Abstract
A continuous wave (CW), extra-cavity singly resonant optical parametric oscillator (SRO) has been demonstrated. The SRO is based on 5% magnesium-oxide doped periodically-poled lithium niobate (MgO:PPLN) pumped by a CW Nd:YVO4/YVO4 ring laser centered at 1064.4 nm. The nonlinear crystal temperature is kept at 120.0 ± 0.1°C and a domain period of 30 μm is used in this experiment. When the pump power is 11 W, an output power of 2.0 W at the idler wavelength of 3.479 μm has been obtained from the OPO. The optical-optical conversion efficiency is about 18.2%, and the slope efficiency is about 20.8%.
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Zhao, J.Q., Yao, B.Q., Duan, X.M. et al. Continuous wave, singly resonant MgO:PPLN OPO pumped by a Nd:YVO4/YVO4 ring laser. Laser Phys. 20, 1598–1602 (2010). https://doi.org/10.1134/S1054660X10130220
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DOI: https://doi.org/10.1134/S1054660X10130220