Hydrodynamics of laser-produced plasma corona measured by optical interferometry

被引:6
|
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, Makhachkala, 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
关键词
D O I
10.1088/0741-3335/50/10/105013
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. We obtained 'high-quality' interferometric data on the evolution of the plasma electronic profile, which can be directly compared with analytical models and numerical simulations. For aluminium and plastic targets, the agreement with 1D simulations performed 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 enough agreement, we must take radiation transport into account.
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页数:10
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