| 偏振干涉成像光谱仪通量的分析与计算 |
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| 引用本文： | 张淳民,赵葆常,相里斌,杨建峰.偏振干涉成像光谱仪通量的分析与计算[J].光学学报,2001,21(2):92-197. |
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| 作者姓名： | 张淳民 赵葆常 相里斌 杨建峰 |
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| 作者单位： | 1. 西安交通大学理学院,
2. 中国科学院西安光学精密机械研究所空间光学研究室, |
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| 基金项目： | 国家科委 86 3高科技项目，陕西省自然科学基金 |
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| 摘 要： | 论述了自行研制的偏振干涉成像光谱仪的剪切分光机理和干涉成像原理。对偏振干涉成像光谱仪的通量进行了分析和计算，推导了偏振器偏振化方向偏离理想方向时通量随偏角的变化关系。给出了最大调制度情形下的通量数值。这种偏振干涉成像光谱仪结构简单，无运动部件，能量通过率高，充分显示了超小，稳态，、大视场高通量，高调制度的优点，更加适合于航空航天遥感，野外环境操作和微弱信号探测。
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| 关 键 词： | 偏振干涉成像光谱仪 偏振化方向 通量 视场角 剪切分光机理 干涉成像原理 |
Analysis and Calculation of Throughput of the Polarization Interference Imaging Spectrometer |
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| Zhang Chunmin,ZHAO Baochang,Xiangli Bin,Yang Jianfeng.Analysis and Calculation of Throughput of the Polarization Interference Imaging Spectrometer[J].Acta Optica Sinica,2001,21(2):92-197. |
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| Authors: | Zhang Chunmin ZHAO Baochang Xiangli Bin Yang Jianfeng |
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| Abstract: | Shearing and imaging principle of the polarization interference imaging spectrometer (PIIS) are presented. Throughput of the PIIS is analyzed and calculated, the changing relation of throughput with deviation is derived under polarizer’s polarized direction deviating from the ideal direction. Throughput value in the maximum modulation depth is given. The PIIS has simple structure and no moving parts, high pass through rate of energy. It shows the advantages of ultra-compact, stationary, wide view of field, high throughput and modulation depth. It is more suitable for remote sensing of aviation and aerospace, field operation and weak signal detection. |
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| Keywords: | polarization interference imaging spectrometer polarized direction stationary wide view of field high throughput |
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