Abstract

A compact, high-power, high-repetition-rate Q-switched laser oscillator is presented in this paper. Adopting the acousto-optics Q-switching mechanism, the maximum output power of 57W of 1064nm fundamental wave at 200kHz is obtained under 110W 888nm pumping. The stable working range extends from 30 to 250kHz, while the beam quality factor M2 is smaller than 1.30. Subsequently, based on the 42W of fundamental wave with the beam quality better than 1.10, 29.5W of 532nm green laser and 18W of 355nm ultraviolet wave are achieved.

© 2012 Optical Society of America

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