Abstract
By using a pump recycling configuration, we presented a high efficient diode-pumped Tm:YLF laser with a volume Bragg grating. When the incident pump power was 33.1 W, a maximum output power of 11.1 W at 1907.8 nm with full width at half maximum of 0.6 nm was obtained. The slope efficiency with respect to the incident pump power was 44.8%, and the optical-to-optical efficiency was 33.5%. In addition, the VBG-based Tm:YLF laser was employed as a pumping source of Ho:YAG laser, the maximum output power of 4.7 W with a slope efficiency of 67.0% was obtained, corresponding to Tm-to-Ho conversion efficiency of 51.6%.
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Duan, X.M., Yao, B.Q., Li, G. et al. Efficient Tm:YLF laser with a volume Bragg grating recycle pumped by laser diode. Laser Phys. 19, 2163–2167 (2009). https://doi.org/10.1134/S1054660X09230133
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DOI: https://doi.org/10.1134/S1054660X09230133