Characterization of near-LTE, high-temperature and high-density aluminum plasmas produced by ultra-high intensity lasers

被引:23
作者
Dervieux, V. [1 ,2 ,3 ]
Loupias, B. [1 ]
Baton, S. [3 ]
Lecherbourg, L. [1 ]
Glize, K. [1 ,3 ]
Rousseaux, C. [1 ]
Reverdin, C. [1 ]
Gremillet, L. [1 ]
Blancard, C. [1 ]
Silvert, V. [1 ]
Pain, J-C [1 ]
Brown, C. R. D. [4 ]
Allan, P. [4 ]
Hill, M. P.
Hoarty, D. J.
Renaudin, P. [1 ,5 ]
机构
[1] CEA, DAM, DIF, F-91297 Arpajon, France
[2] DGA, Bagneux, France
[3] UPMC, CNRS, CEA, Ecole Polytech,LULI, F-91128 Palaiseau, France
[4] AWE Plc, Plasma Phys Grp, Reading RG7 4PR, Berks, England
[5] Univ Paris Diderot, CNRS, Observ Paris, LUTH UMR8102, F-92195 Meudon, France
关键词
UHI; HED; Dense plasmas; Isochoric heating; Plasma spectroscopy; K-shell spectra; HOT; TRANSPORT; ELECTRON; CODE;
D O I
10.1016/j.hedp.2015.04.009
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
Ultra-high-intensity lasers have opened up a new avenue for the creation and detailed spectral measurements of dense plasmas in extreme thermodynamic conditions. In this paper, we demonstrate the possibility of heating a dense plasma (rho > 1 gcm(-3)) to a maximum temperature of 560 +/- 40 eV using a few-Joule, relativistic-intensity laser pulse. Particle-in-cell, radiation-hydrodynamic and atomic physics simulation tools are used together for a full description of the plasma dynamics, from laser interaction to late-time expansion and x-ray emission, yielding overall good agreement with the spectral measurements. We discuss the sensitivity of our analysis to space-time gradients, non-equilibrium ionization processes and hot electron effects. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码:12 / 17
页数:6
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