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Pressurization Actuation Based Variable Curvature Mirror Having Variable Thickness(2017)
Alternative Title气动驱动渐变厚度变曲率反射镜技术
Zhao, Hui1; Xie, Xiao-Peng1,2; Xu, Liang1; Ding, Jiao-Teng1; Liu, Mei-Ying1; Fan, Xue-Wu1; Wang, Ya-Jun1
Department空间光学应用研究室
2017-10-01
Source PublicationGuangzi Xuebao/Acta Photonica Sinica
ISSN10044213
Volume46Issue:10
Contribution Rank1
AbstractThe Finite Element Analysis(FEA)based optimization procedure aiming to obtain the optimum mirror parameters was first improved, it was found that the degradation of surface figure accuracy was mainly caused by spherical aberrations through Zernike polynomial surface fitting using 21 terms. After that, another duralumin prototype VCM (aperture 135 mm, central thickness 8mm and initial curvature radius 2 807 mm) was fabricated and tested. Because of the improvement of the fabrication process, the initial surface figure accuracy of the second mirror is superior to λ/80 (632.8 nm). When a pressure of about 0.07 MPa is imposed, the saggigus variation reaches nearly 37 μm and the corresponding surface figure accuracy is still superior to λ/40 (632.8 nm) with spherical aberrations removed. Compared with the first prototype VCM, the performance of the second one has been improved prominently. © 2017, Science Press. All right reserved.

DOI10.3788/gzxb20174610.1011002
Indexed ByEI ; CSCD
Language中文
Citation statistics
Document Type期刊论文
Identifierhttp://ir.opt.ac.cn/handle/181661/30789
Collection空间光学应用研究室
Affiliation1.Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Space Optics Lab, Xi'an,710119, China;
2.University of Chinese Academy of Sciences, Beijing,100039, China
Recommended Citation
GB/T 7714
Zhao, Hui,Xie, Xiao-Peng,Xu, Liang,et al. Pressurization Actuation Based Variable Curvature Mirror Having Variable Thickness(2017)[J]. Guangzi Xuebao/Acta Photonica Sinica,2017,46(10).
APA Zhao, Hui.,Xie, Xiao-Peng.,Xu, Liang.,Ding, Jiao-Teng.,Liu, Mei-Ying.,...&Wang, Ya-Jun.(2017).Pressurization Actuation Based Variable Curvature Mirror Having Variable Thickness(2017).Guangzi Xuebao/Acta Photonica Sinica,46(10).
MLA Zhao, Hui,et al."Pressurization Actuation Based Variable Curvature Mirror Having Variable Thickness(2017)".Guangzi Xuebao/Acta Photonica Sinica 46.10(2017).
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