Development progress of UV enhanced gold-based reflectors suitable for large telescopes

Jinfeng Wang; Jinhao Lu; Jie Tian; Duo Xie

doi:10.1117/12.3020957

26 August 2024 Development progress of UV enhanced gold-based reflectors suitable for large telescopes

Jinfeng Wang, Jinhao Lu, Jie Tian, Duo Xie

Proceedings Volume 13100, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation VI; 1310066 (2024) https://doi.org/10.1117/12.3020957
Event: SPIE Astronomical Telescopes + Instrumentation, 2024, Yokohama, Japan

Abstract

Due to the large number of sub-mirrors for very large telescope, the recoating is heavy workload, so the reflector needs to take into account the film efficiency and life. Based on the requirements of China's great telescope, we carried out the experimental research on UV-enhanced silver reflective film system. The contents include the design of UV-enhanced silver reflective film system, the UV- enhanced silver reflective film system plating process, and the film life and environmental stability verification tests. The experimental results show that the method is successful in broadening the silver film to the ultraviolet band. It can greatly improve the lifetime and environmental stability of the film, and is suitable for application to extremely large splicing astronomical telescope.

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

Citation Download Citation

Jinfeng Wang, Jinhao Lu, Jie Tian, and Duo Xie "Development progress of UV enhanced gold-based reflectors suitable for large telescopes", Proc. SPIE 13100, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation VI, 1310066 (26 August 2024); https://doi.org/10.1117/12.3020957

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