Journal
PHYSICAL REVIEW E
Volume 78, Issue 6, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevE.78.066406
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Funding
- German Helmholtzgemeinschaft via the Virtual Institute [VH-VI104]
- German Federal Ministry for Education and Research
- Deutsche Forschungsgemeinschaft (DFG)
- Sonderforschungsbereich [SFB 652]
- DFG [LA 1431/2-1, GRK 1355]
- U. S. Department of Energy by Lawrence Livermore National Laboratory [DE-AC52-07NA27344]
- LDRDs [08-ERI-002,08-LW-004]
- Alexander von Humboldt foundation
- Science and Technology Facilities Council of the United Kingdom
- [FSP 301-FLASH]
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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.
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