Analysis of X-ray and Thomson scattering data from non-LTE Nb and Ta plasmas

被引：0
|
作者：
Bastiani-Ceccotti, S. [1 ]
Bourgaux, A-C [1 ]
Bowen, C. [2 ]
Dorchies, F. [3 ]
Gilleron, F. [2 ]
Marques, J-R [1 ]
Pain, J-C [2 ]
Silvert, V. [2 ]
Vinci, T. [1 ]
机构：
[1] UPMC, CNRS, Ecole Polytech, CEA,LULI, F-91128 Palaiseau, France
[2] CEA, DAM, DIF, F-91297 Arpajon, France
[3] Univ Bordeaux, CNRS, CELIA, CEA,UMR 5107, F-33405 Talence, France
来源：
HIGH ENERGY DENSITY PHYSICS | 2015年 / 16卷
关键词：
Plasma physics; X-ray spectroscopy; Non-LTE population kinetics; Collisional-radiative modeling; DETAILED CHARACTERIZATION; LASER PLASMAS; WORKSHOP; MODEL; EMISSIVITIES; EMISSION; TANTALUM; CODES;
D O I：
10.1016/j.hedp.2015.05.003
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：
In this paper, we analyse the results of experiments performed on the LULI2000 laser facility. Nb and Ta dot targets were heated by up to similar to 800 J of 2 omega laser light in 1.5 ns pulses. The expanding plasma was characterised by Thomson scattering (TS) of a probe laser beam, and time-integrated L-and M-shell Xray spectroscopy. The TS probe was operated both during laser operation and after the end of the laser pulse, providing ionisation data near the Ne-like or Ni-like closed shells as well as for the recombining plasma. We give the results of 2D radiative hydrodynamics, non-LTE kinetics calculations and detailed spectroscopy that show a satisfactory agreement between experimental and theoretical data. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：41 / 52
页数：12
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