Chinese Optics Letters, 2014, 12 (3): 031404, Published Online: Mar. 17, 2014
High power diode-side-pumped 1 112-nm Nd:YAG laser based on master-oscillator power-amplifier system 
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Abstract
We demonstrate a high power high beam quality diode-pumped 1 112-nm Nd:YAG master-oscillator poweramplifier (MOPA) laser system. To increase the extraction efficiency and output power, a four-pass amplifier scheme is employed. Finally, the injected laser output power is amplified from 26 to 64 W with beam quality factor M2=2.85. Furthermore, a theoretical model that takes the temporal overlap inversion number dynamics into account is employed to analyze the performance of the MOPA laser system, and a good agreement with the experimental data is obtained.
Biaolong Liu, Zhichao Wang, Feng Yang, Zhimin Wang, Yong Bo, Hongtao Yuan, Lei Yuan, Baoshan Wang, Jialin Xu, Yading Guo, Qinjun Peng, Jingyuan Zhang, Dafu Cui, Zuyan Xu. High power diode-side-pumped 1 112-nm Nd:YAG laser based on master-oscillator power-amplifier system[J]. Chinese Optics Letters, 2014, 12(3): 031404.
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