Changchun Institute of Optics,Fine Mechanics and Physics,CAS
Equivalent thin-plate method for stressed mirror polishing of an off-axis aspheric silicon carbide lightweight mirror | |
L. Q. Yi,X. J. Zhang,H. F. Hu,Z. Y. Zhang,X. F. Zeng,X. Luo,D. L. Xue and G. Zhang | |
2020 | |
发表期刊 | Optics Express
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ISSN | 1094-4087 |
卷号 | 28期号:24页码:36413-36431 |
摘要 | No physical model of stressed mirror polishing, based on the small deflection and deformation of elastic thin plates, has been applied in processing lightweight mirrors. We propose an equivalent thin-plate method for the stressed loading of lightweight mirrors for the first time. Stressed loading and polishing of an aspheric lightweight mirror are simulated using the small-deflection deformation theory of an elastic thin plate. We simulate off-axis aspheric silicon carbide (SiC) lightweight mirrors with three different structures, determining the corresponding equivalent thickness plate in a lightweight structure with a nearly uniform surface density distribution and isotropic bending properties. We then establish a residual removal model of a stressed polishing surface, design the stressed loading equipment, and propose an iterative method for stressed polishing of an off axis aspheric SiC lightweight mirror. The results demonstrate that it is feasible to choose a lightweight structure that performs full-aperture stressed polishing on off axis aspheric lightweight mirrors consisting of SiC or other materials. (C) 2020 Optical Society of America under the terms of the OSA Open Access Publishing Agreement |
DOI | 10.1364/oe.410759 |
URL | 查看原文 |
收录类别 | SCI ; EI |
语种 | 英语 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.ciomp.ac.cn/handle/181722/64501 |
专题 | 中国科学院长春光学精密机械与物理研究所 |
推荐引用方式 GB/T 7714 | L. Q. Yi,X. J. Zhang,H. F. Hu,Z. Y. Zhang,X. F. Zeng,X. Luo,D. L. Xue and G. Zhang. Equivalent thin-plate method for stressed mirror polishing of an off-axis aspheric silicon carbide lightweight mirror[J]. Optics Express,2020,28(24):36413-36431. |
APA | L. Q. Yi,X. J. Zhang,H. F. Hu,Z. Y. Zhang,X. F. Zeng,X. Luo,D. L. Xue and G. Zhang.(2020).Equivalent thin-plate method for stressed mirror polishing of an off-axis aspheric silicon carbide lightweight mirror.Optics Express,28(24),36413-36431. |
MLA | L. Q. Yi,X. J. Zhang,H. F. Hu,Z. Y. Zhang,X. F. Zeng,X. Luo,D. L. Xue and G. Zhang."Equivalent thin-plate method for stressed mirror polishing of an off-axis aspheric silicon carbide lightweight mirror".Optics Express 28.24(2020):36413-36431. |
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