Diode-pumped passively Q-switched intracavity frequency doubled Nd:GdVO4/KTP green laser |
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Authors: | Jie Liu Jimin Yang Jingliang He |
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Affiliation: | Department of Physics, Shandong Normal University, Jinan 250014, China |
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Abstract: | A compact diode-pumped passively Q-switched intracavity frequency-doubled Nd:GdVO4/KTP green-pulse laser was demonstrated, using Cr4+:YAG as a saturable absorber in a simple flat–flat cavity. With a 5.9 W incident pump power, a passively Q-switched green laser was obtained with an average power of 397 mW, repetition rate of 40 kHz, and pulse width of 40 ns, when the initial transmission of Cr4+:YAG was 85%. The shortest pulse width of 30 ns, the highest green peak power of 696 W and the maximum pulse energy of 21 μJ were obtained when the initial transmission of Cr4+:YAG was 70%. Under CW green operation, we obtained 440 mW output power. |
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Keywords: | Diode-pumped Passively Q-switched Green laser Nd:GdVO4 |
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