Density and temperature characterization of long-scale length, near-critical density controlled plasma produced from ultra-low density plastic foam

被引：33

作者：

Chen, S. N. ^{[1
,2
]}

Iwawaki, T. ^{[3
]}

Morita, K. ^{[3
]}

Antici, P. ^{[4
]}

Baton, S. D. ^{[1
]}

Filippi, F. ^{[4
]}

Habara, H. ^{[3
]}

Nakatsutsumi, M. ^{[1
,5
]}

Nicolai, P. ^{[6
]}

Nazarov, W. ^{[7
]}

Rousseaux, C. ^{[8
]}

Starodubstev, M. ^{[2
]}

Tanaka, K. A. ^{[3
]}

Fuchs, J. ^{[1
,2
]}

机构：

[1] Sorbonne Univ, Univ Paris 06, Univ Paris Saclay, LULI,CNRS,Ecole Polytech,CEA, F-91128 Palaiseau, France

[2] Inst Appl Phys, 46 Ulyanov St, Nizhnii Novgorod 603950, Russia

[3] Osaka Univ, Grad Sch Engn, Suita, Osaka 565, Japan

[4] Univ Rome, Dip SBAI, I-00161 Rome, Italy

[5] European X Ray Free Electron Laser Facil XFEL Gmb, Hamburg, Germany

[6] Univ Bordeaux, CELIA, CEA, CNRS,UMR 5107, F-33405 Talence, France

[7] Univ St Andrews, Unit 4, High Energy Laser Mat Lab, NTC, St Andrews KY16 9SR, Fife, Scotland

[8] CEA, DAM, DIF, F-91297 Arpajon, France

来源：

SCIENTIFIC REPORTS | 2016年 / 6卷

基金：

日本学术振兴会;

关键词：

D O I：

10.1038/srep21495

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

The ability to produce long-scale length (i.e. millimeter scale-length), homogeneous plasmas is of interest in studying a wide range of fundamental plasma processes. We present here a validated experimental platform to create and diagnose uniform plasmas with a density close or above the critical density. The target consists of a polyimide tube filled with an ultra low-density plastic foam where it was heated by x-rays, produced by a long pulse laser irradiating a copper foil placed at one end of the tube. The density and temperature of the ionized foam was retrieved by using x-ray radiography and proton radiography was used to verify the uniformity of the plasma. Plasma temperatures of 5-10 eV and densities around 10(21) cm(-3) are measured. This well-characterized platform of uniform density and temperature plasma is of interest for experiments using large-scale laser platforms conducting High Energy Density Physics investigations.

引用

页数：7

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