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Designing of supports for a 1.2 m active thin mirror
Yao, Ping1,2,3; Zhang, Xuejun1,2; Zhang, Yudong1,2; Yao, P.
Volume8415
Pages84150H
2012
Language英语
ISSN0277786X
DOI10.1117/12.970310
Indexed ByEi
Subtype会议论文
AbstractThe support systems of primary mirrors usually consist of axial supports and lateral supports. The surface of an active thin mirror is maintained through actuators on back of the mirror. The axial and lateral supports are designed for a 1.2 m thin mirror with the aspect ratio of 24. The 36 axial supports are equally distributed on three rings and normalized radiuses are 0.275, 0.583 and 0.897 respectively. The numbers of axial supports for each ring are 6, 12 and 18 respectively. Three lateral support units are equally distributed at the outer edge of the mirror. The optimum surfaces are 2.7 nm and 12 nm RMS respectively when the mirror is mounted horizontally and vertically. It's also demonstrated that the active supports could correct most of manufacture errors. © 2012 SPIE.; The support systems of primary mirrors usually consist of axial supports and lateral supports. The surface of an active thin mirror is maintained through actuators on back of the mirror. The axial and lateral supports are designed for a 1.2 m thin mirror with the aspect ratio of 24. The 36 axial supports are equally distributed on three rings and normalized radiuses are 0.275, 0.583 and 0.897 respectively. The numbers of axial supports for each ring are 6, 12 and 18 respectively. Three lateral support units are equally distributed at the outer edge of the mirror. The optimum surfaces are 2.7 nm and 12 nm RMS respectively when the mirror is mounted horizontally and vertically. It's also demonstrated that the active supports could correct most of manufacture errors. © 2012 SPIE.
Conference NameProceedings of SPIE: 6th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes
Conference Date2012
Citation statistics
Document Type会议论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/7777
Collection自适应光学技术研究室(八室)
Corresponding AuthorYao, P.
Affiliation1. Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu 610209, China
2. Key Laboratory on Adaptive Optics, Chinese Academy of Sciences, Chengdu 610209, China
3. School of Chinese Academy of Sciences, Beijing 10039, China
Recommended Citation
GB/T 7714
Yao, Ping,Zhang, Xuejun,Zhang, Yudong,et al. Designing of supports for a 1.2 m active thin mirror[C],2012:84150H.
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