Mid- and long-waveband infrared imaging system design

Yun-Cui Zhang; Long Liu; Feroza Begum; Guan-Ying Cao; Jing-Hui Zhang; Yi Yang; Nian-Yu Zou

doi:10.1117/12.833459

30 October 2009 Mid- and long-waveband infrared imaging system design

Yun-Cui Zhang, Long Liu, Feroza Begum, Guan-Ying Cao, Jing-Hui Zhang, Yi Yang, Nian-Yu Zou

Proceedings Volume 7494, MIPPR 2009: Multispectral Image Acquisition and Processing; 74940M (2009) https://doi.org/10.1117/12.833459
Event: Sixth International Symposium on Multispectral Image Processing and Pattern Recognition, 2009, Yichang, China

Abstract

A dual-waveband infrared re-imaging system has been designed with less lens number and short system length. The properties of re-imaging system to correct chromatic aberration have been researched. The main parameters of this system include F number, focal length, diameter, dual waveband, and imaging plane size are 2,000 mm, 200 mm, 3-5 μm /8-12 μm, and 9.3 mm × 12.4 mm, respectively. After design the average modulation value of all fields of view is 0.60 at 10lp/mm, and the difference between limited diffractive system and actual system is less than 0.3. The ray aberration has been corrected at the center wavelength 5 μm. The focal length varies with wavelength around 400 mm, and gets 400 mm exactly at 4 μm and 10 μm.

Citation Download Citation

Yun-Cui Zhang, Long Liu, Feroza Begum, Guan-Ying Cao, Jing-Hui Zhang, Yi Yang, and Nian-Yu Zou "Mid- and long-waveband infrared imaging system design", Proc. SPIE 7494, MIPPR 2009: Multispectral Image Acquisition and Processing, 74940M (30 October 2009); https://doi.org/10.1117/12.833459

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