management - 741.1 Light/Optics - 716.4 Television Systems and Equipment - 711.1 Electromagnetic Waves in Different Media - 722.1 Data Storage, Equipment and Techniques
Treatment:Theoretical (THR)
DOI:10.1117/12.573405
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 150>
Accession number:2005189078922
Title:Attosecond sum-frequency Raman-enhanced polarization beating by use of twin phase-sensitive color locking noisy light beams
Authors:Zhang, Yanpeng (1); Gan, Chenli (2); Song, Jianping (1); Yu, Xiaojun (1); Ma, Ruiqiong (1); Ge, Hao (1); Li, Chuangshe (1); Lu, Keqing (3)
Author affiliation:(1) Dept. of Electron. Sci./Technology, Xi'an Jiaotong University, Xi'an 710049, China; (2) Department of Physics, University of North Texas, P.O. Box 311427, Denton, TX 76203-1427, United States; (3) St. Key Lab. Transient Opt./Technol., Xi'an Inst. Optics/Precicion Mech., Chinese Academy of Sciences, Xi'an 710068, China
Corresponding author:Zhang, Y.(ypzhang@mail.xjtu.edu.cn)
Source title:Journal of the Optical Society of America B: Optical Physics
Abbreviated source title:J Opt Soc Am B
Volume:22
Issue:3
Issue date:March 2005
Publication year:2005
Pages:694-711
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:Based on three stochastic models, the subtle, Markovian field-correlation effects have been investigated in homodyne-detected attosecond sum-frequency Raman-enhanced polarization beating (REPB) and heterodyne-detected femtosecond difference-frequency REPB. The different roles of the amplitude fluctuations and the phase fluctuations have been pointed out in both time and frequency domains. Analytic closed forms of the sixth-order and fourth-order Markovian stochastic correlations are characterized for homodyne (quadratic) and heterodyne (linear) detection, respectively. The attosecond sum-frequency REPB signal shows resonant-nonresonant cross correlation, asymmetric temporal behavior, and drastic difference for three Markovian stochastic fields, and the autocorrelation of REPB exhibits hybrid-radiation-matter-detuning-terahertz damping oscillation. The phase-diffusion model predicts a damping oscillation of the signal around a constant value in the narrowband case. The heterodyne-detected signal of REPB potentially offers rich dynamic information about the homogeneous, broadening, material phase of the third-order nonlinear susceptibility. © 2005 Optical Society of America.
Number of references:28
Main heading:Light polarization
Controlled terms:Damping - Four wave mixing - Frequency domain analysis - Laser beams - Markov processes - Mathematical models - Optical correlation - Oscillations - Time domain analysis
Uncontrolled terms:Damping oscillation - Markovian stochastic processes - Phase diffusion model - Raman enhanced polarization beating
Classification code:741.1 Light/Optics - 744.8 Laser Beam Interactions - 921.3 Mathematical Transformations - 921.6 Numerical Methods - 922.1 Probability Theory
Treatment:Theoretical (THR)
DOI:10.1364/JOSAB.22.000694
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 151>
Accession number:2005329290691
Title:Research on the relationship between depolarized structure of fiber optic gyros and degree of polarity
Authors:Liu, Jianchun (0); Gao, Limin (0); Li, Kang (0); Qiu, Renfeng (0); Wang, Jun (0)
Corr. author affiliation:Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China
Source title:Guangzi Xuebao/Acta Photonica Sinica
Abbreviated source title:Guangzi Xuebao
Volume:34
Issue:6
Publication year:2005
Pages:948-951
Language:Chinese
ISSN:10044213
CODEN:GUXUED
Document type:Journal article (JA)
Publisher:Chinese Optical Society, Xi'an, China
Abstract:By adding Polarization Maintaining Fiber on output terminal of SLD and Loyt depolarizer behind polarizer, the Degree of polarity can be reduced to 10<sup>-3</sup>, and influence of outside conditions to light-wave' state of polarization can be reduced too. And by calculating with Jones matrix, the relationship between four joint angles and polarization was discussed, and range of four joint angles was limited. In the end, how to link the fiber-optic and measure the joint angles was discussed.
Number of references:11
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 152>
Accession number:2005449454023
Title:Correlation of image spots in the intersecting method of multi-target based on two measure station
Authors:Xu, Feng (0); Gao, Xin (0); Cai, Xin-Tian (0); Meng, Fan-Sheng (0); Liu, Wen (0); Xiong, Ren-Sheng (0); Liu, Zhao-Hui (0); Deng, Shu-Ying (0)
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:31
Issue:SUPPL.
