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A continuous-wave singly resonant optical parametric oscillator employing a volume Bragg grating as one of the end mirrors is demonstrated. Due to the high intracavity power, the minute absorption of the grating leads to the thermal induced surface deformation and reflection peak shift. In this letter, the former effect is confirmed to be a cause of beam quality degradation of the resonant signal,...
Numerical simulations for periodically poled lithium niobate (PPLN) optical parametric oscillators (OPO) with different cavity configurations are shown in this paper. The thermal effects of PPLN are investigated. The power variation caused by the mode matching in different cavity configurations and the thermal relaxation of the PPLN OPO are observed in the experiments. These results can be explained...
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