| 基于双Wollaston棱镜的偏振测量系统的精度分析 |
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| 引用本文： | 陈立刚,洪津,乔延利,孙晓兵. 基于双Wollaston棱镜的偏振测量系统的精度分析[J]. 激光技术, 2008, 32(5): 468-470 |
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| 作者姓名： | 陈立刚 洪津 乔延利 孙晓兵 |
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| 作者单位： | 中国科学院,安徽光学精密机械研究所,合肥,230031;中国科学院,安徽光学精密机械研究所,合肥,230031;中国科学院,安徽光学精密机械研究所,合肥,230031;中国科学院,安徽光学精密机械研究所,合肥,230031 |
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| 摘 要： | 为了研究航天偏振辐射计的偏振测量精度,从偏振参量的反演过程出发,结合偏振辐射定标的方法,得出Wollaston棱镜安装角度误差和因加工工艺等造成的光束非正交的角度误差对偏振测量有一定的影响。结果表明,在角度误差一定的前提下,偏振度测量误差随入射光偏振态的变化而变化;当Wollaston棱镜角度误差都控制在0.1°内,偏振度测量精度满足航天偏振辐射计的指标要求。
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| 关 键 词： | 测量与计量 信息光学 偏振度 Wollaston棱镜 遥感技术 |
| 收稿时间： | 2007-07-05 |
| 修稿时间： | 2007-11-15 |
Accuracy Analysis of Polarimetric Measurement Based on Double Wollaston Prisms |
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| CHEN Li-gang,HONG Jin,QIAO Yan-li,SUN Xiao-bing. Accuracy Analysis of Polarimetric Measurement Based on Double Wollaston Prisms[J]. Laser Technology, 2008, 32(5): 468-470 |
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| Authors: | CHEN Li-gang HONG Jin QIAO Yan-li SUN Xiao-bing |
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| Affiliation: | CHEN Li-gang,HONG Jin,QIAO Yan-li,SUN Xiao-bing(Anhui Institute of Optics , Fine Mechanics,Chinese Academy of Sciences,Hefei 230031,China) |
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| Abstract: | In order to study the requirements of space polarizing radiometer on measurement accuracy of degree of polarization,the influence of angular error of Wollaston prism on degree of polarization is presented based on the inversion of the polarization parameters and the method of the radiometric calibration.The results show that measurement errors of degree of polarization change with polarization state of incident light while keeping angular error of Wollaston prism fixed.Measurement accuracy of degree of pola... |
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| Keywords: | measurement and metrology information optics degree of polarization Wollaston prism remote sensing |
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