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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
Conference NameSPIE Vol.9912
Conference Date2016-6-26
Conference PlaceEdinburgh, United Kingdom
Abstract
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.
KeywordStressed Mirror Annular Polishing Off-axis Aspherical Mirror Contact Detection Error Analysis Polynomials Orthogonality
Subject Area天文技术与方法
Language英语
Document Type会议论文
Identifierhttp://ir.niaot.ac.cn/handle/114a32/1373
Collection中国科学院南京天文光学技术研究所_会议论文
大口径光学技术研究室_会议论文
Affiliation1.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
Recommended Citation
GB/T 7714
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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