500 W Nd:YAG zigzag slab MOPA laser |
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| Authors: | J. Cui Q. Liu X. Fu X. Yan H. Zhang M. Gong |
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| Affiliation: | 1. Center for Photonics and Electronics, State Key Laboratory of Tribology, Department of Precision Instruments, Tsinghua University, Beijing, 100084, China
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| Abstract: | A MOPA Nd:YAG laser with end-pumped zigzag slab architecture has been developed. 277 W laser output is obtained from the master-oscillator stage, corresponding to the average slope efficiency of 35.9% and the optical conversion efficiency of 34.6%, which emits the maximum power of 402 with 1163 W of pump power. Furthermore, the amplifier stage produces 505 W with the slope efficiency of 24% and the extraction efficiency of 25%. The beam quality is estimated as M x 2 ≈ 10, M y 2 ≈ 50 in the orthogonal directions respectively. |
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