Continuous-wave Raman generation on PbWO4 crystal placed in the cavity of an end-diode-pumped Nd:YVO4 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 M2 did not exceed 1.7.
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Orlovich et al. (2005) studied this question.
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