Abstract
LD pumped dual-wavelength lasers have great application potential in scientific and technical scopes. In this paper, we reported a novel dual-wavelength laser by combining Nd:YVO4 and Nd:CTGAS crystals. For 1064 nm and 1068 nm dual-wavelength laser operation, the maximum continuous-wave output power was 929 mW, corresponding to an optical conversion efficiency of 38.7 %. With a Cr:YAG crystal as the saturable absorber, the maximum passively Q-switched output power was 239 mW, giving a shortest pulse width of 20.8 ns and an optical conversion efficiency of 17.1 %.
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