Design of an infrared three-mirror optical system with large relative aperture

Yu Bai; Sheng Liao; Hua Li; Tingwen Xing; Yadong Jiang

doi:10.1117/12.2031691

30 August 2013 Design of an infrared three-mirror optical system with large relative aperture

Yu Bai, Sheng Liao, Hua Li, Tingwen Xing, Yadong Jiang

Proceedings Volume 8910, International Symposium on Photoelectronic Detection and Imaging 2013: Imaging Spectrometer Technologies and Applications; 891009 (2013) https://doi.org/10.1117/12.2031691
Event: ISPDI 2013 - Fifth International Symposium on Photoelectronic Detection and Imaging, 2013, Beijing, China

Abstract

Reflective optics is used widely in optical systems for their achromatization, large aperture and lightweight compared with refractive systems.An infrared three-mirror optical system with large relative aperture working in the 8～12 micron long wavelength infrared band is designed by using four reflective mirrors. The design principle, design results are described in this paper. The system has a field of view with 1.41°. The MTF of the system is diffraction-limited and the distortion is less than 0.5%. The image quality is evaluated for each field,which shows that the design makes a good system with high image quality.

Citation Download Citation

Yu Bai, Sheng Liao, Hua Li, Tingwen Xing, and Yadong Jiang "Design of an infrared three-mirror optical system with large relative aperture", Proc. SPIE 8910, International Symposium on Photoelectronic Detection and Imaging 2013: Imaging Spectrometer Technologies and Applications, 891009 (30 August 2013); https://doi.org/10.1117/12.2031691

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