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Comparison of frequency-resolved optical polarization gating induced by molecular alignment and Kerr effects

机译:分子比对和克尔效应诱导的频率分辨光偏振门控的比较

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摘要

We experimentally demonstrated that both the electronic Kerr effect and the molecular alignment in gaseous molecules could be applied as transient gates to diagnose 400 nm target pulses. Their birefringence dissimilarity was clearly visualized by the measured spectrogram and retrieved gate function. In the atomic gas argon, a relatively weak and instantaneous cross phase modulation within the pulse duration was observed, while in the molecular gas N_(2), the delayed rotational Raman excitation played a dominative role.
机译:我们通过实验证明,电子克尔效应和气态分子中的分子排列都可以用作瞬态门,以诊断400 nm目标脉冲。通过测量的频谱图和检索到的门函数,可以清楚地看到它们的双折射差异。在原子气体氩中,观察到脉冲持续时间内相对较弱的瞬时交叉相位调制,而在分子气体N_(2)中,延迟旋转拉曼激发起主导作用。

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