X-ray Spectroscopic Characterization of Shock-Ignition-Relevant plasmas
DOI:
https://doi.org/10.14311/1771Keywords:
hot electrons, shock ignition, laser-produced plasma, X-ray spectroscopy, K radiation.Abstract
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.Downloads
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