Long wavelength infrared dual field-of-view optical system

Tao Xiong; Chang-cheng Yang

doi:10.1117/12.783338

14 November 2007 Long wavelength infrared dual field-of-view optical system

Tao Xiong, Chang-cheng Yang

Proceedings Volume 6722, 3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies; 67222O (2007) https://doi.org/10.1117/12.783338
Event: 3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes, 2007, Chengdu, China

Abstract

For cooled 320×240 staring focal plane array (FPA), a novel long wavelength infrared dual field-of-view optical system is presented in the paper. The optical system is composed of re-imaging part and zooming part. The parameters of the system are 1.96 f/number, 100% cold shield efficiency, 180mm/60mm effective focal length (EFL) and 8-10 μm spectrum region. The optical system is analyzed from two modes of narrow field of view (NFOV) and wide field of view (WFOV). The system can be used in the temperature range from-30°Cand 60°C without significant degradation of optical performance. The final test results prove the designed performance is good..

Citation Download Citation

Tao Xiong and Chang-cheng Yang "Long wavelength infrared dual field-of-view optical system", Proc. SPIE 6722, 3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies, 67222O (14 November 2007); https://doi.org/10.1117/12.783338

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