Optical design method of three-mirror anastigmatic (TMA) telescopes with curved image surface for astronomy applications

被引：1
|
作者：
Ma, Hongcai [1 ]
Ju, Guohao [1 ]
Bai, Xiaoquan [1 ,2 ]
机构：
[1] Chinese Acad Sci, Changchun Inst Opt Fine Mech & Phys, Key Lab Space Opt Syst On Orbit Mfg & Integrat, Changchun 130033, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
来源：
AOPC 2020: TELESCOPES, SPACE OPTICS, AND INSTRUMENTATION | 2020年 / 11570卷
基金：
美国国家科学基金会;
关键词：
astronomy telescope; three-mirror anastigmatic; curved image surface; design method; ABERRATION FIELDS; ADVANTAGES;
D O I：
10.1117/12.2583206
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
A systematic design method for three-mirror anastigmatic (TMA) telescopes with curved image surface is proposed in this paper. The initial structure parameters are solved analytically by the paraxial optical theory and Seidel aberration theory. On this basis, the design method is introduced. Two design examples for on-axis TMA telescope are conducted. One example is curved image surface for mitigate defocus during fine stabilization operations. The other example is curved image surface for configuration design with low misalignment sensitivities. The results demonstrate the feasibility of the design method.
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页数：6
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