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Proceedings Paper

Spectroscopic studies of hard x-ray free-electron laser-heated foils at 1016 Wcm-2 irradiances
Author(s): J. Dunn; R. Shepherd; A. Graf; A. Steel; J. Park; S. J. Moon; R. W. Lee; P. Audebert; A. Levy; M. Gauthier; J. Fuchs; D. M. Fritz; M. Cammarata; D. Milathianaki; H. J. Lee; B. Nagler; C. Fourment; F. Deneuville; G. Williams; M. Fajardo; J. Gaudin; S. Vinko; O. Ciricosta; J. Wark; H. K. Chung
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Paper Abstract

We report a recent experiment where the first hard x-ray beam line, X-ray Pump Probe (XPP) instrument using the SLAC National Accelerator Laboratory's Linac Coherent Light Source (LCLS) free electron laser, was used to heat thin foils to high energy densities ~ 107 J/cm3. An intense 9 keV, 60 fs (FWHM) duration beam with energy of 2 - 4 mJ at the XPP beam line was focused using beryllium lenses to an irradiance approaching 1016 Wcm-2. Targets of 0.5 - 3.5 μm thick foils of Ag and Cu were studied using a suite of diagnostics including Fourier Domain Interferometry, energy calorimetry and grating and crystal spectrometers. The experimental details and spectroscopic results from the campaign will be described. Preliminary results indicate that the target is heated relatively uniformly to a temperature lower than 20 eV.

Paper Details

Date Published: 5 October 2011
PDF: 8 pages
Proc. SPIE 8140, X-ray Lasers and Coherent X-ray Sources: Development and Applications IX, 81400O (5 October 2011); doi: 10.1117/12.895264
Show Author Affiliations
J. Dunn, Lawrence Livermore National Lab. (United States)
R. Shepherd, Lawrence Livermore National Lab. (United States)
A. Graf, Lawrence Livermore National Lab. (United States)
A. Steel, Lawrence Livermore National Lab. (United States)
J. Park, Lawrence Livermore National Lab. (United States)
S. J. Moon, Lawrence Livermore National Lab. (United States)
R. W. Lee, Lawrence Livermore National Lab. (United States)
SLAC National Accelorator Lab. (United States)
P. Audebert, Laboratoire pour l'Utilisation des Lasers Intenses, Ecole Polytechnique (France)
A. Levy, Laboratoire pour l'Utilisation des Lasers Intenses, Ecole Polytechnique (France)
M. Gauthier, Laboratoire pour l'Utilisation des Lasers Intenses, Ecole Polytechnique (France)
J. Fuchs, Laboratoire pour l'Utilisation des Lasers Intenses, Ecole Polytechnique (France)
D. M. Fritz, SLAC National Accelerator Lab. (United States)
M. Cammarata, SLAC National Accelerator Lab. (United States)
D. Milathianaki, SLAC National Accelerator Lab. (United States)
H. J. Lee, SLAC National Accelerator Lab. (United States)
B. Nagler, SLAC National Accelerator Lab. (United States)
C. Fourment, CELIA, CNRS, Univ. Bordeaux 1 (France)
F. Deneuville, CELIA, CNRS, Univ. Bordeaux 1 (France)
G. Williams, Univ. Técnica de Lisboa (Portugal)
M. Fajardo, Univ. Técnica de Lisboa (Portugal)
J. Gaudin, European XFEL GmbH (Germany)
S. Vinko, Univ. of Oxford (United Kingdom)
O. Ciricosta, Univ. of Oxford (United Kingdom)
J. Wark, Univ. of Oxford (United Kingdom)
H. K. Chung, International Atomic Energy Agency (Austria)


Published in SPIE Proceedings Vol. 8140:
X-ray Lasers and Coherent X-ray Sources: Development and Applications IX
James Dunn; Annie Klisnick, Editor(s)

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