Changchun Institute of Optics,Fine Mechanics and Physics,CAS
The Optimization of a Convex Aspheric Lightweight SiC Mirror and Its Optical Metrology | |
P. Jiang and P. W. Zhou | |
2022 | |
发表期刊 | Photonics
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卷号 | 9期号:4页码:14 |
摘要 | Space telescopes with large diameters or with wide fields require convex secondary mirrors which are mounted at the front of telescope. In this paper, a convex aspheric lightweight SiC mirror and Hindle detection method are presented. A parameter optimization method is utilized in the mirror design process in which the mirror surface accuracy is taken as the objective. As the mirror has a relative high diameter-to-thickness ratio, an S-type flexure support is proposed to maintain the surface figure under gravity, thermal change and assembly error. To minimize the surface figure under these loads, the design principle is studied separately. The optical metrology is performed by the Hindle ball supported by a gravity offloading system. The tested surface had an accuracy of lambda/100 root mean square (lambda = 632.8 nm). In addition, the mechanical design was validated by dynamic testing. |
DOI | 10.3390/photonics9040210 |
URL | 查看原文 |
收录类别 | sci |
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/181722/66954 |
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 | P. Jiang and P. W. Zhou. The Optimization of a Convex Aspheric Lightweight SiC Mirror and Its Optical Metrology[J]. Photonics,2022,9(4):14. |
APA | P. Jiang and P. W. Zhou.(2022).The Optimization of a Convex Aspheric Lightweight SiC Mirror and Its Optical Metrology.Photonics,9(4),14. |
MLA | P. Jiang and P. W. Zhou."The Optimization of a Convex Aspheric Lightweight SiC Mirror and Its Optical Metrology".Photonics 9.4(2022):14. |
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