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Proceedings Paper

Stray light analysis of the Formosat-5 telescope
Author(s): Ting-Ming Huang; Cheng-Fang Ho; Po-Han Huang; Yu-Chuan Lin; Shenq-Tsong Chang
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Paper Abstract

Stray light analysis of FormoSat-5 telescope has been studied. The geometric contour profiles of the baffles are determined by checking the degree of blocked direct-incidence stray light. Trade-off between different baffle contours has been made by comparing the direct-incidence stray light, incident energy ratio, and incident energy uniformity of the focal plane assembly (FPA). Detail studies have then performed on the contribution of the stray light due to direct incidence, scattering from components, and multi-reflection between optical components. The effect of the FPA structure is also considered since it is the component adjacent the most to the FPA. In addition, the tolerance of the baffles fabrication and assembly are introduced.

Paper Details

Date Published: 15 October 2012
PDF: 7 pages
Proc. SPIE 8491, Optical System Alignment, Tolerancing, and Verification VI, 84910A (15 October 2012); doi: 10.1117/12.930221
Show Author Affiliations
Ting-Ming Huang, Instrument Technology Research Ctr. (Taiwan)
Cheng-Fang Ho, Instrument Technology Research Ctr. (Taiwan)
Po-Han Huang, Instrument Technology Research Ctr. (Taiwan)
Yu-Chuan Lin, Instrument Technology Research Ctr. (Taiwan)
Shenq-Tsong Chang, Instrument Technology Research Ctr. (Taiwan)

Published in SPIE Proceedings Vol. 8491:
Optical System Alignment, Tolerancing, and Verification VI
José Sasián; Richard N. Youngworth, Editor(s)

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