OBSERVATION OF KL-]LL X-RAY-SATELLITES OF ALUMINUM IN FEMTOSECOND LASER-PRODUCED PLASMAS

被引：22

作者：

GAUTHIER, JC

GEINDRE, JP

AUDEBERT, P

ROUSSE, A

DOSSANTOS, A

GRILLON, G

ANTONETTI, A

MANCINI, RC

机构：

[1] ECOLE NATL SCI & TECH AVANCEES,OPT APPL LAB,F-91120 PALAISEAU,FRANCE

[2] UNIV NEVADA,DEPT PHYS,RENO,NV 89557

[3] ECOLE POLYTECH,UTILISAT LASERS INTENSES LAB,F-91128 PALAISEAU,FRANCE

来源：

PHYSICAL REVIEW E | 1995年 / 52卷 / 03期

关键词：

D O I：

10.1103/PhysRevE.52.2963

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：

The aluminum KL satellite emission spectrum excited by suprathermal electrons originating from the nonlinear interaction of a high intensity subpicosecond laser pulse with a solid target is obtained. The measured integrated intensity of the KL-->LL satellites relative to the Ka line is found to be 30% higher than in previous experiments performed with continuous, monoenergetic electron excitation. A double-vacancy creation by the shake-off process and a two step inner-shell ionization mechanism are investigated to interpret the data. An upper estimate of the preheating electron temperature is deduced from the analysis.

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页码：2963 / 2968

页数：6

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