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

Hongcai Ma; Guohao Ju; Xiaoquan Bai

doi:10.1117/12.2583206

5 November 2020 Optical design method of three-mirror anastigmatic (TMA) telescopes with curved image surface for astronomy applications

Hongcai Ma, Guohao Ju, Xiaoquan Bai

Author Affiliations +

Proceedings Volume 11570, AOPC 2020: Telescopes, Space Optics, and Instrumentation; 115700Z (2020) https://doi.org/10.1117/12.2583206
Event: Applied Optics and Photonics China (AOPC 2020), 2020, Beijing, China

Abstract

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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Hongcai Ma, Guohao Ju, and Xiaoquan Bai "Optical design method of three-mirror anastigmatic (TMA) telescopes with curved image surface for astronomy applications", Proc. SPIE 11570, AOPC 2020: Telescopes, Space Optics, and Instrumentation, 115700Z (5 November 2020); https://doi.org/10.1117/12.2583206

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