Stray light analysis for the SurfCam

Jihun Kim; Minsup Jeong; Minbae Kim; Young-Jun Choi; Sungsoo S. Kim; Dukhang Lee; Bongkon Moon; Dae-Hee Lee; Seonghwan Choi; Chae Kyung Sim; Jehyuck Shin; Seul-Min Baek; Mingyeong Lee

doi:10.1117/12.3016902

17 June 2024 Stray light analysis for the SurfCam

Jihun Kim, Minsup Jeong, Minbae Kim, Young-Jun Choi, Sungsoo S. Kim, Dukhang Lee, Bongkon Moon, Dae-Hee Lee, Seonghwan Choi, Chae Kyung Sim, Jehyuck Shin, Seul-Min Baek, Mingyeong Lee

Author Affiliations +

Proceedings Volume 13019, Optical Design and Engineering IX; 1301905 (2024) https://doi.org/10.1117/12.3016902
Event: SPIE Optical Systems Design, 2024, Strasbourg, France

Abstract

The Korea Astronomy and Space Science Institute (KASI) is developing GrainCams as a candidate payload for NASA's Commercial Lunar Payload Services (CLPS) mission. GrainCams consists of two cameras designed for scientific research on the lunar regolith and levitating particulates. One of them is LevCam, which observes the motion of levitating dust over the lunar surface. The other is SurfCam, a camera intended for observing the uppermost regolith on the lunar surface. The purpose of SurfCam is to get knowledge of the regolith on the lunar surface and obtain 3D images of the micro-structures through image processing with a micro-lens array (MLA). SurfCam consists of 1 cover window, 12 spherical lenses, and MLA. All optics use space-qualified glass material to carry out a one-lunar-day mission on the moon. Optical and mechanical designs have been developed so far, and an analysis of how stray light affects the overall system has been conducted. In this paper, I will describe the analysis of ghosting and scattering effects in SurfCam through stray light analysis.

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(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

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Jihun Kim, Minsup Jeong, Minbae Kim, Young-Jun Choi, Sungsoo S. Kim, Dukhang Lee, Bongkon Moon, Dae-Hee Lee, Seonghwan Choi, Chae Kyung Sim, Jehyuck Shin, Seul-Min Baek, and Mingyeong Lee "Stray light analysis for the SurfCam", Proc. SPIE 13019, Optical Design and Engineering IX, 1301905 (17 June 2024); https://doi.org/10.1117/12.3016902

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