Abstract

It is reported in this paper that a cavity-dumped electro-optically $Q$-switched Tm:LuAG oscillator offers a unique combination of high power, constant short pulse duration, and high repetition rate at a wavelength of 2012.7 nm. The constant short pulse durations of 3 ns were achieved by the cavity-dumped technology at different repetition rates from 60 to 100 kHz. An average power of 1.22 W and a peak power of 4.1 kW were obtained at a repetition rate of 100 kHz and an incident pump power of 42.3 W, corresponding to the slope efficiency of 6% and beam quality factor of $M^2\sim 1.4$. In addition, the accumulation time of intracavity photons from 500 to 1000 ns was studied for the performance of the output characteristic.

© 2016 Optical Society of America

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