Instrument line shape of infrared Fourier transform spectrometer and its engineer applications

ZHANG Lei; YANG Min-zhu; ZOU Yao-pu; HAN Chang-pei

doi:10.3788/OPE.20152312.3322

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Instrument line shape of infrared Fourier transform spectrometer and its engineer applications

Modern Applied Optics | 更新时间：2020-08-13

- Instrument line shape of infrared Fourier transform spectrometer and its engineer applications
- Optics and Precision Engineering Vol. 23, Issue 12, Pages: 3322-3328(2015)
- 作者机构：
  
  1. 中国科学院大学北京,中国,100049
  2. 中国科学院红外探测与成像技术实验室上海,200083
- 作者简介：
- 基金信息：
- DOI：10.3788/OPE.20152312.3322
  CLC： TH744.1
- Revised：10 October 2015，
  
  Published：25 December 2015
- 稿件说明：
移动端阅览
张磊, 杨敏珠, 邹曜璞等. 红外傅里叶光谱仪的仪器线形函数及工程应用[J]. 光学精密工程, 2015,23(12): 3322-3328

ZHANG Lei, YANG Min-zhu, ZOU Yao-pu etc. Instrument line shape of infrared Fourier transform spectrometer and its engineer applications[J]. Editorial Office of Optics and Precision Engineering, 2015,23(12): 3322-3328
张磊, 杨敏珠, 邹曜璞等. 红外傅里叶光谱仪的仪器线形函数及工程应用[J]. 光学精密工程, 2015,23(12): 3322-3328 DOI： 10.3788/OPE.20152312.3322.

ZHANG Lei, YANG Min-zhu, ZOU Yao-pu etc. Instrument line shape of infrared Fourier transform spectrometer and its engineer applications[J]. Editorial Office of Optics and Precision Engineering, 2015,23(12): 3322-3328 DOI： 10.3788/OPE.20152312.3322.

摘要

提出了利用定量化的仪器线形函数对面阵傅里叶光谱仪像元进行光谱修正的方法。系统介绍了傅里叶光谱仪的仪器线形函数

结合仪器的自身特征建立了仪器线形函数模型

并利用MATLAB进行了仿真计算。通过理论计算给出了中心像元和边缘像元的激光光谱波峰之间的差值

其同实际值的相对误差均值仅为4.21%

修正后的边缘像元光谱准确度达到10

-5

量级。得到的结果从理论角度证明了利用仪器线形函数对面阵型傅里叶光谱仪进行光谱修正的有效性。最后从实际工程应用的角度出发

提出了针对面阵傅里叶光谱仪非中心像元光谱修正的方法。实验显示该方法具有很强的普适性

可在保证较高光谱准确度的基础上极大地提高光谱定标的效率

降低光谱定标的工作量。

Abstract

A spectral correction method was proposed for an infrared space-borne Fourier transform spectrometer by using Instrument Line Shape(ILS). The ILS of the Fourier transform spectrometer was introduced systematically. An ILS model was established based on the instrument characteristics

and the simulation and calculation were carried out by using the MATLAB. The laser spectral peak value difference between the center detector and the edge one was calculated in theory

and the relative error between theoretical calculation value and actual value is just 4.21% and the accuracy of the corrected spectrum by the edge detector reaches 10

-5

magnitude. The results verify the validity of the spectrum correction of the plane array Fourier transform spectrometer by using ILS in the theory. Finally

a method was proposed to correct the non-central pixels' spectrum of the plane array Fourier transform spectrometer for engineer applications. The experiments show that the method has stronger universality and both guarantees high spectrum accuracy and improves the efficiency of spectral calibration. Moreover it reduces the workload of spectral calibration.

关键词

Keywords

references

张淳民. 干涉成像光谱技术[M]. 北京: 科学出版社,2010. ZHANG CH M. Interference Imaging Spectroscopy[M]. Beijing: Science Press, 2010.(in Chinese)

张晶, 王淑荣, 黄煜, 等. 临边成像光谱仪的发展现状与进展[J]. 中国光学, 2013,6(5): 692-700. ZHANG J,WANG SH R,HUANG Y,et al.. Status and development of limb imaging spectrometers[J].Chinese Optics,2013,6(5): 692-700.(in Chinese)

TREMBLAY J P. High Resolution Measurements of the Instrument Line Shape Function of Fourier-Transform Spectrometer[S]. Bad wildbad:11th International Workshop on Atmospheric Science from Space using Fourier Transform Spectrometry,2003.

Northrop Grumman Space & Mission Systems Corporation. Cross Track Infrared Sounder (CrlS) Sensor Data[R]. Redondo Beach, California, 2009.

SALONEN K I,SALOMAA I K, KAUPPINEN J K. Diffraction in a Fourier-transform spectrometer[J]. Applied Optics,1995,34(7):1190-1196.

PEKKASAARINEN J K A. Line-shape distortions in misaligned cube corner interferometers[J]. Applied Optics, 1992,31(1):69-74.

NIPLE E, PIRES A,POULTNEY S K. Exact modeling of lineshape and wave-number variations for off-axis detectors in Fourier Transform Spectrometer (FTS) sensor systems[J]. SPIE,1983,364:11-20.

GENEST J. Analytic solutions for nonuniformly illuminated off-axis detector[J]. Applied Optics, 1999,38(25):5438-5446.

BEST F A, BINGHAM G E,KNUTESON R O, et al.. Calibration of the Geostationary Imaging Fourier Transform Spectrometer (GIFTS)[J]. SPIE,2001,4151:1-11.

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