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Coherent Four-Wave Mixing in Excited and Ionized Gas Media: Four-Photon Spectrochronography, Ellipsometry, and Nonlinear-Optical Imaging of atoms and ions

机译:激发和电离气体介质中的相干四波混合:原子和离子的四光子光谱计时法,椭圆偏振法和非线性光学成像

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摘要

A review of the main directions of development, the most promising new techniques, and urgent applications of coherent four-photon methods of investigation of excited and ionized gas media is presented. It is demonstrated that the methods of coherent four-wave mixing (FWM) provide important spectrochronographic information on atoms and ions, allow selective studies of separate components of nonstationary gas and plasma systems with a complex composition using polarization-sensitive four-photon spectroscopy and coherent ellipsometry, and permit nonlinear-optical imaging of the spatial distribution of atoms and ions in excited gases and plasmas.
机译:概述了发展的主要方向,最有希望的新技术以及相干四光子方法研究激发和电离气体介质的紧迫应用。结果表明,相干四波混合(FWM)方法提供了有关原子和离子的重要光谱学信息,允许使用偏振敏感四光子光谱和相干法选择性研究具有复杂成分的非平稳气体和等离子体系统的各个成分椭圆光度法,并可以对激发气体和等离子体中原子和离子的空间分布进行非线性光学成像。

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