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Influence and control of spherical aberration in polishing off-axis aspherical mirrors by the stressed method
Jiang Zi Bo1,2,3; Li Xin Nan1,2; Yu Bin Bin1,2; Zheng Yi1,2; Li Bo1,2
2015-01
Source PublicationAPPLIED OPTICS
Volume54Issue:2Pages:291-298
Abstract
The redundant spherical aberration of deformation can be caused by the weight of the stressed mirror polishing (SMP) apparatus in the continuous polishing (CP) process, and the elastic model to correct the spherical aberration by exerting center lateral loading is proposed. Subsequently, the analytic solution of mirror deformation is given by using a piecewise method. Next, the variation trend of mirror deformation with the loading force and the loading area size by the center lateral loading method is discussed.

Following corresponding simulation calculation is carried out using finite element analysis (FEA) software. And the FEA result is compared with analytical solution. The experiment for the edge-loading force case is accomplished. Furthermore, a comparison between theoretical calculation and experiment results is provided. All of these verify the validity of the theoretical model and the analytic solution.

Finally, we introduce another method called the bending mirror technique for correcting additional spherical aberration of mirror deformation, calculating and acquiring the optimum inner radius for bending and the corresponding surface residual error.
KeywordOptical Fabrication Polishing Aspherics Astronomical Optics
Subject Area天文技术与方法
Language英语
Document Type期刊论文
Identifierhttp://ir.niaot.ac.cn/handle/114a32/1188
Collection中国科学院南京天文光学技术研究所_期刊论文
大口径光学技术研究室_期刊论文
Affiliation1.Nanjing Institute of Astronomical Optics & Technology
2.Key Laboratory of Astronomical Optics & Technology, Chinese Academy of Sciences
3.Graduate University of Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Jiang Zi Bo,Li Xin Nan,Yu Bin Bin,et al. Influence and control of spherical aberration in polishing off-axis aspherical mirrors by the stressed method[J]. APPLIED OPTICS,2015,54(2):291-298.
APA Jiang Zi Bo,Li Xin Nan,Yu Bin Bin,Zheng Yi,&Li Bo.(2015).Influence and control of spherical aberration in polishing off-axis aspherical mirrors by the stressed method.APPLIED OPTICS,54(2),291-298.
MLA Jiang Zi Bo,et al."Influence and control of spherical aberration in polishing off-axis aspherical mirrors by the stressed method".APPLIED OPTICS 54.2(2015):291-298.
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