Optical design of wide-angle catadioptric lens for LWIR earth sensors

RongSheng Qiu; Wei Dou; JinYan Kan; Kun Yu; Hao Wu; Jixing Yang

doi:10.1117/12.2285721

24 October 2017 Optical design of wide-angle catadioptric lens for LWIR earth sensors

RongSheng Qiu, Wei Dou, JinYan Kan, Kun Yu, Hao Wu, Jixing Yang

Proceedings Volume 10462, AOPC 2017: Optical Sensing and Imaging Technology and Applications; 1046254 (2017) https://doi.org/10.1117/12.2285721
Event: Applied Optics and Photonics China (AOPC2017), 2017, Beijing, China

Abstract

Using progressive design method, we designed and built a wide field of view (FOV) catadioptric lens for LWIR earth sensors in the 14 to 16 μm range. The prototype lens is compatible with 640×480 uncooled FPA and 25 microns pixel pitch. Its full field of view is 170° and F number is 0.86. The f-theta distortion is less than 1%. Besides, the system works well during a temperature range of -40°C~+60°C.

Citation Download Citation

RongSheng Qiu, Wei Dou, JinYan Kan, Kun Yu, Hao Wu, and Jixing Yang "Optical design of wide-angle catadioptric lens for LWIR earth sensors", Proc. SPIE 10462, AOPC 2017: Optical Sensing and Imaging Technology and Applications, 1046254 (24 October 2017); https://doi.org/10.1117/12.2285721

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