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Novel THz-wave detection technique via interaction between optical pumping waves and THz-wave generated by Cherenkov phase matching

机译:通过光泵浦波与切伦科夫相位匹配产生的太赫兹波之间相互作用的新型太赫兹波检测技术

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摘要

THz-wave and optical waves in nonlinear optical process are strongly correlated. Thus, THz-wave information can be transferred to pump and signal wave. THz-wave generated by Cherenkov phase matching can be used as evanescent-probe at interface facet of the crystal. Phase shift and attenuation of reflected THz-wave has information of a sample set at the interface, so the information can be detected by optical analysis for pump and signal wave.
机译:非线性光学过程中的THz波和光波具有强烈相关。因此,可以将Thz波信息传送到泵和信号波。由Cherenkov相位匹配产生的THz波可以用作晶体接口方面的渐逝探针。反射Thz波的相移和衰减具有在接口处设置的样本的信息,因此可以通过用于泵和信号波的光学分析来检测信息。

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