A high accuracy assembling method of R-C system based on reverse optimization method

Yamei Yin; Yong Liu; Xiaohua Hou; Peng Wang

doi:10.1117/12.3009535

29 December 2023 A high accuracy assembling method of R-C system based on reverse optimization method

Yamei Yin, Yong Liu, Xiaohua Hou, Peng Wang

Author Affiliations +

Proceedings Volume 12976, Eighth Asia Pacific Conference on Optics Manufacture and Third International Forum of Young Scientists on Advanced Optical Manufacturing (APCOM and YSAOM 2023); 129761V (2023) https://doi.org/10.1117/12.3009535
Event: 8th Asia Pacific Conference on Optics Manufacture & 3rd International Forum of Young Scientists on Advanced Optical Manufacturing, 2023, Shenzhen, China

Abstract

R-C optical systems have been widely used in long focal length imaging and long-distance detection fields such as aerospace, remote sensing, exploration, and space optical communication. However, the significant wavefront aberration in the edge fields of R-C optical system always restrict the imaging system in a small field of view. In this paper, the improved R-C optical system is composed of two reflective mirrors as well as three refractive elements, which can correct off-axis aberrations in large fields of view, enable the large field of view imaging. For the high accuracy assembly, optical centering assembling technology based on optical imaging principle is applied to ensure the coaxiality between the optical axis of optical element and the rotation axis of corresponding machine part. And the reverse optimization method is carried out to compensated the wavefront aberration introduced by misalignment errors. Finally, the testing optimization result of system wavefront aberration with RMS value of center of view is 0.045λ (λ=0.6328nm), and the RMS value of off-axis field better than 0.08λ can be achieved.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Yamei Yin, Yong Liu, Xiaohua Hou, and Peng Wang "A high accuracy assembling method of R-C system based on reverse optimization method", Proc. SPIE 12976, Eighth Asia Pacific Conference on Optics Manufacture and Third International Forum of Young Scientists on Advanced Optical Manufacturing (APCOM and YSAOM 2023), 129761V (29 December 2023); https://doi.org/10.1117/12.3009535

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KEYWORDS

Mirrors

Wavefront aberrations

Imaging systems

Optical components

Lenses

Wavefront errors

Aberration correction

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