Abstract
In this paper, we report the performance of a diode-pumped cryogenic Tm (5 at %), Ho (0.5 at %):GdVO4 laser with an RTP pockel cell Q-switch at different pulse repetition rate including 300 Hz, 500 Hz, 1 kHz, and 10 kHz. At the pump power of 6.96 W, the maximum output of 1.7 mJ with a pulse width of 28 ns was achieved under 300 Hz repetition rate, corresponding to a peak power of 61 kW. To the best of our knowledge, this is the first time that RTP was used as a Q-switch generator in the 2 μm Tm,Ho:GdVO4 laser.
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