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空间调制干涉成像光谱仪相对时间调制型干涉成像光谱仪具有稳定性强、实时性好、小型化、费用低等特点,Wollaston棱镜分光系统的参数设计直接关系到光谱仪性能的优劣,针对Wollaston棱镜分光原理展开分析和计算,给出不同材料Wollaston棱镜在不同结构角条件下分束角与波长的关系以及不同波长条件下入射角与棱镜厚度的关系,给出了选择和设计Wollaston分光棱镜的一些原则,为可应用于航天遥感的空间调制干涉成像光谱仪的设计及研制提供理论依据。
Spatial Modulation Interferometric Imaging Spectrometer Relatively time modulated interferometric imaging spectrometer has the advantages of strong stability, good real-time, small size and low cost. The parameter design of the Wollaston prism spectroscopy system is directly related to the performance of the spectrometer. For the Wollaston prism spectroscopy principle The relationship between beam splitting angle and wavelength under different structural angle conditions and the relationship between incident angle and prism thickness under different wavelength are given. Some principles of selecting and designing Wollaston dichroic prism are given. It provides a theoretical basis for the design and development of the space-modulated interferometric imaging spectrometer that can be applied to space remote sensing.