Quantitative phase contrast imaging of a shock-wave with a laser-plasma based X-ray source

被引：33

作者：

Barbato, F. ^{[1
,3
]}

Atzeni, S. ^{[2
]}

Batani, D. ^{[1
,3
,9
]}

Bleiner, D. ^{[1
]}

Boutoux, G. ^{[3
]}

Brabetz, C. ^{[4
]}

Bradford, P. ^{[8
]}

Mancelli, D. ^{[3
,5
]}

Neumayer, P. ^{[4
]}

Schiavi, A. ^{[2
]}

Trela, J. ^{[3
]}

Volpe, L. ^{[6
]}

Zeraouli, G. ^{[6
,7
]}

Woolsey, N. ^{[8
]}

Antonelli, L. ^{[2
,8
]}

机构：

[1] Empa, Mat Sci & Technol, CH-8600 Dubendorf, Switzerland

[2] Univ Roma La Sapienza, Dipartimento SBAI, I-00161 Rome, Italy

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

[4] GSI Helmholtzzentrum Schwerionenforsch GmbH, D-64291 Darmstadt, Germany

[5] DIPC, Donostia San Sebastian 20018, Spain

[6] Ctr Laseres Pulsados, CLPU, Bldg M5, Salamanca 37185, Spain

[7] Univ Salamanca, Patio Escuelas 1, E-37008 Salamanca, Spain

[8] Univ York, York Plasma Inst, Dept Phys, York YO10 5DD, N Yorkshire, England

[9] Natl Res Nucl Univ MEPhI, Dept Plasma Phys, Moscow 115409, Russia

来源：

SCIENTIFIC REPORTS | 2019年 / 9卷 / 1期

基金：

英国工程与自然科学研究理事会; 欧盟地平线“2020”;

关键词：

INERTIAL CONFINEMENT FUSION; FACILITY;

D O I：

10.1038/s41598-019-55074-1

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：

X-ray phase contrast imaging (XPCI) is more sensitive to density variations than X-ray absorption radiography, which is a crucial advantage when imaging weakly-absorbing, low-Z materials, or steep density gradients in matter under extreme conditions. Here, we describe the application of a polychromatic X-ray laser-plasma source (duration similar to 0.5 ps, photon energy >1 keV) to the study of a laser-driven shock travelling in plastic material. The XPCI technique allows for a clear identification of the shock front as well as of small-scale features present during the interaction. Quantitative analysis of the compressed object is achieved using a density map reconstructed from the experimental data.

引用

页数：11

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