Design of absolute equation of state measurements in optically thick materials by laser-driven shock waves

M. Temporal, S. Atzeni, D. Batani, M. Koenig, A. Benuzzi, B. Faral

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Abstract

Some aspects of the design of a target for the absolute measurement of Equation-of-State data at pressure of tens of Mbar, in optically thick materials are discussed. In the proposed experiment, a shock wave is generated in a laser-irradiated sample, and the shock velocity and the material velocity behind the shock are simultaneously measured by the optical and X-ray diagnostics. Accurate measurements require the generation of a steady, planar shock, and the detection of the motion of a shocked fluid interface by transverse radiography. One- and two-dimensional numerical fluid simulations have been performed to optimize beam and target design, in order to fulfil such requirements. © 1998 Elsevier Science B.V. All rights reserved.
Original languageEnglish
Pages (from-to)668 - 673
Number of pages6
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume415
Issue number3
DOIs
Publication statusPublished - 1 Oct 1998
Externally publishedYes

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All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Instrumentation

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