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
收藏
页码：503 / 509
页数：7
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