High-efficiency continuous-wave and Q-switched diode-end-pumped multi-wavelength Nd:YAG lasers |
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| Authors: | Yu-E Hou Jing-Liang He |
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| Affiliation: | a National Laboratory of Solid State Microstructures and Department of Physics, Nanjing University, 22 Hankou Road, Nanjing 210093, China
b The State Key Laboratory of Crystal Material, Shandong University, Ji’nan 250100, China |
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| Abstract: | We demonstrate high-efficiency diode-end-pumped multi-wavelength Nd:YAG lasers for continuous-wave and Q-switched operation. For the continuous-wave case, the Nd:YAG laser oscillates at 1.06 and 1.3 μm simultaneously; the maximum output power of 2.0 W (M2 = 1.3) and 3.6 W (M2 = 1.8) have been achieved at the incident pump power of 20.3 W, with the respective average slope efficiencies of 12.0% and 21.4%, for the lines of 1.06 and 1.3 μm, respectively. For the Q-switched operation, we achieve the average output power of 1.3 W (M2 = 2.7) at 1.06 μm and 2.0 W (M2 = 3.0) at 1.3 μm with the corresponding peak power of 10.2 and 4.2 kW under an incident pump power of 20.3 W. |
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| Keywords: | 42.55.Xi 42.60.Gd 42.60.Pk 42.70.Hj |
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