X-ray absorption radiography for high pressure shock wave studies

The study of laser compressed matter, both warm dense matter (WDM) and hot dense matter (HDM), is relevant to several research areas, including materials science, astrophysics, inertial confinement fusion. X-ray absorption radiography is a unique tool to diagnose compressed WDM and HDM. The applicat...

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Bibliographic Details
Published in:Journal of instrumentation 2018-01, Vol.13 (1), p.C01013-C01013
Main Authors: Antonelli, L., Atzeni, S., Batani, D., Baton, S.D., Brambrink, E., Forestier-Colleoni, P., Koenig, M., Bel, E. Le, Maheut, Y., Nguyen-Bui, T., Richetta, M., Rousseaux, C., Ribeyre, X., Schiavi, A., Trela, J.
Format: Article
Language:English
Subjects:
Astrophysics
Density
Fluid dynamics
Fluid flow
Hydrodynamics
Inertial confinement fusion
Materials science
Physics
Plasma Physics
Radiographs
Radiography
Shock waves
X ray absorption
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Summary:The study of laser compressed matter, both warm dense matter (WDM) and hot dense matter (HDM), is relevant to several research areas, including materials science, astrophysics, inertial confinement fusion. X-ray absorption radiography is a unique tool to diagnose compressed WDM and HDM. The application of radiography to shock-wave studies is presented and discussed. In addition to the standard Abel inversion to recover a density map from a transmission map, a procedure has been developed to generate synthetic radiographs using density maps produced by the hydrodynamics code DUED. This procedure takes into account both source-target geometry and source size (which plays a non negligible role in the interpretation of the data), and allows to reproduce transmission data with a good degree of accuracy.
ISSN:1748-0221
1748-0221
DOI:10.1088/1748-0221/13/01/C01013