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Proceedings Paper

Primary mirror back surface shape research of GEO laser communication system
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Paper Abstract

The research of laser communication system primary mirror deformation caused by back surface shape variation was done in this paper. The usual mirror back surface shapes were sphere, double arch, flat and biconcave shape and so on. Based on the four shape mirror, with the center hole rim support pattern, the four shape mirror temperature distribution equation was inferred by thermal elastic theory, deformation are compared in 1-5℃ radius direction temperature difference, in the case of minor weight gap and equal maximum thickness. As a result, the deformation of sphere back surface shape mirror is minimal. So sphere back surface shape is fit for the primary mirror.

Paper Details

Date Published: 5 November 2015
PDF: 5 pages
Proc. SPIE 9795, Selected Papers of the Photoelectronic Technology Committee Conferences held June–July 2015, 97951A (5 November 2015); doi: 10.1117/12.2214848
Show Author Affiliations
Weida Liu, Changchun Univ. of Science and Technology (China)
Li-zhong Zhang, Changchun Univ. of Science and Technology (China)
Li-xin Meng, Changchun Univ. of Science and Technology (China)


Published in SPIE Proceedings Vol. 9795:
Selected Papers of the Photoelectronic Technology Committee Conferences held June–July 2015
Shenggang Liu; Songlin Zhuang; Michael I. Petelin; Libin Xiang, Editor(s)

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