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27 February 2009 Slab lasers and second harmonic generation in near field
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Abstract
We reported all-solid-state double Nd:YLF and Nd:YAG slab laser and their efficient frequency doubling in near field. With two Nd:YLF slabs fundamental laser pulse energy of 24 mJ and 15mJ pulse energy at 523 nm were obtained at a 1.0 kHz repetition rate. The pulse length at 1047nm and 523 nm was 7.1ns and 5.5 ns. The peak power is around 3MW. The corresponding conversion efficiency was 62.3%. With two Nd:YAG slabs average q-switched fundamental output of 169 W at 10 KHz was obtained. 93 W of second harmonic at 10 KHz with a pulse width of 10.7 ns was achieved. The efficiency of SHG was up to 57%.
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Daijun Li, Peng Zhu, Zhe Ma, Rüdiger Haas, Alexander Schell, Peng Shi, and Keming Du "Slab lasers and second harmonic generation in near field", Proc. SPIE 7193, Solid State Lasers XVIII: Technology and Devices, 71930C (27 February 2009); https://doi.org/10.1117/12.812126
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