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Nonlinear mirror based on cross-polarized wave generation

机译:基于交叉极化波产生的非线性镜

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摘要

We present a new type of nonlinear mirror based on the generation of a cross-polarized wave through a nonresonant electronic third-order process. It is characterized by a reflection coefficient that depends on the input intensity. Its behavior results from the interference between the nonlinearly generated cross-polarized wave and a pi/2 phase-retarded wave. This setup has a lot of advantages: it does not require any phase matching, it is achromatic and suitable for femtosecond pulses, linear losses are easily adjustable, and the overall behavior is predictable. The device has been experimentally tested using BaF_(2) and YVO_(4) crystals.
机译:我们提出了一种新型的非线性反射镜,它基于通过非共振电子三阶过程产生的交叉极化波。它的特点是反射系数取决于输入强度。它的行为是由非线性产生的交叉极化波和pi / 2相位延迟波之间的干扰引起的。这种设置具有很多优点:它不需要任何相位匹配,它是消色差的,适用于飞秒脉冲,线性损耗易于调节,整体性能可预测。该设备已使用BaF_(2)和YVO_(4)晶体进行了实验测试。

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