The basic research on phase-diversity phase retrieval in testing the large-aperture telescope

Xinxue Ma; Jianli Wang; Bin Wang; Limei Yin

doi:10.1117/12.2504863

11 January 2019 The basic research on phase-diversity phase retrieval in testing the large-aperture telescope

Xinxue Ma, Jianli Wang, Bin Wang, Limei Yin

Proceedings Volume 10837, 9th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes; 1083708 (2019) https://doi.org/10.1117/12.2504863
Event: Ninth International Symposium on Advanced Optical Manufacturing and Testing Technologies (AOMATT2018), 2018, Chengdu, China

Abstract

Large-aperture telescope with its high spatial resolution and high light gathering capability plays an important role in military, astronomy and other fields. The demand for large aperture imaging telescope is increasingly urgent, the aperture becomes larger and larger, and the splicing main mirror has become the development trend of large-aperture telescope which brings great challenges to the optical processing and testing. This paper proposes phase-diversity phase retrieval technology which can provide a strong basis for the online testing of the future larger diameter astronomical telescope optical system and solve the difficulties in the detection of optical systems in large-aperture telescopes. Therefore, this study has important practical significance and application value in the online testing of the large-aperture telescope optical system.

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Xinxue Ma, Jianli Wang, Bin Wang, and Limei Yin "The basic research on phase-diversity phase retrieval in testing the large-aperture telescope", Proc. SPIE 10837, 9th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes, 1083708 (11 January 2019); https://doi.org/10.1117/12.2504863

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KEYWORDS

Telescopes

Image restoration

Imaging systems

Phase retrieval

Space telescopes

James Webb Space Telescope

Mirrors

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