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X-ray Spectroscopic Characterization of Shock-Ignition-Relevant plasmas
Author(s) -
Michal Šmíd,
L. Antonelli,
O. Renner
Publication year - 2013
Publication title -
acta polytechnica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.207
H-Index - 15
eISSN - 1805-2363
pISSN - 1210-2709
DOI - 10.14311/1771
Subject(s) - plasma , electron , warm dense matter , shock (circulatory) , atomic physics , characterization (materials science) , ignition system , materials science , monochromatic color , electron temperature , x ray , plasma diagnostics , spectroscopy , physics , optics , nuclear physics , nanotechnology , thermodynamics , medicine , quantum mechanics
Experiments with multilayer plastic/Cu targets performed at a PALS laser system aimed at the study of matter at conditions relevant to a shock ignition ICF scheme, and, in particular, at the investigation of hot electrons generation. Plasma temperature and density were obtained using high-resolution X-ray spectroscopy. 2D-spatially resolved quasi–monochromatic imaging was observing the hot electrons via fluorescence K emission in the copper tracer layer. Found values of plasma temperature 690 ± 10 eV, electron density 3 × 1022 cm-3 and the effective energy of hot electrons 45 ± 20 keV demonstrate the potential of X-ray methods in the characterization of the shock ignition environmental conditions.

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