24 October 2017 Influence of axial temperature distribution to optical parametric gain in CW-OPO
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Proceedings Volume 10457, AOPC 2017: Laser Components, Systems, and Applications; 104572A (2017) https://doi.org/10.1117/12.2284792
Event: Applied Optics and Photonics China (AOPC2017), 2017, Beijing, China
Abstract
We use the fiber-pumped MgO:PPLN crystal to realize the MIR CW-OPO operation, and observe the nonuniform temperature distribution on the central axis of the crystal. Then we use the heat transfer model in COMSOL software to simulate the temperature distribution in the crystal and find the near linear temperature gradient on the central axis of the crystal. Input the axial temperature distribution to our SRO model based on MATLAB and the simulation results show that the linear axial temperature gradient distribution will not only cause the center wavelength shift of the signal light, but also reduce the parametric gain of the signal light, the uniform temperature along the crystal axis will get the maximum gain. This feature limits the prospect of the single OPO in high-power narrow linewidth laser.
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Xiaotian Cai, Xiaotian Cai, Xiao Li, Xiao Li, Guomin Zhao, Guomin Zhao, } "Influence of axial temperature distribution to optical parametric gain in CW-OPO", Proc. SPIE 10457, AOPC 2017: Laser Components, Systems, and Applications, 104572A (24 October 2017); doi: 10.1117/12.2284792; https://doi.org/10.1117/12.2284792
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