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The Thin Mirror Deformation and Stress Distribution Analysis Based on Different Influence Functions
Wang, Hongqiao; Fan, Bin; Wu, Yongqian; Liu, Haitao; Liu, Rong; Wang, HQ (reprint author), Chinese Acad Sci, Inst Opt & Elect, Chengdu 610209, Peoples R China.
Volume9281
Pages92811W
2014
Language英语
ISSN0277-786X
DOI10.1117/12.2069101
Subtype会议论文
AbstractThe active support technique can be applied in the fabrication of large thin meniscus mirror. It can reduce the grinding and polishing difficulty for thin mirror. Compare between two kinds of influence function, we correct the Zernike 5th, 6th, 10th and 11th mode deformation. The low-order Zernike modes which are prone to appearing during large primary mirror processing are revised with active support technology. Influence functions are expressed with Z coordinate value and Zernike coefficient of surface shape. This paper reports that respectively adopting different influence functions to solve correction forces and the correction forces compensates specific Zernike modes of mirror deformation. After comparing the PV and RMS values of amendatory residual of surface shape, we analyze the effect of different correction forces to the biggest stress on the underside of the primary mirror. We compare the two methods based on the PV and RMS values of the residual error and the Max-stress. Gain a conclusion that correction forces obtained from Z coordinate value of surface shape is superior to the one obtained from the Zernike coefficient of surface shape.; The active support technique can be applied in the fabrication of large thin meniscus mirror. It can reduce the grinding and polishing difficulty for thin mirror. Compare between two kinds of influence function, we correct the Zernike 5th, 6th, 10th and 11th mode deformation. The low-order Zernike modes which are prone to appearing during large primary mirror processing are revised with active support technology. Influence functions are expressed with Z coordinate value and Zernike coefficient of surface shape. This paper reports that respectively adopting different influence functions to solve correction forces and the correction forces compensates specific Zernike modes of mirror deformation. After comparing the PV and RMS values of amendatory residual of surface shape, we analyze the effect of different correction forces to the biggest stress on the underside of the primary mirror. We compare the two methods based on the PV and RMS values of the residual error and the Max-stress. Gain a conclusion that correction forces obtained from Z coordinate value of surface shape is superior to the one obtained from the Zernike coefficient of surface shape.
Conference NameProceedings of SPIE: 7TH INTERNATIONAL SYMPOSIUM ON ADVANCED OPTICAL MANUFACTURING AND TESTING TECHNOLOGIES: ADVANCED OPTICAL MANUFACTURING TECHNOLOGIES
Conference Date2014
Citation statistics
Document Type会议论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/7610
Collection先光中心
Corresponding AuthorWang, HQ (reprint author), Chinese Acad Sci, Inst Opt & Elect, Chengdu 610209, Peoples R China.
Affiliation1.[Wang, Hongqiao
2.Fan, Bin
3.Wu, Yongqian
4.Liu, Haitao
5.Liu, Rong] Chinese Acad Sci, Inst Opt & Elect, Chengdu 610209, Peoples R China
Recommended Citation
GB/T 7714
Wang, Hongqiao,Fan, Bin,Wu, Yongqian,et al. The Thin Mirror Deformation and Stress Distribution Analysis Based on Different Influence Functions[C],2014:92811W.
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