Résumé
In this letter we report on the direct density measurement in a shock compressed aluminum target using hard x-ray radiography. Experimental data employing a molybdenum Kα source at 17.5 keV, generated with a short pulse laser are presented. High spatial resolution was obtained thanks to a new design for the backlighter geometry. Density values deduced from radiography are compared to predictions from hydrodynamic simulations, which have been calibrated in order to reproduce shock velocities measured from a rear-side self-emission diagnostic. Our results reveal the great potential of this technique as a diagnostic tool for direct density measurements in dense high- Z opaque materials.
| langue originale | Anglais |
|---|---|
| Numéro d'article | 060701 |
| journal | Physics of Plasmas |
| Volume | 15 |
| Numéro de publication | 6 |
| Les DOIs | |
| état | Publié - 9 juil. 2008 |
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