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SPECTROMETER: 作品数：383被引量：508H指数：10; 导出分析报告; 相关领域：理学更多>>; 相关作者：刘安雯胡水明李雪松冷春波张韫宏更多>>; 相关机构：中国科学院清华大学中国科学院大学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>>

Design and implementation of the monochromator shielding for the cold neutron spectrometers XINGZHI and BOYA: 《Chinese Physics B》2024年第5期96-102,共7页汪晋辰刘娟娟徐大业 Florian Grünauer 郝丽杰刘蕴韬张红霞程鹏鲍威; Project supported by the National Natural Science Foundation of China(Grant Nos.12004426,U2030106,and 12304185);the National Key Scientific Instrument and Equipment Development Project of NSFC(Grant No.11227906);the National Key R&D Program of China(Grant No.2023YFA1406500)。; An innovative monochromator shielding is designed and implemented for the cold neutron spectrometers XINGZHI and BOYA operated by Renmin University of China at China Advanced Research Reactor.Via Monte Carlo simulatio...; 关键词：neutron scattering cold neutron spectrometer monochromator shielding sandwich shielding structure

Fast compressed sensing spectral measurement with adaptive gradient multiscale resolution: 《Chinese Physics B》2024年第2期298-304,共7页蓝若明刘雪峰李天平白成杰; Project supported by the Natural Science Foundation of Shandong Province,China(Grant Nos.ZR2020MF119 and ZR2020MA082);the National Natural Science Foundation of China(Grant No.62002208);the National Key Research and Development Program of China(Grant No.2018YFB0504302).; We propose a fast,adaptive multiscale resolution spectral measurement method based on compressed sensing.The method can apply variable measurement resolution over the entire spectral range to reduce the measurement ti...; 关键词：SPECTROMETER compressed sensing adaptive gradient multiscale resolution fast measurement

A design of resonant cavity with an improved coupling-adjusting mechanism for the W-band EPR spectrometer被引量：1: 《Chinese Physics B》2022年第11期115-120,共6页Yu He Runqi Kang Zhifu Shi Xing Rong Jiangfeng Du; Project supported by the Chinese Academy of Sciences(Grant Nos.XDC07000000 and GJJSTD20200001);the Youth Innovation Promotion Association of Chinese Academy of Sciences for the support。; We report a new design of resonant cavity for a W-band electron paramagnetic resonance(EPR)spectrometer.An improved coupling-adjusting mechanism,which is robust,compact,and suits with both solenoid-type and split-pair...; 关键词：electron paramagnetic resonance W-BAND microwave cavity coupling coefficient

Modeling and analysis for the image mapping spectrometer被引量：1: 《Chinese Physics B》2017年第4期144-155,共12页袁艳丁晓铭苏丽娟王婉悦; Project supported by the National Natural Science Foundation of China(Grant Nos.61635002 and 61307020);the Changjiang Scholars and Innovative Research Team in University(PCSIRT)Program,China; The snapshot image mapping spectrometer（IMS） has advantages such as high temporal resolution,high throughput,compact structure and simple reconstructed algorithm.In recent years,it has been utilized in biomedicine,r...; 关键词：imaging spectrometers snapshot imaging spectrometer imaging model image mapper

Spectroscopic measurements and terahertz imaging of the cornea using a rapid scanning terahertz time domain spectrometer: 《Chinese Physics B》2016年第6期150-156,共7页刘文权鲁远甫焦国华陈险峰周志盛佘荣斌李金瑛陈四海董玉明吕建成; Project supported by the National Natural Science Foundation of China(Grant No.61205101);the Shenzhen Municipal Research Foundation,China(Grant Nos.GJHZ201404171134305 and JCYJ20140417113130693);the Marie Curie Actions-International Research Staff Exchange Scheme(IRSES)(Grant No.FP7 PIRSES-2013-612267); Spectroscopic measurements and terahertz imaging of the cornea are carried out by using a rapid scanning terahertz time domain spectroscopy（THz-TDS） system.A voice coil motor stage based optical delay line（VCM-ODL...; 关键词：TERAHERTZ rapid scanning terahertz time domain spectrometer tissue diagnostics terahertz imaging

Influence of the interaction volume on the kinetic energy resolution of a velocity map imaging spectrometer: 《Chinese Physics B》2016年第3期145-149,共5页张鹏冯正鹏罗四强王哲; Project supported by the National Natural Science Foundation of China(Grant Nos.11234004 and 61275126); We investigate the influence of the interaction volume on the energy resolution of a velocity map imaging spectrometer. The simulation results show that the axial interaction size has a significant influence on the re...; 关键词：velocity map imaging interaction size RESOLUTION

A double toroidal analyzer for scanning probe electron energy spectrometer被引量：1: 《Chinese Physics B》2014年第7期183-187,共5页徐春凯张盼科郦盟陈向军; supported by the National Basic Research Program of China (Grant No. 2010CB923301);the National Natural Science Foundation of China (GrantNos. 11327404 and 11174268); An ultra-high vacuum （UHV） compatible electron spectrometer employing a double toroidal analyzer has been de- veloped. It is designed to be combined with a custom-made scanning tunneling microscope （STM） to study ...; 关键词：double toroidal analyzer scanning probe electron energy spectroscopy electron energy loss spec-troscopy secondary electron emission spectroscopy

A diode laser spectrometer at 634 nm and absolute frequency measurements using optical frequency comb被引量：1: 《Chinese Physics B》2009年第4期1409-1412,共4页伊林袁杰齐向晖陈文兰周大伟周通周小计陈徐宗; Project supported by the National Fundamental Research Program of China (Grant Nos 2005CB3724500 and 2006CB921400);the Major Program of National Natural Science Foundation of China (Grant No 60490280);National Natural Science Foundation of China (Grant No 10574005); This paper reports that two identical external-cavity-diode-laser （ECDL） based spectrometers are constructed at 634nm referencing on the hyperfine B-X transition R（80）8-4 of 127I2. The lasers are stabilized on the...; 关键词：frequency standard optical frequency comb absolute frequency measurement atomicclock

The effects of fast neutron irradiation on oxygen in Czochralski silicon: 《Chinese Physics B》2009年第1期293-297,共5页陈贵锋阎文博陈洪建李兴华李养贤; Project supported by the National Natural Science Foundation of China (Grant No 50872028);the Natural Science Foundation ofHebei Province,China (Grant No E2008000079);the Specialized Research Fund for the Doctoral Program of Higher Educationof China (Grant No 20050080006); The effects of fast neutron irradiation on oxygen atoms in Czochralski silicon （CZ-Si） are investigated systemically by using Fourier transform infrared （FTIR） spectrometer and positron annihilation technique （PA...; 关键词：neutron irradiation irradiation defects FTIR spectrometer positron lifetime

Improvements on the third generation of electron momentum spectrometer被引量：1: 《Chinese Physics B》2008年第5期1729-1737,共9页宁传刚张书锋邓景康刘昆黄艳茹罗志弘; supported by the National Natural Science Foundation of China (Grant No 10575062);Specialized Research Fund for the Doctoral Program of Higher Education of China (Grant No 20050003084); The significant modifications to our recently constructed electron momentum spectrometer have been implemented. Compared with our previous report, the energy and the angle resolutions are significantly improved and re...; 关键词：electron momentum spectrometer double toroidal analyser oxide cathode Monte Carlo simulation

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