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Research on key technical issues of contact method for large diameter off-axis aspheric segments
ZiBo Jiang1,2; XinNan Li1,2; YongJun Liang1,2; Bo Li1,2; BinBin Yu1,2; Zhe Chen1,2
2016-07-22
会议名称SPIE Vol.9912
会议日期2016-6-26
会议地点Edinburgh, United Kingdom
摘要
The research works are summarized for Φ1.1m off-axis aspheric segments which are scaled-down TMT segments polished by NIAOT using SMAP (Stressed Mirror Annular Polishing) method in the previous phase and testing preparations for 1.44m mirrors.

The detailed introduction is given on result of errors analysis in contact detection testing of segments. In the second part, the selected basis of sampling number for contact-type detector arrays and the terms number of Zernike polynomials we need are studied.

And the situations on orthogonality destruction of Zernike polynomials in discrete points sampling case and spectral analysis for each order Spherical aberrations in continuous sampling are introduced.
关键词Stressed Mirror Annular Polishing Off-axis Aspherical Mirror Contact Detection Error Analysis Polynomials Orthogonality
学科领域天文技术与方法
语种英语
文献类型会议论文
条目标识符http://ir.niaot.ac.cn/handle/114a32/1373
专题会议论文
作者单位1.南京天文光学技术研究所
2.中国科学院天文光学重点实验室
推荐引用方式
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ZiBo Jiang,XinNan Li,YongJun Liang,et al. Research on key technical issues of contact method for large diameter off-axis aspheric segments[C],2016.
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