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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
Conference Name3rd International Conference on Photonics and Optical Engineering
Source PublicationThird International Conference on Photonics and Optical Engineering
Volume11052
Conference Date2018-12-05
Conference PlaceXi'an, China
PublisherSPIE
Contribution Rank1
AbstractIn 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.
Department空间光学应用研究室
DOI10.1117/12.2521897
Indexed ByEI
ISBN9781510627796
Language英语
ISSN0277786X;1996763X
EI Accession Number20190806535050
Citation statistics
Document Type会议论文
Identifierhttp://ir.opt.ac.cn/handle/181661/31279
Collection空间光学应用研究室
Affiliation1.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
Recommended Citation
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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