Effect of plastic coating on the density of plasma formed in Si foil targets irradiated by ultra-high-contrast relativistic laser pulses

A. S. Martynenko, S.A. Pikuz, I. Yu. Skobelev, S. N. Ryazantsev, C. Baird, N. Booth, L. Doehl, P. Durey, A. Ya Faenov, D. Farley, R. Kodama, K. Lancaster, P. McKenna, C. D. Murphy, C. Spindloe, T. A. Pikuz, N. Woolsey

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Abstract

The formation of high energy density matter occurs in inertial confinement fusion, astrophysical, and geophysical systems. In this context, it is important to couple as much energy as possible into a target while maintaining high density. A recent experimental campaign, using buried layer (or "sandwich" type) targets and the ultrahigh laser contrast Vulcan petawatt laser facility, resulted in 500 Mbar pressures in solid density plasmas (which corresponds to about 4.6×107J/cm3 energy density). The densities and temperatures of the generated plasma were measured based on the analysis of X-ray spectral line profiles and relative intensities.

Original languageEnglish
Article number043208
Number of pages10
JournalPhysical Review E
Volume101
Issue number4
Early online date17 Apr 2020
DOIs
Publication statusPublished - 30 Apr 2020

Keywords

  • high energy density matter
  • buried layer targets
  • solid density plasmas

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    Martynenko, A. S., Pikuz, S. A., Skobelev, I. Y., Ryazantsev, S. N., Baird, C., Booth, N., ... Woolsey, N. (2020). Effect of plastic coating on the density of plasma formed in Si foil targets irradiated by ultra-high-contrast relativistic laser pulses. Physical Review E, 101(4), [043208]. https://doi.org/10.1103/PhysRevE.101.043208