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1. 发明申请

WO2016205565A1 GAS VISUALIZING METHODS AND SYSTEMS WITH BIREFRINGENT POLARIZATION INTERFEROMETER 审中-公开
标题翻译：气体可视化方法和系统与双向偏振干涉仪
公开(公告)号：WO2016205565A1
公开(公告)日：2016-12-22
申请号：PCT/US2016/037933
申请日：2016-06-16
申请人： FLIR SYSTEMS AB , FLIR SYSTEMS, INC.
发明人： SANDSTEN, Jonas , SJUNNEBO, Joakim
IPC分类号： G01J3/453 , G01J3/28 , G01J9/02 , G01J3/02
CPC分类号： G01J3/2823 , G01B9/02001 , G01B9/02041 , G01B9/02089 , G01J3/0208 , G01J3/4531 , G01J9/0215 , G01J2003/2826
摘要： Systems and methods disclosed herein provide for gas imaging. A gas imaging system comprises a lenslet array configured to receive thermal radiation from a scene and transmit a plurality of substantially identical sub-images of the thermal radiation; a birefringent polarization interferometer configured to generate an optical path difference for each ray of the plurality of sub-images based on a respective position of each ray entering the BPI, the optical path differences combining to form an interference fringe pattern; and an infrared focal plane array configured to capture a thermal image of the plurality of sub-images modulated by the interference fringe pattern due to the optical path differences through the BPI. The captured thermal image may represent a plurality of interferogram sample points of the thermal radiation from the scene, and may be used to construct a plurality of hyperspectral images of the thermal radiation from the scene.
摘要翻译：本文公开的系统和方法提供气体成像。一种气体成像系统，包括配置成接收来自场景的热辐射并透射多个基本相同的所述热辐射的子图像的小透镜阵列; 双折射偏振干涉仪，其被配置为基于进入所述BPI的每个射线的相应位置产生所述多个子图像中的每个射线的光程差，所述光路差组合以形成干涉条纹图案; 以及红外焦平面阵列，被配置为捕获由于通过BPI的光路差异而被干涉条纹图案调制的多个子图像的热图像。捕获的热图像可以表示来自场景的热辐射的多个干涉图样本点，并且可以用于构建来自场景的热辐射的多个高光谱图像。

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