Review of loss measurement methods for high reflectivity mirrors

Hao Liu; Yunzheng Wang; Yuchuan Quan; Zhongqi Tan

doi:10.1117/12.2605304

13 December 2021 Review of loss measurement methods for high reflectivity mirrors

Hao Liu, Yunzheng Wang, Yuchuan Quan, Zhongqi Tan

Proceedings Volume 12070, 10th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirror and Telescopes; 120700M (2021) https://doi.org/10.1117/12.2605304
Event: Tenth International Symposium on Advanced Optical Manufacturing and Testing Technologies (AOMATT 2021), 2021, Chengdu, China

Abstract

In recent years, with the development of ultra-smooth surface polishing technology and extremely low-loss coating technology, the reflectivity of high-reflectivity mirror has become higher and higher, and the loss has become lower and lower. The high-reflectivity mirrors with total loss below 10^-5 Even 10^-6 have been commercialized. At the same time, measurement methods for the loss of high-reflectivity mirrors are constantly evolving. This article summarizes the loss measurement methods for high-reflectivity mirrors and the latest research progress at home and abroad, gives the principle of mainstream methods for high-reflectivity mirrors loss measurement, and introduces the measurement method for total loss and the various individual loss which make up it, including scatter, absorption and transmissions loss. What’s more, corresponding advantages and disadvantages are summarized.

Citation Download Citation

Hao Liu, Yunzheng Wang, Yuchuan Quan, and Zhongqi Tan "Review of loss measurement methods for high reflectivity mirrors", Proc. SPIE 12070, 10th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirror and Telescopes, 120700M (13 December 2021); https://doi.org/10.1117/12.2605304

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