Nonlinear dynamics of wave beams and packets in an ionizable medium

被引：1

作者：

Gildenburg, V.B. ^{[1
]}

Zharova, N.A. ^{[1
]}

Pozdnyakova, V.I. ^{[2
]}

机构：

[1] Institute of Applied Physics of the Russian Academy of Sciences, Nizhny Novgorod

[2] Institute for Physics of Microstructures of the Russian Academy of Sciences, Nizhny Novgorod

来源：

Radiophysics and Quantum Electronics | 2003年 / 46卷 / 5-6期

基金：

俄罗斯基础研究基金会;

关键词：

This work was supported by the Russian Foundation for Basic Research (project Nos. 02–02–17271 and 01–02–16575) and the Russian Academy of Sciences (grant No. 1999(6) –37);

D O I：

10.1023/A:1026307515377

中图分类号：

学科分类号：

摘要：

We present a review of the studies on nonlinear dynamics of the plasma–field system formed in the processes of breakdown of a gas by high-intensity laser or microwave radiation. The ionization instability dominating these processes significantly modifies the known effects of self-action of waves in a medium and gives rise to a number of new effects which are absent for other nonlinearity mechanisms. We describe the most important among these effects, such as the ionization–field instability of a plane wave, the self-channeling of radiation in the form of surface or leaky waves, and the self-conversion of the spectrum of the ionizing radiation. The results of numerical simulations of the dynamics of nonequilibrium freely-localized discharges created by focused microwave and laser pulses are presented. © 2003 Plenum Publishing Corporation.

引用

页码：323 / 337

页数：14

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