Measurement of high-dynamic range x-ray Thomson scattering spectra for the characterization of nano-plasmas at LCLS

被引：3

作者：

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

Gorkhover, T. ^{[2
,3
]}

Bachmann, B. ^{[4
]}

Bucher, M. ^{[2
,5
]}

Carron, S. ^{[6
]}

Coffee, R. N. ^{[2
]}

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

Ferguson, K. R. ^{[2
,7
]}

Fletcher, L. B. ^{[2
]}

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

Glenzer, S. H. ^{[2
]}

Gode, S. ^{[2
]}

Hau-Riege, S. P. ^{[4
]}

Kraus, D. ^{[8
]}

Krzywinski, J. ^{[2
]}

Levitan, A. L. ^{[9
]}

Meiwes-Broer, K. -H. ^{[10
]}

O'Grady, C. P. ^{[2
]}

Osipov, T. ^{[2
]}

Pardini, T. ^{[4
]}

Peltz, C. ^{[10
]}

Skruszewicz, S. ^{[10
]}

Swiggers, M. ^{[2
]}

Bostedt, C. ^{[5
]}

Fennel, T. ^{[10
]}

Doppner, T. ^{[4
]}

机构：

[1] Univ Michigan, Ann Arbor, MI 48109 USA

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

[3] Tech Univ, D-10623 Berlin, Germany

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

[5] Argonne Natl Lab, Lemont, IL 60439 USA

[6] Calif Lutheran Univ, Thousand Oaks, CA 91360 USA

[7] Stanford Univ, Stanford, CA 94305 USA

[8] Univ Calif Berkeley, Berkeley, CA 94720 USA

[9] Franklin W Olin Coll Engn, Needham, MA 02492 USA

[10] Univ Rostock, D-18051 Rostock, Germany

来源：

REVIEW OF SCIENTIFIC INSTRUMENTS | 2016年 / 87卷 / 11期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1063/1.4960502

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Atomic clusters can serve as ideal model systems for exploring ultrafast (similar to 100 fs) laser-driven ionization dynamics of dense matter on the nanometer scale. Resonant absorption of optical laser pulses enables heating to temperatures on the order of 1 keV at near solid density conditions. To date, direct probing of transient states of such nano-plasmas was limited to coherent x-ray imaging. Here we present the first measurement of spectrally resolved incoherent x-ray scattering from clusters, enabling measurements of transient temperature, densities, and ionization. Single shot x-ray Thomson scattering signals were recorded at 120 Hz using a crystal spectrometer in combination with a single-photon counting and energy-dispersive pnCCD. A precise pump laser collimation scheme enabled recording near background-free scattering spectra from Ar clusters with an unprecedented dynamic range of more than 3 orders of magnitude. Such measurements are important for understanding collective effects in laser-matter interactions on femtosecond time scales, opening new routes for the development of schemes for their ultrafast control. Published by AIP Publishing.

引用

页数：3

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