Abstract

A diode-pumped passively Q-switched Nd:Lu0.15Y0.85VO4 crystal laser at 1.34 μm with V:YAG employed as the saturable absorber was demonstrated for the first time to our best knowledge. The maximum average output power of 0.529 W was achieved under the pump power of 5.6 W, corresponding to an opticaloptical conversion efficiency of over 9.4% and slope efficiency of over 16%. The pulse width was shortened to 85.6 ns, corresponding to the maximum pulse repetition rate of 250 kHz. The largest single pulse energy and peak power were 5.57 μJ and 58.74 W, respectively.

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