5 September 2002 Passive Q-switched operation of a LD-pumped Nd:YVO4 laser with GaAs as a passive Q-switched component and output coupler
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Abstract
Passive Q-switched operation of a LD-pumped Nd:YVO4 laser is studied with a saturable absorber GaAs as a passive Q-switched component and F-P output coupler. Q-switched pulses with pulse duration 47ns, pulse repetition rate 1183 kHz, pulse average power 430mW and beam quality M2=1.13 in a TEM00 mode were produced with Q-switched pumping threshold 1700mw. We performed numerical calculations of coupled wave equations for case of GaAs playing the role as mentioned above, discussing passive Q-switched mechanism and the dependency ofpulse duration and pulse repetition rate on pumping rate, which was well in agreement with the experiments' results. A brief and effective technique for compact Q-switched solid-state laser having multiple functions is provided.
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Qiang Liu, Qiang Liu, Mali Gong, Mali Gong, Ping Yan, Ping Yan, Weipu Jia, Weipu Jia, Ruizhen Chui, Ruizhen Chui, Dongsheng Wang, Dongsheng Wang, } "Passive Q-switched operation of a LD-pumped Nd:YVO4 laser with GaAs as a passive Q-switched component and output coupler", Proc. SPIE 4913, Semiconductor Lasers and Applications, (5 September 2002); doi: 10.1117/12.482241; https://doi.org/10.1117/12.482241
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