Issue date:September 2005
Publication year:2005
Pages:45-47
Language:Chinese
ISSN:10021582
CODEN:GJISEP
Document type:Journal article (JA)
Publisher:Optical Technique, Beijing, China
Abstract:An intersecting method of multi-target based on two measure station was put forward in allusion to optical measurement according to actual development of optical detector. The result is better without much redundancy though multiple images integrated correlation of multiple images. And quick measure of a certain number of objects can be carried out.
Number of references:4
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 153>
Accession number:2005058820404
Title:Preparation and characteristics of the wide gap semiconductor Mg <inf>0.18</inf>Zn<inf>0.82</inf>O thin film by L-MBE
Authors:He, Yong-Ning (1); Zhang, Jing-Wen (1); Yang, Xiao-Dong (2); Xu, Qing-An (2); Liu, Xing-Hui (1); Zhu, Chang-Chun (1); Hou, Xun (1)
Author affiliation:(1) Dept. of Electron. Sci. and Technol., The Sch. of Electron. and Info., Xi'An Jiaotong University, Xi'an 710049, China; (2) State Key Lab. of Transient Optics, Technol. xi'An Inst. Opt. Prec. M., Xi'an 710068, China
Corresponding author:He, Y.-N.(yongning@mail.xjtu.edu.cn)
Source title:Microelectronics Journal
Abbreviated source title:Microelectron J
Volume:36
Issue:2
Issue date:February 2005
Publication year:2005
Pages:125-128
Language:English
ISSN:00262692
CODEN:MICEB9
Document type:Journal article (JA)
Publisher:Elsevier Ltd
Abstract:The high purity ZnO ceramic target and the (MgO)<inf>0.1</inf>(ZnO) <inf>0.9</inf> target were fabricated. The wurtzite-phase ZnO thin film and ternary Mg<inf>x</inf>Zn<inf>1-x</inf>O thin film were grown on sapphire (0001) substrates by laser molecular beam epitaxy (L-MBE) from the sintered ceramic targets separately. The films' transmittance spectra at room temperature for the ZnO film and the Mg<inf>x</inf>Zn<inf>1-x</inf>O film were measured and compared while their room temperature photoluminescence spectra were done. The band-gap modulation is realized from 3.31 eV for the ZnO film to 3.64 eV for the Mg<inf>x</inf>Zn<inf>1-x</inf>O alloy film. The Mg content x in the Mg <inf>x</inf>Zn<inf>1-x</inf>O alloy film was determined to be 0.18. © 2004 Elsevier Ltd. All rights reserved.
Number of references:11
Main heading:Magnesium compounds
Controlled terms:Ceramic materials - Fabrication - Film growth - Molecular beam epitaxy - Semiconductor materials - Sintering - Thin films - Zinc oxide
Uncontrolled terms:Band-gap modulation - Ceramic target - MgZnO alloy thin films - ZnO thin films
Classification code:931.3 Atomic and Molecular Physics - 812.1 Ceramics - 804.2 Inorganic Compounds - 804.1 Organic Compounds - 714.2 Semiconductor Devices and Integrated Circuits - 712.1 Semiconducting Materials - 533.1 Ore Treatment
Treatment:Experimental (EXP)
DOI:10.1016/j.mejo.2004.11.005
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 154>
Accession number:2005249157137
Title:Studies on dynamic behavior of rotating mirrors
Authors:Li, Jingzhen (1); Sun, Fengshan (2); Gong, Xiangdong (1); Huang, Hongbin (1); Tian, Jie (1)
Author affiliation:(1) Shenzhen University, Shenzhen (518060), China; (2) Xian Institute of Optical and Precise Machinery, Academia Sinica, Xian (710068), China
Corresponding author:Li, J.(lijz@szu.edu.cn)
Source title:Proceedings of SPIE - The International Society for Optical Engineering
Abbreviated source title:Proc SPIE Int Soc Opt Eng
Volume:5638
Issue:PART 1
Monograph title:Optical Design and Testing II
Issue date:2005
Publication year:2005
Pages:117-123
Article number:19
Language:English
ISSN:0277786X
CODEN:PSISDG
Document type:Conference article (CA)
Conference name:Optical Design and Testing II
Conference date:November 8, 2004 - November 11, 2004
Conference location:Beijing, United states
Conference code:64965
Sponsor:SPIE; COS - Chinse Optical Society
Publisher:SPIE
Abstract:A rotating mirror is a kernel unit in a Miller-type high speed camera, which is both as an imaging element in optical path and as an element to implement ultrahigh speed photography. According to Schardin's Principle, information capacity of an ultrahigh speed camera with rotating mirror depends on primary wavelength of lighting used by the camera and limit linear velocity on edge of the rotating-mirror: the latter is related to material (including specifications in technology), cross-section shape and lateral structure of rotating mirror. In this manuscript dynamic behavior of high strength aluminium alloy rotating mirrors is studied, from which it is preliminarily shown that an aluminium alloy rotating mirror can be absolutely used as replacement for a steel rotating-mirror or a titanium alloy rotating-mirror in framing photographic systems, and it could be also used as a substitute for a beryllium rotating-mirror in streak photographic systems.
