Demonstration of x-ray fluorescence imaging of a high-energy-density plasma

被引：7

作者：

MacDonald, M. J. ^{[1
,2
]}

Keiter, P. A. ^{[1
]}

Montgomery, D. S. ^{[3
]}

Biener, M. M. ^{[4
]}

Fein, J. R. ^{[1
]}

Fournier, K. B. ^{[4
]}

Gamboa, E. J. ^{[1
,2
]}

Klein, S. R. ^{[1
]}

Kuranz, C. C. ^{[1
]}

LeFevre, H. J. ^{[1
]}

Manuel, M. J. -E. ^{[1
]}

Streit, J. ^{[5
]}

Wan, W. C. ^{[1
]}

Drake, R. P. ^{[1
]}

机构：

[1] Univ Michigan, Dept Atmospher Ocean & Space Sci, Ann Arbor, MI 48109 USA

[2] SLAC Natl Accelerator Lab, Menlo Pk, CA 94025 USA

[3] Los Alamos Natl Lab, Los Alamos, NM 87545 USA

[4] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA

[5] Schafer Corp, Livermore, CA 94551 USA

来源：

REVIEW OF SCIENTIFIC INSTRUMENTS | 2014年 / 85卷 / 11期

基金：

美国国家科学基金会;

关键词：

FACILITY;

D O I：

10.1063/1.4886388

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Experiments at the Trident Laser Facility have successfully demonstrated the use of x-ray fluorescence imaging (XRFI) to diagnose shocked carbonized resorcinol formaldehyde (CRF) foams doped with Ti. One laser beam created a shock wave in the doped foam. A second laser beam produced a flux of vanadium He-alpha x-rays, which in turn induced Ti K-shell fluorescence within the foam. Spectrally resolved 1D imaging of the x-ray fluorescence provided shock location and compression measurements. Additionally, experiments using a collimator demonstrated that one can probe specific regions within a target. These results show that XRFI is a capable alternative to path-integrated measurements for diagnosing hydrodynamic experiments at high energy density. (C) 2014 AIP Publishing LLC.

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页数：3

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