Stray light analysis and optical design improvement of visible light detection camera on space platform

Yu Zhang; Huiping Zhang; Fang Han; Haiyang Ding; Jiyang Shang

doi:10.1117/12.2602735

9 October 2021 Stray light analysis and optical design improvement of visible light detection camera on space platform

Yu Zhang, Huiping Zhang, Fang Han, Haiyang Ding, Jiyang Shang

Proceedings Volume 11895, Optical Design and Testing XI; 118950Y (2021) https://doi.org/10.1117/12.2602735
Event: SPIE/COS Photonics Asia, 2021, Nantong, JS, China

Conference Poster

Abstract

When the spatial visible light camera images the detection target, non-imaged light in the space also reaches the imaging surface through the lens, forming an image on the detector. Some of the light is imaged on the image surface after multiple reflections inside the lens. These non-target images affect the image quality of the camera. In severe cases, the camera may not work properly. In order to reduce the influence of stray light on the imaging system and improve the imaging performance of the camera, firstly, the generation mechanism of stray light in the visible light system is analyzed, and the stray light suppression measures are proposed. Secondly, the system is then analyzed using ZEMAX software. The optical system design of the camera with the previous stray light problem was improved, and the stray light modeling analysis was performed on the improved result, and finally the space reconnaissance camera that satisfies the use requirements was obtained.

Citation Download Citation

Yu Zhang, Huiping Zhang, Fang Han, Haiyang Ding, and Jiyang Shang "Stray light analysis and optical design improvement of visible light detection camera on space platform", Proc. SPIE 11895, Optical Design and Testing XI, 118950Y (9 October 2021); https://doi.org/10.1117/12.2602735

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