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Ho:YAG Laser Pumped Walk-off Compensated Mid-Infrared ZGPOptical Parametric Oscillation

机译:Ho:YAG激光泵浦补偿补偿的中红外ZGP光学参量振荡

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We have demonstrated a novel folded linear resonator for walk-off compensated (WOC) optical parametric oscillation (OPO) in a single ZGP crystal. The OPO uses the doubled ZGP crystal length in a WOC configuration while simplifying requirements on crystal alignment. With a Q-switched Ho:YAG laser as a pump source, a maximum output power of 2 W at a wavelength of 4.72 μm has been measured for a pump power of 11.9 W in a 15-mm long type-I phase-matched ZGP crystal. The measured OPO quantum slope efficiency is above 50%.
机译:我们已经展示了一种新颖的折叠式线性谐振器,用于在单个ZGP晶体中进行失步补偿(WOC)光学参量振荡(OPO)。 OPO在WOC配置中使用了两倍的ZGP晶体长度,同时简化了对晶体对准的要求。使用Q开关Ho:YAG激光器作为泵浦光源,在15毫米长的I型相位匹配ZGP中,对于11.9 W的泵浦功率,在4.72μm的波长下测得的最大输出功率为2 W水晶。测得的OPO量子斜率效率高于50%。

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