The role of the prepulse in cluster heating by a high-power femtosecond laser pulse

被引：0
|
作者：
T. Auguste
P. D’Oliveira
S. Hulin
P. Monot
J. Abdallah
A. Ya. Faenov
I. Yu. Skobelev
A. I. Magunov
T. A. Pikuz
机构：
[1] Service des Photons Atomes et MolÉcules,CEA, Centre D’Etudes de Saclay, DSM/DRECAM
[2] Los Alamos National Laboratory,undefined
[3] VNIIFTRI Center for Multicharged Ion Spectrum Data,undefined
来源：
Journal of Experimental and Theoretical Physics Letters | 2000年 / 72卷
关键词：
52.50.Jm; 52.25.Nr; 32.30.Rj;
D O I：
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中图分类号：
学科分类号：
摘要：
The interaction of a 60-fs laser pulse with argon clusters was experimentally studied. It is shown that cluster heating by an intense femtosecond pulse preceded by a picosecond prepulse can produce plasma whose ionization state is determined by the prepulse properties, while the mean energy of hot electrons is determined by the main pulse intensity. A simple model of cluster plasma evolution is suggested, allowing an adequate description of its X-ray emission.
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页码：38 / 41
页数：3
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