Bremsstrahlung and line spectroscopy of warm dense aluminum plasma heated by xuv free-electron-laser radiation

被引：68

作者：

Zastrau, U. ^{[1
]}

Fortmann, C. ^{[2
]}

Faeustlin, R. R. ^{[3
]}

Cao, L. F. ^{[1
]}

Doeppner, T. ^{[4
]}

Duesterer, S. ^{[3
]}

Glenzer, S. H. ^{[4
]}

Gregori, G. ^{[5
]}

Laarmann, T. ^{[3
]}

Lee, H. J. ^{[6
]}

Przystawik, A. ^{[2
]}

Radcliffe, P. ^{[3
]}

Reinholz, H. ^{[2
]}

Roepke, G. ^{[2
]}

Thiele, R. ^{[2
]}

Tiggesbaeumker, J. ^{[2
]}

Truong, N. X. ^{[2
]}

Toleikis, S. ^{[3
]}

Uschmann, I. ^{[1
]}

Wierling, A. ^{[2
]}

Tschentscher, T. ^{[3
]}

Foerster, E. ^{[1
]}

Redmer, R. ^{[2
]}

机构：

[1] Univ Jena, Inst Opt & Quantenelekt, D-07743 Jena, Germany

[2] Univ Rostock, Inst Phys, D-18051 Rostock, Germany

[3] DESY, Deutsch Elektronen Synchrotron, D-22607 Hamburg, Germany

[4] Lawrence Livermore Natl Lab, Livermore, CA 94551 USA

[5] Univ Oxford, Clarendon Lab, Oxford OX1 3PU, England

[6] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA

来源：

PHYSICAL REVIEW E | 2008年 / 78卷 / 06期

基金：

英国科学技术设施理事会;

关键词：

D O I：

10.1103/PhysRevE.78.066406

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 report the creation of solid-density aluminum plasma using free-electron laser (FEL) radiation at 13.5 nm wavelength. Ultrashort pulses were focused on a bulk Al target, yielding an intensity of 2 x 10(14) W/cm(2). The radiation emitted from the plasma was measured using an xuv spectrometer. Bremsstrahlung and line intensity ratios yield consistent electron temperatures of about 38 eV, supported by radiation hydrodynamics simulations. This shows that xuv FELs heat up plasmas volumetrically and homogeneously at warm-dense-matter conditions, which are accurately characterized by xuv spectroscopy.

引用

页数：5

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