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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
2017
会议名称IOP Conference Series: 2017 3rd International Conference on Applied Materials and Manufacturing Technology, ICAMMT 2017
会议录名称1757-8981
卷号242
期号1
页码012086
摘要The 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.
关键词Aberrations - Manufacture
收录类别Ei
语种英语
EI分类号2017-2143
文献类型会议论文
条目标识符http://ir.ioe.ac.cn/handle/181551/9011
专题自适应光学技术研究室(八室)
作者单位1.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
推荐引用方式
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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