气溶胶偏振探测仪偏振特性分析

大气与环境光学学报 ›› 2014, Vol. 9 ›› Issue (4): 280-288.

气溶胶偏振探测仪偏振特性分析

代虎1,2, 颜昌翔1, 张新洁1

（1.中国科学院长春光学精密机械与物理研究所，吉林长春 130033；
2.中国科学院大学，北京 100049）

收稿日期:2013-10-10 修回日期:2013-12-05 出版日期:2014-07-24 发布日期:2014-07-24
通讯作者: 代虎（1985-），男，山西大同人, 博士研究生，主要从事空间遥感器在轨定标技术方面的研究。 E-mail:daihulove1@126.com
作者简介:代虎（1985-），男，山西大同人, 博士研究生，主要从事空间遥感器在轨定标技术方面的研究。
基金资助:
国家高技术研究发展计划（863计划）项目（NO.2011AA12A103）资助

Polarization Performance Analysis of Aerosol Polarimeter

DAI Hu1,2, YAN Chang-xiang1, ZHANG Xin-jie1

(1 Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China;
2 University of Chinese Academy of Sciences, Beijing 100049, China)

Received:2013-10-10 Revised:2013-12-05 Published:2014-07-24 Online:2014-07-24

摘要/Abstract

摘要：

为了确定非理想透镜组偏振效应和偏振片的透过轴角度误差对气溶胶偏振探测仪偏振测量精度的影响，首先，利用Jones矩阵描述透镜组的偏振效应，结合入射光相干矩阵推导了气溶胶偏振探测仪前置光学透镜组的起偏度；其次，利用Mueller矩阵方法推导了综合考虑入射光偏振态、透镜组起偏效应和偏振片透过轴方位角误差影响下的气溶胶偏振探测仪的偏振测量误差；最后，通过计算得到透镜组的起偏度和仪器的绝对偏振度测量误差。根据计算，0.67 μm通道透镜组最大起偏度和仪器最大绝对偏振测量误差分别是0.3143和0.2838；1.64 μm通道透镜组最大起偏度和仪器最大绝对偏振测量误差分别是0.3249和0.2937。结果显示，仪器的主要误差源是非理想透镜组的偏振效应，未经标定的气溶胶偏振测量仪存在严重的测量误差。

关键词: 偏振特性分析, 偏振度误差, Mueller矩阵, 透镜组起偏度, 角度误差

Abstract:

To understand the effect of polarization effect of the imperfect lens components and angle error of linear polarizers on polarimetric precision of the aerosol polarimeter, firstly, the polarization degree of lens component is deducted by combining the Jones matrix of lens component with the coherent matrix of incident beam. Secondly, the polarimetric error of the instrument is estimated by using Mueller matrix, considering all effects of the polarization states of incident beam, polarization effect of lens component and the azimuth errors of polarizers. Finally, the polarization degree of lens components and the polarimetric error of the instrument are specifically computed, respectively. At the channel of 0.67 μm, the maximum of polarization degree of the lens component and absolute polarimetric error of the instrument are 0.3143 and 0.2838, respectively. At the channel 1.64 μm, the maximum of polarization degree of the lens component and absolute polarimetric error of the instrument are 0.3249 and 0.2937respectively. It is indicated that the major error of the polarimeter arises from polarization effect of the imperfect lens components and a great error exists if the instrument is not calibrated.

Key words: polarization performance analysis, polarization degree error, Mueller matrix, polarization degree of lens, angle error

中图分类号:

代虎颜昌翔张新洁. 气溶胶偏振探测仪偏振特性分析[J]. 大气与环境光学学报, 2014, 9(4): 280-288.

DAI Hu, YAN Chang-Xiang, ZHANG Xin-Jie. Polarization Performance Analysis of Aerosol Polarimeter[J]. Journal of Atmospheric and Environmental Optics, 2014, 9(4): 280-288.

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