Coronal hydrodynamics of laser-produced plasmas

被引:5
作者
Aliverdiev, A. [1 ,2 ]
Batani, D. [2 ]
Dezulian, R. [2 ]
Vinci, T. [2 ,3 ]
Benuzzi-Mounaix, A. [3 ]
Koenig, M. [3 ]
Malka, V. [4 ]
机构
[1] Russian Acad Sci, Inst Phys, Daghestan Sci Ctr, Moscow 367003, Russia
[2] Univ Milano Bicocca, Dipartimento Fis G Occhialini, Milan, Italy
[3] Ecole Polytech, Lab Utilisat Lasers Intenses, Palaiseau, France
[4] Ecole Polytech, Lab Opt Appl, Palaiseau, France
来源
PHYSICAL REVIEW E | 2008年 / 78卷 / 04期
关键词
D O I
10.1103/PhysRevE.78.046404
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
We present the results of an experimental investigation of the temporal evolution of plasmas produced by high power laser irradiation of various types of target materials (at intensities I-L <= 10(14) W/cm(2)). We obtained interferometric data on the evolution of the plasma profile, which can directly be compared to analytical models and numerical simulations. For aluminum and plastic targets, the agreement with 1D simulations done with the hydrocode MULTI is excellent, at least for large times (t >= 400 ps). In this case, simulations also show that the effect of radiation transport is negligible. The situation is quite different for gold targets for which, in order to get a fair agreement, radiation transport must be taken into account.
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页数:10
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