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Difference frequency generation of 5-18μm in a AgGaSe↓(2) crystal

机译:AgGaSe↓(2)晶体中5-18μm的差分频率生成

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Mid-infrared radiation in the 5-18-μm range has been obtained by difference frequency generation in a AgGaSe↓(2) crystal by pumping with the output of a type I LiNbO↓(3) optical parametric oscillator (OPO). Here we suggest the use of a LiTaO↓(3) retarder to achieve an orthogonal state of polarization between OPO that are necessary for efficient pumping of a AgGaSe↓(2) crystal. Several tens of kilowatts of peak outputs power near 8 ↓m and continuously tunable operation in the above range have been obtained. # 1988 Optical Society of America OCIS codes: 190.0190, 140.3600, 260.5430, 130.3730.
机译:通过泵浦I型LiNbO↓(3)光学参量振荡器(OPO)的输出,通过在AgGaSe↓(2)晶体中产生差频,获得了5-18μm范围的中红外辐射。在这里,我们建议使用LiTaO↓(3)缓凝剂来实现OPO之间正交的极化状态,这对于有效泵浦AgGaSe↓(2)晶体是必需的。在8↓m附近可获得数十千瓦的峰值输出功率,并且在上述范围内可连续调节运行。 #1988年美国光学学会OCIS编码:190.0190、140.3600、260.5430、130.3730。

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