Heating and ionization of metal clusters in the field of an intense femtosecond laser pulse

被引：9

作者：

Kostenko, O. F. ^{[1
]}

Andreev, N. E. ^{[1
]}

机构：

[1] Russian Acad Sci, Joint Inst High Temp, Inst High Energy Dens, Moscow 125412, Russia

来源：

PLASMA PHYSICS REPORTS | 2007年 / 33卷 / 06期

基金：

俄罗斯基础研究基金会;

关键词：

D O I：

10.1134/S1063780X07060074

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

Inverse bremsstrahlung heating and thermal electron-impact ionization of a metal cluster are analyzed with account for the spatial structure of the electromagnetic field. It is shown that, for a fermosecond IR radiation pul se with an intensity of similar to 10(18) W/cm(2) and for an iron cluster with an optimum radius of similar to 25 nm, the electron temperature is higher than 1 keV. In this case, the L shell of the ions is highly stripped. The X-ray 41 bremsstrahlung yield from clusters with a radius greater than the skin depth is estimated.

引用

页码：503 / 509

页数：7

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