, Volume 81, Issue 4, pp 521-524

Efficient pulse operation of Nd:GdVO4 laser with AO Q-switch

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Abstract

We realized an efficient laser diode-pumped Nd:GdVO4 laser with crystals grown by the floating zone method. In the lasing experiment, a slope efficiency of 78% was achieved with a 1 at.% Nd-doped crystal by pumping at 879 nm. Furthermore, excellent pulsed laser operation was demonstrated with the Nd:GdVO4 crystal by using an acousto-optical (AO) Q-switch. A pulse width of 7 ns was observed when the pulse-repetition frequency was 40 kHz. It is the shortest pulse width recorded in the case of the AO Q-switched Nd:GdVO4 laser.