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题名:
Model-based optimization of gravity sagging for a horizontally mounted optical flat
作者: Quan, Haiyang1,2; Gu, Wei1,2,3; Hou, Xi1; Wu, Fan1
刊名: APPLIED OPTICS
出版日期: 2016-02-10
卷号: 55, 期号:5, 页码:993-1000
DOI: 10.1364/AO.55.000993
文章类型: Article
英文摘要: A practical and generalized model-based gravity sagging reconstruction method for a horizontally mounted optical flat is proposed. It is a practical and generalized approach based on the finite element method (FEM) model and real experiment results. Gravity sagging and misalignment parameters are retrieved by solving the multivariable unconstrained optimization problem with a least squares sense. Finally, the accurate true surface figure can be obtained by subtracting the optimized gravity sagging from the test result in the practical mounting state. A reasonable agreement with the outcomes of the FEM analysis and the real experiment is achieved through the proposed method. The effectiveness of the method was verified by comparison with the result measured by three-flat calibration. Experimental results demonstrated that this reverse optimization method can effectively reconstruct the sagging information due to gravity, is generalized, and is computationally efficient in practice. (C) 2016 Optical Society of America
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Optics
研究领域[WOS]: Optics
关键词[WOS]: 3-FLAT TEST ; MIRROR ; FIGURE
收录类别: SCI
语种: 英语
WOS记录号: WOS:000369689200008
ISSN号: 1559-128X
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/3844
Appears in Collections:光电技术研究所被WoS收录文章_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Opt & Elect, Chengdu 610209, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Univ Elect Sci & Technol China, Chengdu 610054, Peoples R China

Recommended Citation:
Quan, Haiyang,Gu, Wei,Hou, Xi,et al. Model-based optimization of gravity sagging for a horizontally mounted optical flat[J]. APPLIED OPTICS,2016,55(5):993-1000.
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