Continuous-wave dual-wavelength operation of a diode-pumped Nd:GdVO4 laser at the 1063 & 1071 nm, 1063 & 1083 nm and 1083 &1086 nm wavelength pairs

Abstract

We have demonstrated what we believe is the first report on the three continuous-wave dual-wavelength operation regimes of a diode-pumped Nd:GdVO4 laser using a single birefringent filter plate. The dual-wavelength operation was achieved at the 1063 & 1071 nm, 1063 & 1083 nm and 1083 & 1086 nm by changing the rotation angle of the birefringent filter plate. The maximum output powers were 2.52 W, 1.09 W and 0.8 W, respectively. This corresponds to the optical-to-optical efficiency of 18.8%, 26.6% and 19.5%, respectively, using the absorbed pump power data.