Clarkson, W.A., Koch, R. and Hanna, D.C.
Room-temperature diode-bar-pumped Nd:YAG laser at 946nm
Optics Letters, 21, (10), . (doi:10.1364/OL.21.000737).
Efficient, high-power operation of a diode-bar-pumped Nd:YAG laser on the quasi-three-level transition at 946nm is reported. Longitudinal pumping of a simple folded-cavity by a 20 W diode bar, using a two-mirror beam-shaper to re-format the bar's output, yields a continuous-wave output power at room temperature of ~3 W in a 1.5 times diffraction-limited beam for 13.6 W of incident pump power. The corresponding optical slope efficiency was approximately 32%.
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