Continuous-wave intracavity Raman generation inPbWO₄ crystal in the Nd:YVO₄ laser

Abstract

Continuous-wave Raman generation on PbWO 4 crystal placed in the cavity of an end-diode-pumped Nd:YVO 4 laser is demonstrated. The Raman threshold was measured as 0.9 W of the laser-diode power. The highest output power obtained at the first Stokes wavelength 1177 nm was 178 mW at the laser diode power of 2.3 W, corresponding to the slope efficiency of 13%. The Stokes beam quality M 2 did not exceed 1.7.