多角度偏振辐射计星上积分球结构设计及检测

宋茂新; 杨本永; 袁银麟; 洪津

doi:10.3788/OPE.20122011.2338

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多角度偏振辐射计星上积分球结构设计及检测

现代应用光学 | 更新时间：2020-08-12

- 多角度偏振辐射计星上积分球结构设计及检测
- Structure design and test of onboard calibration integrating sphere of multi-angle polarimetric radiometer
- 光学精密工程 2012年20卷第11期页码：2338-2344
- 作者机构：
  
  中国科学院安徽光学精密机械研究所光学遥感中心,安徽合肥,230031
- 作者简介：
- 基金信息：
  
  国家自然科学基金资助项目(No.40971196)()
- DOI：10.3788/OPE.20122011.2338
  中图分类号： TP73;P111.4
- 收稿日期：2012-05-02，
  
  修回日期：2012-06-13，
  
  纸质出版日期：2012-11-10
- 稿件说明：
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宋茂新, 杨本永, 袁银麟, 洪津. 多角度偏振辐射计星上积分球结构设计及检测[J]. 光学精密工程, 2012,20(11): 2338-2344

SONG Mao-xin, YANG Ben-yong, YUAN Yin-lin, HONG Jin. Structure design and test of onboard calibration integrating sphere of multi-angle polarimetric radiometer[J]. Editorial Office of Optics and Precision Engineering, 2012,20(11): 2338-2344
宋茂新, 杨本永, 袁银麟, 洪津. 多角度偏振辐射计星上积分球结构设计及检测[J]. 光学精密工程, 2012,20(11): 2338-2344 DOI： 10.3788/OPE.20122011.2338.

SONG Mao-xin, YANG Ben-yong, YUAN Yin-lin, HONG Jin. Structure design and test of onboard calibration integrating sphere of multi-angle polarimetric radiometer[J]. Editorial Office of Optics and Precision Engineering, 2012,20(11): 2338-2344 DOI： 10.3788/OPE.20122011.2338.

摘要

为满足星载多角度偏振辐射计六孔径同时定标及全光路定标的要求

根据多角度偏振辐射计的光路特点和结构约束设计了六出孔椭球形积分球定标源

并对积分球辐射输出的一致性﹑均匀性及偏振特性进行了检测。其中

一致性的检测采用定标后的光谱辐射计直接测量;均匀性的检测考虑积分球出口小

采用了透镜加光阑扫描的方法;偏振度的检测使用了根据马吕斯消光定律设计的线偏振检测仪。实验和检测结果表明

采用的检测和数据处理方法提高了系统的信噪比和测量的准确性。积分球成对开孔输出一致性优于99.5%

面均匀性优于99%

偏振度低于1%

这些结果满足多角度偏振辐射计的辐射定标需求。

Abstract

In order to calibrate the six apertures of a multi-angle polarizing radiometer synchronously and to meet the need of full beam path calibration. a six-hole ellipsoid integrating sphere calibration source was designed according to the optical characteristics and structural constraint of the polarizing radiometer. Then the consistency

uniformity and polarization of the integrating sphere output were tested. In the test

the consistency was directly measured by using the scaled spectral radiometer

while the uniformity was detected by using the scanning method combined a lens and apertures in consideration of the small outlet of the integrating sphere. Furthermore

the degree of polarization was detected by a linear polarization detector designed based on the Marius extinction law. Experiments demonstrate that the detection methods and data processing have enhanced the signal-to-noise ratio as well as the accuracy of the system. It is shown that the brightness consistency of paired openings for the integrating sphere is better than 99.5%

the surface uniformity is better than 99%

and the degree of polarization is below 1%

which satisfies the needs of radiometric calibration of the multi-angle polarizing radiometer.

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Keywords

references

TRAVIS L D. Earth Oberving Scanning Polarimeter.EOS Reference Handbook [M].Washington DC: NASA,1995:77-129.[2] CAIRNS B, EDGAR E, RUSSELL, et al..The research scanning polarimeter: calibration and ground-based measurements [J]. SPIE, 1999, 3754: 186-196.[3] Goddard Space Flight Center. Aerosol Polarimetry Sensor Calibration.Glory Project,2010.[4] 李东景,于平,齐心达. 星上定标积分球系统的设计[J]. 光电子技术,2011,31(1):57-62. LI D J, YU P, QI X D. The design of spaceborne calibration intergrating sphere system [J]. Optoelectronic Technology, 2011,31(1):57-62.(in Chinese)[5] 王淑荣,邢进,李福田.利用积分球光源定标空间紫外遥感光谱辐射计[J]. 光学精密工程,2006,14(2):185-190. WANG SH R, XING J, LI F T.Spectral radiance responsivity calibration of ultraviolet remote sensing spectroradiometer in space using integrating sphere [J].Opt. Precision Eng., 2006, 14(2): 185-190.(in Chinese)[6] 徐晓峰,王冀,张黎明,等.航天积分球面均匀性检测 [J]. 量子电子学报, 2005, 22(5): 817-820. XU X F, WANG J, ZHANG L M, et al..Study on uniformity measurements of space integrating sphere [J]. Chinese Journal of Quantum Electronics, 2005, 22(5): 817-820.(in Chinese)[7] 杨本永,张黎明,陈洪耀. 可见-短波红外高光谱星上定标用积分球系统的设计[J]. 光学学报, 2009,29(12):3545-3550. YANG B Y, ZHANG L M, CHEN H Y. System design of the integrating sphere used for on-board calibration of visible-SWIR hyperspectral remote sensor[J]. Acta Optica Sinica, 2009, 29(12): 3545-3550.(in Chinese)[8] 章骏平,吴浩宇,周威.大孔径积分球辐射源光谱辐射特性测试方法研究[J]. 量子电子学报,2001,18(5):424-428. ZHANG J P,WU H Y, ZHOU W. Experimental study of speetral radiance characterics of large aperture integrating sphere [J].Chinese Journal of Quantum Electronics, 2001, 18(5): 424-428.(in Chinese)[9] 邢进,李福田,顾行发.星载紫外遥感辐射计积分球定标新方法的研究[J]. 遥感学报,2006,10(5):644-650. XING J, LI F T, GU X F. Research on the new technology of calibrations of spectroradiometer for ultraviolet space borne remote sensing based on integrating sphere [J]. Journal of Remote Sensing, 2006, 10(5): 644-650.(in Chinese)[10] 廖廷彪. 偏振光学 [M].北京:科学出版社,2003:231-250. LIAO Y B. Polarization Optics [M]. Beijing: Science Press, 2003: 231-250.(in Chinese)

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