K α radiation of foil under interaction with laser pulse of relativistic intensity

被引：6

作者：

Andreev, A. A. ^{[1
]}

Platonov, K. Yu. ^{[1
]}

机构：

[1] SI Vavilov State Opt Inst, St Petersburg 199034, Russia

来源：

OPTICS AND SPECTROSCOPY | 2011年 / 110卷 / 01期

基金：

俄罗斯基础研究基金会;

关键词：

Laser Radiation; Laser Intensity; Fast Electron; Conversion Coefficient; Free Path Length;

D O I：

10.1134/S0030400X11010024

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

An analytical model of K (alpha) radiation of thin laser targets has been developed. It has been shown that, for such targets, the motion of fast electrons is significant not only in the target itself but also in vacuum. The considered dependences for the free path length of a fast electron and for the absorption coefficient of laser radiation on the laser intensity with allowance for the electron motion in vacuum make it possible to match the results of the proposed model with the experimental data on generation of K (alpha) radiation in wide ranges of laser intensities (10(18)-10(21) W/cm(2)) and thicknesses (1-100 mu m) of targets.

引用

页码：20 / 23

页数：4

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