A high-accuracy assembling method of R-C system with  flexible support structure

Yamei Yin; Yun Chen; Xing Qin; ZhiGuo Li; JiaChun Zhou

doi:10.1117/12.3047649

13 November 2024 A high-accuracy assembling method of R-C system with flexible support structure

Yamei Yin, Yun Chen, Xing Qin, ZhiGuo Li, JiaChun Zhou

Proceedings Volume 13280, Advanced Optical Manufacturing Technologies and Applications 2024; and Fourth International Forum of Young Scientists on Advanced Optical Manufacturing (AOMTA and YSAOM 2024); 132800S (2024) https://doi.org/10.1117/12.3047649
Event: Second Conference on Advanced Optical Manufacturing Technologies and Applications & Fourth Forum of Young Scientists on Advanced Optical Manufacturing, 2024, Xi'an, China

Abstract

R-C optical systems commonly used in long focal length imaging, long-distance detection fields such as aerospace and space optical communication. In this paper, the R-C optical system consists of two reflective mirrors and four correction lenses. The primary mirror adopts three sets of flexible structures for back support, which can provide a reasonable access to reduce the influence of the mirror's self-weight and thermal distortion on the mirror surface. For the high accuracy assembly, the simulation has been conducted firstly by sensitivity matrix method to figure out the sensitive components and corresponding geometrical parameters about the focal length, wavefront aberration, and energy concentration and an assembling method is proposed. Experiment is carried out to demonstrate the feasibility of the proposed calibration method, for the wavefront aberration with RMS value of center of view is 0.17λ (λ=0.6328nm), and the diameter of spot dispersion about center field of view is 12.35μm, the diameter of spot dispersion in full field of view better than 18μm can be achieved.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Yamei Yin, Yun Chen, Xing Qin, ZhiGuo Li, and JiaChun Zhou "A high-accuracy assembling method of R-C system with flexible support structure", Proc. SPIE 13280, Advanced Optical Manufacturing Technologies and Applications 2024; and Fourth International Forum of Young Scientists on Advanced Optical Manufacturing (AOMTA and YSAOM 2024), 132800S (13 November 2024); https://doi.org/10.1117/12.3047649

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KEYWORDS

Mirrors

Wavefront aberrations

Wavefront errors

Matrices

Reflection

Geometrical optics

Mirror surfaces

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