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中文摘要：
论述了视场扩大型成像光谱仪的核心部件——组合Wollaston棱镜的结构和分光机理;应用波法线追迹法分析了光在任意方位入射面内,以任意角入射时组合Wollaston棱镜中的波矢传播规律;推导出了光在棱镜中的传播方向及出射点坐标;给出了传播过程中e光和o光之间光程差的理论表达式;采用计算机模拟,给出了光程差随入射角和入射面方位角的变化曲线;在此基础上对组合Wollaston棱镜扩大光谱仪视场的原理进行了深入分析和讨论.上述研究对偏振干涉成像光谱技术的理论研究与技术创新,对自行设计的稳态大视场偏振干涉成像光谱仪的研制和应用都有着十分重大的理论与实践意义.
英文摘要：
The principle of beam splitting of spectrometer based on the combination of two Wollaston prisms and a half-wave plate is presented. The propagation track of light wave in the combination is analysed by wave normal-tracing method at random incidence angle and the formulas of the path difference between the e and o wave normal are deduced. Computer simulations are carried out to explain why the combination can increase the field of view of spectrometer. The results will provide a very important theoretical basis for the study of polarization interference imaging spectrum technology and the development of static large field of view polarization interference imaging spectrometer developed by us.
同期刊论文项目
同项目期刊论文
Analysis of signal-to-noise ratio of ultra-compact static polarization interference imaging spectrom
Analysis of the lateral displacement and optical path difference in wide-field-view polarization int
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