Atomic Processes in Plasmas Created by an Ultra-short Laser Pulse

被引：0
|
作者：
Audebert, P. [1 ]
Lecherbourg, L. [1 ,2 ]
Bastiani-Ceccotti, S. [1 ]
Geindre, J. -P. [1 ]
Blancard, C. [3 ]
Cosse, P. [3 ]
Faussurier, G. [3 ]
Shepherd, R. [4 ]
Renaudin, P.
机构：
[1] Univ Paris 06, Ecole Polytech, Lab Utilisat Lasers Intenses, CNRS,CEA,UMR 7605, F-91128 Palaiseau, France
[2] Univ Quebec, INRS Energie materiaux, Varennes, PQ, Canada
[3] CEA DAM Ile de France, Dept Phys Theorique Appliquee, F-91680 Bruyeres Le Chatel, France
[4] Lawrence Livermore Natl Lab, POB 5508, Livermore, CA 94550 USA
来源：
5TH INTERNATIONAL CONFERENCE ON INERTIAL FUSION SCIENCES AND APPLICATIONS (IFSA2007) | 2008年 / 112卷
关键词：
D O I：
10.1088/1742-6596/112/4/042001
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：
Point projection K-shell absorption spectroscopy has been used to measure absorption spectra of transient aluminum plasma created by an ultra-short laser pulse. 1s-2p and 1s-3p absorption lines of weakly ionized aluminum were measured for an extended range of densities in a relatively low-temperature regime. Independent plasma characterization was obtained from frequency domain interferometry (FDI) diagnostic and allows the interpretation of the absorption spectra in terms of spectral opacities. The experimental spectra are compared with opacity calculations using the density and temperature inferred from the analysis of the FDI data.
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页数：4
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