Laser-driven shock waves studied by x-ray radiography.
Phys Rev E
; 95(6-1): 063205, 2017 Jun.
Article
en En
| MEDLINE
| ID: mdl-28709273
ABSTRACT
Multimegabar laser-driven shock waves are unique tools for studying matter under extreme conditions. Accurate characterization of shocked matter is for instance necessary for measurements of equation of state data or opacities. This paper reports experiments performed at the LULI facility on the diagnosis of shock waves, using x-ray-absorption radiography. Radiographs are analyzed using standard Abel inversion. In addition, synthetic radiographs, which also take into account the finite size of the x-ray source, are generated using density maps produced by hydrodynamic simulations. Reported data refer to both plane cylindrical targets and hemispherical targets. Evolution and deformation of the shock front could be followed using hydrodynamic simulations.
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Phys Rev E
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2017
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Article