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

来源：

HIGH ENERGY DENSITY PHYSICS | 2015年 / 16卷

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

页码：12 / 17

页数：6

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