R & D of high-power optical cavity at Tsinghua

Xing Liu; Xinyi Lu; Huan Wang; Lixin Yan; Renkai Li; Wenhui Huang; Chuanxiang Tang

doi:10.1117/12.2651632

15 December 2022 R & D of high-power optical cavity at Tsinghua

Xing Liu, Xinyi Lu, Huan Wang, Lixin Yan, Renkai Li, Wenhui Huang, Chuanxiang Tang

Proceedings Volume 12478, Thirteenth International Conference on Information Optics and Photonics (CIOP 2022); 124780V (2022) https://doi.org/10.1117/12.2651632
Event: Thirteenth International Conference on Information Optics and Photonics (CIOP 2022), 2022, Xi'an, China

Abstract

Optical cavity always acts as a valuable tool for basic research and diagnostics. By using a steady-state microbunching (SSMB) technique, a cavity for a new light source is created. We present a continuous-wave optical cavity relying on a steady-state microbunching (SSMB) mechanism for a new light source. A beam evolution model is established to calculate the final beam size under different power with the help of ABCD matrics and Winkler model. A planar four-mirror cavity has been developed using a continuous-wave laser injection system with minimum phase noise. The modal instability effect is found as a result of the surface thermoelastic deformation of cavity mirrors. To eliminate the high-order modes, a pair of D-shaped mirrors are used and 30 kW intra-cavity power is obtained.

Citation Download Citation

Xing Liu, Xinyi Lu, Huan Wang, Lixin Yan, Renkai Li, Wenhui Huang, and Chuanxiang Tang "R & D of high-power optical cavity at Tsinghua", Proc. SPIE 12478, Thirteenth International Conference on Information Optics and Photonics (CIOP 2022), 124780V (15 December 2022); https://doi.org/10.1117/12.2651632

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