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
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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