Number of references:9
Main heading:Mirrors
Controlled terms:Aluminum alloys - Beryllium - Elasticity - Lighting - Plastic deformation - Steel - Streak cameras - Titanium alloys
Uncontrolled terms:Aluminum alloy rotating mirror - Framing photography - Image distortion - Lateral deformation - Limite rotation speed
Classification code:741.3 Optical Devices and Systems - 549 Nonferrous Metals and Alloys - 545.3 Steel - 742.2 Photographic Equipment - 542.3 Titanium and Alloys - 541.2 Aluminum Alloys - 421 Strength of Building Materials; Mechanical Properties - 542.1 Beryllium and Alloys
Treatment:Theoretical (THR); Experimental (EXP)
DOI:10.1117/12.573260
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 155>
Accession number:2005449454106
Title:Analysis and calculation of operating range of high-speed camera
Authors:Hao, Bin (0); Guo, Xiao-Hui (0); Wang, Hu-Shun (0)
Corr. author affiliation:Xi'an Institute of Optics and Precision Mechanics, Academia Sinica, Xi'an 710068, China
Source title:Guangxue Jishu/Optical Technique
Abbreviated source title:Guangxue Jishu
Volume:31
Issue:SUPPL.
Issue date:September 2005
Publication year:2005
Pages:301-304
Language:Chinese
ISSN:10021582
CODEN:GJISEP
Document type:Journal article (JA)
Publisher:Optical Technique, Beijing, China
Abstract:High-speed camera measuring instrument is a kind of new electro-optic tracking device and capable of live recording in initial stage of missile launching, and also used of ballistic measuring and attitude measuring. The TV system can meet the needs of searching, tracking and measuring tracking coverage. Accurate analysis and calculation is the prerequisite of finishing the work.
Number of references:3
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 156>
Accession number:2006119762121
Title:Optical active waveguide in Er<sup>3+</sup>-Yb<sup>3+</sup> codoped lithium silicate glass writtten with near-IR femtosecond laser pulses
Authors:Ma, Lin (1); Shi, Shunxiang (1); Cheng, Guanghua (2); Chen, Guofu (2)
Author affiliation:(1) Lab 501, School of Technical Physics, Xidian University, Xi'an 710071, 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
Corresponding author:Ma, L.(ml-mary@sohu.com)
Source title:Proceedings of SPIE - The International Society for Optical Engineering
Abbreviated source title:Proc SPIE Int Soc Opt Eng
Volume:6019 II
Monograph title:Passive Components and Fiber-based Devices II
Issue date:2005
Publication year:2005
Article number:60193C
Language:English
ISSN:0277786X
CODEN:PSISDG
Document type:Conference article (CA)
Conference name:Passive Components and Fiber-based Devices II
Conference date:November 7, 2005 - November 10, 2005
Conference location:Shanghai, China
Conference code:66827
Sponsor:SPIE - The International Society for Optical Engineering; Chinese Optical Society, China; China Institute of Communications, China
Publisher:SPIE
Abstract:We present for the first time, to the best of our knowledge, active waveguide device and array in Er<sup>3+</sup>-Yb<sup>3+</sup> codoped lithium silicate glass directly written by near-IR femtosecond laser pulses. We show that in Er<sup>3+</sup>-Yb<sup>3+</sup> codoped lithium silicate cylinder waveguide of diameter 4um is produced by use of a microscope objective with a numerical aperture of NA=0.1 and laser pulse of 400fs duration with a energy of 3 μ J generated by a Ti:sapphire amplifier. The sample could be translated parallel to the laser beam axis by a computer-controlled three-dimensional translation stage. We analyze its guided wave characterization. This one-step process provides a simple and flexible method for the fabrication of integrated optics components.
