Design and analysis of lightweight double-sided mirrors

Taotao Ren; Jun Yang; Liang Hu; Huan Li; Jie Zhou

doi:10.1117/12.3037172

4 December 2024 Design and analysis of lightweight double-sided mirrors

Taotao Ren, Jun Yang, Liang Hu, Huan Li, Jie Zhou

Author Affiliations +

Proceedings Volume 13283, Conference on Spectral Technology and Applications (CSTA 2024); 132833T (2024) https://doi.org/10.1117/12.3037172
Event: Conference on Spectral Technology and Applications (CSTA 2024), 2024, Dalian, China

Abstract

A study was conducted on the main four double-sided mirrors in a coaxial total reflective lens for a certain long wave infrared imaging. Two schemes of double-sided mirrors were designed to meet the weight reduction requirements, and a lightweight design was carried out for the double-sided mirrors; Modal analysis was conducted on two types of double-sided mirrors, indicating sufficient stiffness and good resistance to gravity deformation; Analyzed the mirror surface shape under pre tightening force of screws, indicating that double-sided mirrors have good deformation resistance; Option one was selected for the processing and testing of the reflector, and the surface RMS and PV met the design requirements; Finally, a random vibration test was conducted on the imaging system containing a double-sided mirror, and the visual axis jitter was within the specified range, indicating that the designed lightweight double-sided mirror meets the requirements for use.

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

Citation Download Citation

Taotao Ren, Jun Yang, Liang Hu, Huan Li, and Jie Zhou "Design and analysis of lightweight double-sided mirrors", Proc. SPIE 13283, Conference on Spectral Technology and Applications (CSTA 2024), 132833T (4 December 2024); https://doi.org/10.1117/12.3037172

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