Mid-infrared, wide-tunable, continuous-wave Nd:YVO4/PPMgLN intracavity optical parametric oscillator
2014
Abstract We obtain a continuous-wave (CW) Nd:YVO 4 /PPMgLN intracavity singly resonant optical parametric oscillator (ISRO). The threshold value of the CW-ISRO system is only 2.8 W at 808 nm. When the pump power is 5.5 W, an idle laser output power of 410 mW, and a signal laser output power of 345 mW have been achieved. By changing the grating periods of the domain structure on the PPMgLN wafer, we enable a wide-tunable mid-infrared spectrum of 2.95–4.16 μm and near-infrared spectrum of 1.43–1.66 μm.
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