In this letter we reported a LD end-pumped high power Nd:GdVO4 microchip laser. With a 0.5 at.%, 1.5 mm, T = 1% Nd:GdVO4 crystal, 10.1 W maximum output was achieved, corresponding an optical-optical conversion efficiency of 42.3%. The pump threshold was as low as 0.21 W.
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Liao et al. (2008) studied this question.
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