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傅里叶变换红外光谱仪复数光谱误差分析及辐射定标方法研究
引用本文:张天舒,刘文清,高闽光,陆亦怀,刘建国,徐亮,朱军.傅里叶变换红外光谱仪复数光谱误差分析及辐射定标方法研究[J].光谱学与光谱分析,2006,26(3):430-433.
作者姓名:张天舒  刘文清  高闽光  陆亦怀  刘建国  徐亮  朱军
作者单位:中国科学院安徽光学精密机械研究所,安徽,合肥,230031
摘    要:主要讨论了傅里叶变换红外光谱仪的相位偏移产生的原因,并且用严密的数学推导证明了相位偏移与复数光谱之间的关系.同时还分析了傅里叶变换光谱仪辐射量偏移产生的原因,并提出了复数光谱的辐亮度定标方法,该方法能够对辐射量偏移进行校正.实验数据与理论值的对比证明这种定标方法具有很高的精度.

关 键 词:傅里叶变换红外  复数光谱  定标  仪器响应函数
文章编号:1000-0593(2006)03-0430-04
收稿时间:2004-10-19
修稿时间:2005-02-21

Error Analysis and Calibration Method of Complex Spectrum of Fourier Transform Infrared Spectrometer
ZHANG Tian-shu,LIU Wen-qing,GAO Min-guang,LU Yi-huai,LIU Jian-guo,XU Liang,ZHU Jun.Error Analysis and Calibration Method of Complex Spectrum of Fourier Transform Infrared Spectrometer[J].Spectroscopy and Spectral Analysis,2006,26(3):430-433.
Authors:ZHANG Tian-shu  LIU Wen-qing  GAO Min-guang  LU Yi-huai  LIU Jian-guo  XU Liang  ZHU Jun
Institution:Chinese Academy of Sciences, Anhui Institute of Optic and Fine Machines, Hefei 230031, China
Abstract:The phase shift in complex spectrum of Fourier transform infrared (FTIR) spectrometer was discussed. A rigorous derivation showed the relation between the phase shift and complex spectrum. The reason for the radiation offset in FTIR measurement was analysed. The present article presents a calibration method of FTIR complex spectrum, which can adjust the radiation offset. The comparison between experiment data and theoretical computation showed that the method is precise.
Keywords:FTIR  Complex speetrum  Calibration  IRF
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