SPECTROMETRY

作品数:461被引量:896H指数:12
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Electrically tunable planar liquid-crystal singlets for simultaneous spectrometry and imaging
《Light(Science & Applications)》2024年第11期2589-2598,共10页Zhou Zhou Yiheng Zhang Yingxin Xie Tian Huang Zile Li Peng Chen Yan-qing Lu Shaohua Yu Shuang Zhang Guoxing Zheng 
supported by the National Key Research and Development Program of China(Grant Nos.2023YFB2804700,2021YFA1202000 and 2021YFE0205800);National Natural Science Foundation of China(Grant Nos.12174292,62222507,and 62175101);Natural Science Foundation of Jiangsu Province(No.BK20212004);Fundamental Research Funds for the Central Universities(2042024kf1005).
Conventional hyperspectral cameras cascade lenses and spectrometers to acquire the spectral datacube,which forms the fundamental framework for hyperspectral imaging.However,this cascading framework involves tradeoffs ...
关键词:CRYSTAL PLANAR SINGLET 
Refractive index characteristics of edible oils based on spectrometry and effects of oil dispersion on OCT被引量:1
《Journal of Innovative Optical Health Sciences》2021年第1期100-111,共12页ShiJun Xu XiaoKang Li 
It is necessary to investigate the wavelength-dependent variation rules of the refractive index of edible oils so as to explore the specificity of the dispersion in light propagation,imaging,and interference processes...
关键词:Biological optics refractive index SPECTROMETER edible oil DISPERSION OCT 
Multielement determination in orange juice by ICP-MS associated with data mining for the classification of organic samples被引量:5
《Information Processing in Agriculture》2017年第3期199-205,共7页Christian Turra Marcio Dias de Lima Elisabete A.De Nadai Fernandes Marcio Arruda Bacchi Fernando Barbosa Jr. Rommel Barbosa 
The aim of this study was to discriminate organic from conventional orange juice based on chemical elements and data mining applications.A comprehensive sampling of organic and conventional oranges was carried out in ...
关键词:Data mining Support vector machines Multilayer perceptron Orange juice Trace elements Inductively coupled plasma mass spectrometry(ICP-MS) 
Spectral distortion of dual-comb spectrometry due to repetition rate fluctuation被引量:1
《Chinese Physics B》2016年第4期161-165,共5页杨宏雷 尉昊赟 李岩 
supported by the State Key Laboratory of Precision Measurement Technology & Instruments of Tsinghua University and the Young Scientists Fund of the National Natural Science Foundation of China(Grant No.61205147)
Dual-comb spectrometry suffers the fluctuations of parameters in combs. We demonstrate that the repetition rate is more important than any other parameter, since the fluctuation of the repetition rate leads to a chang...
关键词:optical frequency comb Infrared spectra molecular spectra 
Astigmatism-corrected miniature czerny-turner spectrometer with freeform cylindrical lens被引量:12
《Chinese Optics Letters》2012年第8期23-26,共4页夏果 屈碧香 刘鹏 余飞鸿 
A miniature, broadband, astigmatism-corrected Czerny-Turner spectrometer is proposed. Theories of the broadband astigmatism correction using freeform cylindrical lens are thoroughly analyzed. Comparisons of the freefo...
关键词:Optical design SPECTROMETRY 
Simultaneous determination of brilliant blue and indigotine by derivative fluorescence spectrometry combined with WT-RBFNN被引量:1
《Optoelectronics Letters》2011年第2期158-160,共3页马超群 陈国庆 高淑梅 陈超 史院平 谷玲 
supported by the Research Fund for the Doctoral Program of Higher Education of China (No.200802950005);the Jiangsu Provincial Natural Science Foundation (No.BK2009066);the Project of Educational Commission of Jiangsu Province (Nos.JH08-18 and CX08B-088Z)
The mixed solutions of brilliant blue and indigotine are prepared and the fluorescence spectra of them are experimentally measured. The serious overlapping spectra of brilliant blue and indigotine are solved by means ...
关键词:Data compression FLUORESCENCE Fluorescence spectroscopy METADATA Radial basis function networks SPECTROMETRY Wavelet transforms 
Adaptive interference hyperspectral image compression with spectrum distortion control
《Chinese Optics Letters》2009年第10期934-937,共4页马静 李云松 吴成柯 陈东 
supported by the National Natural Science Foundation of China under Grant No.60532060
As one of the next generation imaging spectrometers, interferential spectrometer has been paid much attention. With traditional spectrum compression methods, the hyperspectral images generated by interferential spectr...
关键词:Electric distortion Image coding Image compression Image quality Independent component analysis Signal distortion Site selection SPECTROMETERS SPECTROMETRY 
Czerny-Turner imaging spectrometer for broadband spectral simultaneity被引量:1
《Chinese Optics Letters》2009年第9期861-864,共4页薛庆生 王淑荣 李福田 
supported by the National Natural Science Foundation of China under Grant No.40675083.
A modified asymmetrical Czerny-Turner arrangement with a fixed plane grating is proposed to correct aberrations over a broadband spectral range by analyzing the dependence of aberrations for different wavelengths. The...
关键词:ABERRATIONS Computer software SPECTROMETRY 
High resolution X-ray spherically bent crystal spectrometer for laser-produced plasma diagnostics被引量:6
《Chinese Optics Letters》2009年第1期92-94,共3页肖沙里 王洪建 施军 唐昶环 刘慎业 
supported by the National Natural Science Foundation of China under Grant No.10576041
A new high spectral resolution crystal spectrometer is designed to measure very low emissive X-ray spectra of laser-produced plasma in 0.5-0.9 nm range. A large open aperture (30 ×20 (mm)) mica (002) sphericall...
关键词:Laser produced plasmas Lasers MICA Plasma diagnostics PLASMAS Silicate minerals Spectral resolution SPECTROMETERS SPECTROMETRY X ray analysis X ray spectrographs X ray spectrometers 
Detection of the X-ray spectra of imploding neon Z-pinch with elliptically bent mica crystal spectrometer被引量:1
《Chinese Optics Letters》2008年第8期622-624,共3页施军 肖沙里 王洪建 黄显宾 杨礼兵 刘慎业 
the National Natural Science Foundation of China under Grant No.10576041.
A wide variety of X-ray and extreme ultraviolet diagnostics are being developed to study on Yang accelerator. An elliptically bent crystal spectrometer is designed with a focal length of 1350 mm. A mica crystal with a...
关键词:Helium Inert gases MICA NEON Particle accelerators Pinch effect Silicate minerals SPECTROMETERS SPECTROMETRY X ray spectrometers 
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