Number of references:16
Main heading:Optical waveguides
Controlled terms:Doping (additives) - Glass fibers - Laser pulses - Lithium - Silicates
Uncontrolled terms:Active waveguides - Er <sup>3+</sup>-Yb<sup>3+</sup> codoped lithium silicate glass - Femtosecond lasers - Nonlinear absorption
Classification code:741.3 Optical Devices and Systems - 741.1.2 Fiber Optics - 714.3 Waveguides - 744.1 Lasers, General - 714.2 Semiconductor Devices and Integrated Circuits - 542.4 Lithium and Alloys - 414 Masonry Materials - 549.1 Alkali Metals
Treatment:Theoretical (THR)
DOI:10.1117/12.636433
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 157>
Accession number:2005529617447
Title:Researches on the measurement of bubble curtains velocity based on cross-correlation
Authors:Chen, Min (1); He, Jun-Hua (1); Wang, Feng (1); Chen, Liang-Yi (1)
Author affiliation:(1) 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
Corresponding author:Chen, M.(chenmin@opt.ac.cn)
Source title:Guangdianzi Jiguang/Journal of Optoelectronics Laser
Abbreviated source title:Guangdianzi Jiguang
Volume:16
Issue:10
Issue date:October 2005
Publication year:2005
Pages:1231-1234
Language:Chinese
ISSN:10050086
CODEN:GUJIE9
Document type:Journal article (JA)
Publisher:Board of Optronics Lasers
Abstract:Cross-correlation methods have been applied to the measurement of bubble film parameters in ship wake from a new aspect. The high-speed CCD camera is used to acquire the images of simulating ship wake images, and the velocity of micro-bubble in the ship wake is computed from image posttreatment. Through improving cross-correlation algorithm commonly used for analysis of flow field, the fast Fourier transform (FFT) has been used to fast compute the cross-correlation function. The selection of sizing grid for computing cross-correlation is discussed, and curved surface fitting is applied to improve the computing level for the location of max value of cross-correlation function, and the motion direction of micro-bubble in ship wake flow with sub-pixel level is obtained.
Number of references:5
Main heading:Photography
Controlled terms:Algorithms - Bubbles (in fluids) - Fast Fourier transforms - Image processing - Velocity measurement - Wakes
Uncontrolled terms:Cross-correlation - Micro-bubble - Ship wake - Sub-pixel
Classification code:631.1 Fluid Flow, General - 723 Computer Software, Data Handling and Applications - 742.1 Photography - 921.3 Mathematical Transformations - 943.3 Special Purpose Instruments
Treatment:Applications (APP); Experimental (EXP)
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 158>
Accession number:2006089715369
Title:Affection of TV tracker to TV tracking system and the compensation methods
Authors:Gao, Xin (1); Wang, Jian-Li (3); Ji, Tong-Bo (3); Yu, Tao (4)
Author affiliation:(1) Xi'an Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Xi'an 710068, China; (2) Graduate School, Chinese Academy of Sciences, Beijing 100039, China; (3) Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China; (4) Beijing Institute of Track and Communication, Beijing 100094, China
Corresponding author:Gao, X.(gaoxin526@sina.com)
Source title:Guangxue Jingmi Gongcheng/Optics and Precision Engineering
Abbreviated source title:Guangxue Jingmi Gongcheng
Volume:13
Issue:SUPPL.
Issue date:November 2005
Publication year:2005
Pages:42-45
Language:Chinese
ISSN:1004924X
CODEN:GJGOF4
Document type:Journal article (JA)
Publisher:Chinese Academy of Sciences
Abstract:The image forming and disposing time delay of TV tracker and sample frequency affect tracking capability of TV tracking system directly. For TV tracking system, the affection of TV tracker, the method to test time delay of TV tracker and the compensation methods to decrease the TV tracker affection are introduced. The above-mentioned theories and technologies are tested in experiments. The experimental results are consistent with the analyzed and simulated results.
