Abstract

We describe a Q-switched Er:GdVO<sub>4</sub> laser resonantly pumped by a MgO-doped periodically poled LiNbO<sub>3</sub> optical parametric oscillator (MgO: PPLN OPO) at 1 536 nm. In continuous-wave lasing, the maximum output power is 1.14 Wwith an incident pump power of 4.7 Wand a slope efficiency of 27%. In <i>Q</i>-switched operation, 1.1 mJ of output pulse energy is achieved at 200 Hz. The upper-state lifetime at different pulse repetition frequencies is also calculated.

© 2013 Chinese Optics Letters

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