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Study on an active correction algorithm of primary mirror
Dai, Xiaolin1,2,3; Xian, Hao1,2; Zhang, Xuejun1,2; Zhang, Yudong1,2
Source Publication1757-8981
Volume242
Issue1
Pages012086
2017
Language英语
Indexed ByEi
AbstractThe effects of active correction for the telescopes' primary mirrors are often degraded because the axial fixed points of the primary mirrors usually aren't able to perform active correction. This paper analyzes this problem and proposes a modified active correction algorithm to eliminate the adverse influence of the axial fixed points. We use a 1.2m thin mirror to simulate the modified algorithm, it shows the modified algorithm can significantly eliminate the adverse influence of the fixed points and improve the mirror's active correction effect: the fitting error of the 1.2m thin mirror on the 5th Zernike aberration reduces from 13nm to 1.6nm, the fitting errors for other Zernike aberrations also significantly reduce. © Published under licence by IOP Publishing Ltd.
KeywordAberrations - Manufacture
Conference NameIOP Conference Series: 2017 3rd International Conference on Applied Materials and Manufacturing Technology, ICAMMT 2017
EI Classification Number2017-2143
Document Type会议论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/9011
Collection自适应光学技术研究室(八室)
Affiliation1.Key Laboratory of Adaptive Optics, Chinese Academy of Sciences, 1 Xiahanggang Ave., Chengdu, China;
2.Institute of Optics and Electronics, Chinese Academy of Sciences, 1 Xihanggang Ave., Chengdu, China;
3.University of Chinese Academy of Sciences, Beijing, China
Recommended Citation
GB/T 7714
Dai, Xiaolin,Xian, Hao,Zhang, Xuejun,et al. Study on an active correction algorithm of primary mirror[C],2017:012086.
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