Number of references:5
Main heading:Tracking (position)
Controlled terms:Frequencies - Image processing - Parameter estimation - Phase control - Television applications - Testing - Transfer functions
Uncontrolled terms:Delay time testing - Phase compensation - Television tracker - Unit step response
Classification code:921.6 Numerical Methods - 731.3 Specific Variables Control - 731.1 Control Systems - 723.2 Data Processing and Image Processing - 716.4 Television Systems and Equipment - 711.1 Electromagnetic Waves in Different Media - 422.2 Strength of Building Materials : Test Methods
Treatment:Applications (APP)
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 159>
Accession number:2006099733216
Title:Study of improving the optoelectronic system capability to track moving targets by using acceleration delay compensation
Authors:Wang, Jian-Li (1); Ji, Tong-Bo (1); Gao, Xin (2); Chen, Tao (1)
Author affiliation:(1) Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China; (2) Xi'an Institute of Optics, Fine Mechanics, Chinese Academy of Sciences, Xi'an 710068, China; (3) Graduate School, Chinese Academy of Sciences, Beijing 100039, China; (4) Beijing Institute of Track and Communication, Beijing 100094, China
Corresponding author:Wang, J.-L.(wangjianli@ciomp.ac.cn)
Source title:Guangxue Jingmi Gongcheng/Optics and Precision Engineering
Abbreviated source title:Guangxue Jingmi Gongcheng
Volume:13
Issue:6
Issue date:December 2005
Publication year:2005
Pages:681-685
Language:Chinese
ISSN:1004924X
CODEN:GJGOF4
Document type:Journal article (JA)
Publisher:Chinese Academy of Sciences
Abstract:The equivalent sine target method to measure the tracking precision of optoelectronic tracking system was presented. The concept of acceleration delay compensation was put forward. By using acceleration delay compensation, the tracking capability of optoelectronic tracking system was promoted to track fast moving targets at maximal 50°/s angular velocity and maximal 30°/s<sup>2</sup> angular acceleration other than maximal 30°/s angular velocity and maximal 12°/s<sup>2</sup> angular acceleration while the maximal tracking error was still less than 3 . The simulation and experiment results show that the theoretical analysis is correct and it is very valuable for engineering.
Number of references:6
Main heading:Optoelectronic devices
Controlled terms:Acceleration - Computer simulation - Error compensation - Precision engineering - Tracking (position)
Uncontrolled terms:Acceleration delay compensation - Optoelectronic tracking system - Tracking precision
Classification code:721.1 Computer Theory, Includes Formal Logic, Automata Theory, Switching Theory, Programming Theory - 723.5 Computer Applications - 741.3 Optical Devices and Systems - 931.1 Mechanics
Treatment:Applications (APP); Experimental (EXP)
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.
<RECORD 160>
Accession number:2005399387035
Title:Modulation transfer function measurements of selfoc lens array
Authors:Zhang, Wen-Song (1); Zhao, Wei (1); Fang, Qiang (1); Zhao, Hong-Bo (4); Wang, Cui-Lian (4); Yao, Sheng-Li (4)
Author affiliation:(1) State Key Laboratory of Transient Optics Technology, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Science, Xi'an 710068, China; (2) Graduate School, Chinese Academy of Sciences, Beijing 100039, China; (3) Department of Telecommunications, Xi'an Institute of Posts and Telecommunications, Xi'an 710061, China; (4) Femto Technology (Xi'an) Co. Ltd., Xi'an 710119, China
Corresponding author:Zhang, W.-S.(zhangwensong@opt.ac.cn)
Source title:Zhongguo Jiguang/Chinese Journal of Lasers
Abbreviated source title:Zhongguo Jiguang
Volume:32
Issue:8
Issue date:August 2005
Publication year:2005
Pages:1113-1116
Language:Chinese
ISSN:02587025
CODEN:ZHJIDO
Document type:Journal article (JA)
Publisher:Science Press
Abstract:Imaging characteristics and the main factors of fabrication of selfoc lens array (SLA) are presented. Reliability of evaluating imaging quality of SLA through measuring its modulation transfer function (MTF) is analyzed. Principle and method of MTF measurements are described, rationality of the main basis of appraising imaging quality of SLA by MTF is analyzed. The MTF of SLA as a function of wavelength and spatial frequency is obtained theoretically. The factors of affecting the differences of value between measure and theory are analyzed. The measured MTF for two types of SLA A and B are 58.57% and 60.78% when total conjugate (TC) is designed at red light, and 52.03% and 56.34% at green light, 49.94% and 53.01% at blue light, respectively. Thus the imaging quality of SLA of B type is superior to A type.
Number of references:7
Main heading:Lenses
Controlled terms:Frequencies - Image quality - Measurements - Modulation - Reliability - Transfer functions
Uncontrolled terms:Imaging quality - Modulation transfer function (MTF) measurements - MTF measurement principle - Self focusing lens array
Classification code:711.1 Electromagnetic Waves in Different Media - 716 Telecommunication; Radar, Radio and Television - 741.3 Optical Devices and Systems - 921 Mathematics - 922.2 Mathematical Statistics
Treatment:Applications (APP); Experimental (EXP)
Database:Compendex
Compilation and indexing terms, Copyright 2014 Elsevier Inc.