Thermal effects of diode-end-pumped dual-wavelength solid-state lasers with coaxially arranged dual laser crystals

Yizhe Zheng; Kai Zhong; Kefei Liu; Hongzhan Qiao; Xianzhong Zhang; Degang Xu; Jianquan Yao

doi:10.1117/12.2601082

9 October 2021 Thermal effects of diode-end-pumped dual-wavelength solid-state lasers with coaxially arranged dual laser crystals

Yizhe Zheng, Kai Zhong, Kefei Liu, Hongzhan Qiao, Xianzhong Zhang, Degang Xu, Jianquan Yao

Author Affiliations +

Proceedings Volume 11890, Advanced Lasers, High-Power Lasers, and Applications XII; 118900W (2021) https://doi.org/10.1117/12.2601082
Event: SPIE/COS Photonics Asia, 2021, Nantong, JS, China

Abstract

Considering the impact of the pump focal position on the output characteristics in dual-wavelength lasers with coaxially arranged dual crystals, we study on the thermal effects based on two coaxial Nd:YVO₄ crystals with variable pump focal position and incident pump power theoretically and experimentally. The output characteristics and thermal focal lengths were discussed at different cavity lengths using the resonator theories and compared with the monolithic crystal. The performance of the scheme with two discrete crystals when the focal position locates deep at different cavity lengths was also researched and the advantages over single crystal were verified.

Citation Download Citation

Yizhe Zheng, Kai Zhong, Kefei Liu, Hongzhan Qiao, Xianzhong Zhang, Degang Xu, and Jianquan Yao "Thermal effects of diode-end-pumped dual-wavelength solid-state lasers with coaxially arranged dual laser crystals", Proc. SPIE 11890, Advanced Lasers, High-Power Lasers, and Applications XII, 118900W (9 October 2021); https://doi.org/10.1117/12.2601082

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