Tracking the density evolution in counter-propagating shock waves using imaging X-ray scattering

U. Zastrau, E. J. Gamboa, D. Kraus, J. F. Benage, R. P. Drake, P. Efthimion, K. Falk, R. W. Falcone, L. B. Fletcher, E. Galtier, M. Gauthier, E. Granados, J. B. Hastings, P. Heimann, K. Hill, P. A. Keiter, J. Lu, M. J. Macdonald, D. S. Montgomery, B. NaglerN. Pablant, A. Schropp, B. Tobias, D. O. Gericke, S. H. Glenzer, H. J. Lee

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

We present results from time-resolved X-ray imaging and inelastic scattering on collective excitations. These data are then employed to infer the mass density evolution within laser-driven shock waves. In our experiments, thin carbon foils are first strongly compressed and then driven into a dense state by counter-propagating shock waves. The different measurements agree that the graphite sample is about twofold compressed when the shock waves collide, and a sharp increase in forward scattering indicates disassembly of the sample 1 ns thereafter. We can benchmark hydrodynamics simulations of colliding shock waves by the X-ray scattering methods employed.

Original languageEnglish (US)
Article number031108
JournalApplied Physics Letters
Volume109
Issue number3
DOIs
StatePublished - Jul 18 2016

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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