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Athermalization for the supporting structure of space camera primary and secondary mirrors
Lin, Shangmin1; Wang, Hu1; Liu, Yang1; Xue, Yaoke1; Xiang, Binbin2; Liu, Jie1; Xie, Yongjie1; Liu, Meiying1,3; Wu, Liquan3
2019
会议名称3rd International Conference on Photonics and Optical Engineering
会议录名称Third International Conference on Photonics and Optical Engineering
卷号11052
会议日期2018-12-05
会议地点Xi'an, China
出版者SPIE
产权排序1
摘要

In order to meet the requirements of high-precision alignment of primary and secondary mirrors of space camera in thermal environment, we develop a new supporting structure which can eliminate heat affect between mirrors automatically. Through the simulation analysis, we have verified this structural design is feasible. According to requirements of the optical system, an integrated machining scheme with three-bar supporting structure for the secondary mirror is proposed. The automatic athermalization of the primary and secondary mirrors supporting structure is confirmed by structural analysis and optimization. The displacement between the primary mirror and secondary mirrors in the thermal environment range of-20° ? +60°C is analyzed by using the PATRAN software, and the results show the position change is within 0.01mm. The structural size of the secondary mirror supporting cylinder is optimized, and the effect of stray light suppression for the multilayer sleeve visor is analyzed and verified by using the TRACEPRO software. The results show that the proposed structural design can achieve the high stability of the primary and secondary mirrors supporting structure and the good effect of stray light suppression. ? 2019 SPIE.

作者部门空间光学技术研究室
DOI10.1117/12.2521897
收录类别EI ; CPCI
ISBN号9781510627796
语种英语
ISSN号0277786X;1996763X
WOS记录号WOS:000464740100029
EI入藏号20190806535050
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型会议论文
条目标识符http://ir.opt.ac.cn/handle/181661/31279
专题空间光学技术研究室
作者单位1.Xi'An Institute of Optics and Precision Mechanics, CAS, Xi'an; 710119, China;
2.Xinjiang Astronomical Observatory, CAS, Urumqi; 830011, China;
3.University of CAS, Beijing; 100049, China
推荐引用方式
GB/T 7714
Lin, Shangmin,Wang, Hu,Liu, Yang,et al. Athermalization for the supporting structure of space camera primary and secondary mirrors[C]:SPIE,2019.
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