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MEASUREMENTS: 作品数：689被引量：1350H指数：15; 导出分析报告; 相关领域：理学更多>>; 相关作者：王让会张慧芝唐文乔李思发于红霞更多>>; 相关机构：北京大学中国科学院中华全国供销合作总社中国科学技术大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划国家高技术研究发展计划中国博士后科学基金更多>>

New speckle pattern interferometry for precise in situ deformation measurements: 《Chinese Optics Letters》2024年第1期34-40,共7页章如月 Yu Fu 缪泓; supported by the National Natural Science Foundation of China(Nos.11890683 and 11972235)。; A new electronic speckle pattern interferometry method is proposed to realize in situ deformation measurements.The feature of the method is the combination of a high-speed camera and multiple laser Doppler vibrometers...; 关键词：speckle pattern interferometry laser Doppler vibrometers in situ deformation measurements

Optical property measurements of 235 mm large-scale Ti:sapphire crystal被引量：3: 《Chinese Optics Letters》2018年第7期51-54,共4页曹鹤甘泽彪梁晓燕於亮红李文启郭振黄培王建业徐民杭寅; supported by the National Natural Science Foundation of China(Nos.61775223 and 51502321);the Strategic Priority Research Program of Chinese Academy of Sciences(No.XDB1603);the Shanghai Scientific Research Project(Nos.16JC1420600 and 16DZ0503900); A Ti：sapphire crystal with a diameter of 235 mm and thickness of 72 mm was grown by the heat exchange method（HEM）. The absorption intensity of the crystal at 532 nm averaged at 91%. The figures of merit（FOMs）at d...; 关键词：TI Optical property measurements of 235 mm large-scale Ti:sapphire crystal

Objective visual performance evaluation with visual evoked potential measurements based on an adaptive optics system被引量：1: 《Chinese Optics Letters》2018年第5期82-86,共5页Yanrong Yang Junlei Zhao Haoxin Zhao Fei Xiao Jiaxin Xie Wiejun Liu Yun Dai; supported by the National Natural Science Foundation of China (No. 61378064);the National High Technology Research and Development Program of China (No. 2015AA020510); An objective visual performance evaluation with visual evoked potential （VEP） measurements was first inte- grated into an adaptive optics （AO） system. The optical and neural limits to vision can be bypassed throug...; 关键词：VEP AO Objective visual performance evaluation with visual evoked potential measurements based on an adaptive optics system PSF

Improved phase-shifting diffraction interferometer for microsphere topography measurements被引量：1: 《Chinese Optics Letters》2016年第7期47-50,共4页刘国栋卢丙辉孙和义刘炳国陈凤东庄志涛; supported by the National Natural Science Foundation of China under Grant Nos.61275096 and 51275120; In this study, an improved phase-shi^ng diffraction interferometer for measuring the surface topography of a microsphere is developed. A common diode-pumped solid state laser is used as the light source to facilitate ...; 关键词：Improved phase-shifting diffraction interferometer for microsphere topography measurements

All fiber pulsed coherent lidar development for wind profiles measurements in boundary layers被引量：24: 《Chinese Optics Letters》2014年第7期71-74,共4页刁伟峰张鑫刘继桥竹孝鹏刘源毕徳仓陈卫标; supported by the National Natural Science Foundation of China under Grant No.60908036; An all fiber pulsed coherent Doppler lidar （CDL） system at 1.54 μm wavelength is developed for wind profiles measurements. This lidar affords 43.0-μJ pulse energy at 10-kHz pulse repetition frequency with 500-ns p...; 关键词：Analog to digital conversion Fast Fourier transforms

Calibration and Monte Carlo simulation of a single-photon counting charge-coupled device for single-shot X-ray spectrum measurements被引量：2: 《Chinese Optics Letters》2013年第11期9-12,共4页闫永宏魏来温贤伦吴玉迟赵宗清张博朱斌洪伟曹磊峰姚泽恩谷渝秋; supported by the National Natural Science Foundation of China(Nos.10975121,10905051,10902051,and 11174259);the Foundation of CAEP(Nos.2009A0102003 and 2011B0102021);the Foundation of Science and Technology on Plasma Physics Laboratory(No.9140C6802041004); A Princeton Instruments PI-LCX 1300 charge-coupled device （CCD） camera used for X-ray spectrum measurements in laser-plasma experiments is calibrated using three radioactive sources and investigated with the Monte C...; 关键词：ALGORITHMS Charge coupled devices PIXELS X ray analysis X ray spectrographs X rays

Determination of bulk viscosity of liquid water via pulse duration measurements in stimulated Brillouin scattering被引量：3: 《Chinese Optics Letters》2013年第11期110-114,共5页葛媛史久林朱开兴何兴道; supported by the National Natural Sci-ence Foundation of China under Grants Nos.41206084 and 61177096; We present a method by which to determine the bulk viscosity of water from pulse duration measurements of stimulated Brillouin scattering （SBS）. Beginning from a common model of Brillouin scattering, the bulk viscos...; 关键词：SBS Determination of bulk viscosity of liquid water via pulse duration measurements in stimulated Brillouin scattering

Measurements of flame temperature by femtosecond CARS: 《Chinese Optics Letters》2012年第B06期208-209,共2页夏元钦赵阳张天天贺平樊荣伟董志伟陈德应张中华; Time-resolved femtosecond coherent anti-Stokes Raman spectroscopy （fs-CARS） is utilized to measure the methane/oxygen/nitrogen flame temperature at atmospheric-pressure. The measurements are performed using the CARS...

Measurements of cirrus clouds with a three-wavelength lidar被引量：4: 《Chinese Optics Letters》2012年第5期1-3,共3页陶宗明刘东钟志庆史博聂森麻晓敏周军; supported by the National Natural Science Foundation of China under Grant Nos. 40975010and 41075016; A three-wavelength lidar system is set up. The backscatter signals of 355, 532, and 1 064 nm are mea- sured simultaneously to derive the optical depth, lidar ratio, and baekseatter color ratio of cirrus clouds, respec...; 关键词：BACKSCATTERING CLOUDS Data processing

Quantum cascade laser-based spectrometer for high sensitive measurements of trace gases in air: 《Chinese Optics Letters》2012年第4期33-35,共3页汤媛媛刘文清阚瑞峰张玉钧陈东张帅阮俊; supported by the Main Direction Program of Knowledge Innovation of the Chinese Academy of Sciences(No.KGCX2-YW-121);the Strategic Priority Research Program of the Chinese Academy of Sciences(No.XDA05040102);the National"973"Program of China(No.2010CB234607); A quantum cascade（QC）laser-based spectrometer is developed to measure trace gases in air.The proposed spectrometer is tested for N2O,and the results presented in this letter.This system takes advantage of recent tec...; 关键词：GASES Quantum cascade lasers SPECTROMETRY

MEASUREMENTS