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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
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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.
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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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KEYWORDS
Crystals
Thermal effects
Laser crystals
Neodymium lasers
Absorption
Solid state lasers
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