Oral: Characterizing laser-heated polymer foams with a new platform for simultaneous X-ray fluorescence spectroscopy and Thomson scattering at LCLS/MEC

ORAL

Abstract

Inertial Fusion Energy (IFE) research aims to revolutionize energy production. Advancing this field requires precise data on materials under extreme conditions. Here, we present the first results and next steps in our experimental campaign designed to enhance IFE research through absolute measurements of the equation of state of polymer foams driven to high energy density (HED) states. During our recent experiment at LCLS utilizing the MEC short-pulse laser, we isochorically heat polymer foam samples and probe them with highly coherent x-rays. We obtain forward and backward x-ray Thomson scattering (XRTS) spectra and simultaneously perform complementary measurements via x-ray fluorescence spectroscopy (XFS) from dopant Co atoms in the foam. We aim to make high-precision measurements of density, temperature, and ionization state populations. These measurements will provide benchmark data at HED conditions, crucial for improving atomic models in atomic kinetic and radiation codes.

*This work was funded by the DOE Office of Science, Fusion Energy Science under FWP100182.

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Publication: Planned paper: "Characterizing laser-heated polymer foams with a new platform for simultaneous X-ray fluorescence spectroscopy and Thomson scattering at LCLS/MEC," Special Topics in Physics of Plasmas for the IFE

Presenters

  • Willow Moon Martin

    • Stanford University

Authors

  • Willow Moon Martin

    • Stanford University

  • Michael J MacDonald

    • Lawrence Livermore National Laboratory

  • Luke B Fletcher

    • SLAC - Natl Accelerator Lab

  • Joe Nilsen

    • Lawrence Livermore National Laboratory

  • Arianna E Gleason

    • SLAC National Accelerator Laboratory

  • Siegfried H Glenzer

    • SLAC National Accelerator Laboratory

  • Hannah M Bellenbaum

    • Helmholtz Zentrum Dresden Rossendorf

  • Tilo Doeppner

    • Lawrence Livermore National Laboratory

  • Roger Falcone

    • University of California, Berkeley

  • Stefano Faubel

    • SLAC National Accelerator Laboratory

  • Thomas Gawne

    • Helmholtz Zentrum Dresden-Rossendorf

  • Levi Jordan Hancock

    • Brigham Young University

  • Nicholas John Hartley

    • SLAC National Accelerator Laboratory

  • Marie Luise Herbert

    • University of Rostock

  • Girik Jain

    • SLAC National Accelerator Laboratory

  • Kavita D Kabelitz

    • University of Illinois Urbana-Champaign

  • Dominik Kraus

    • University of Rostock

  • Alejandro L Garcia

    • Helmholtz Zentrum Dresden-Rossend

  • Andrea L Kritcher

    • Lawrence Livermore National Laboratory

  • Otto L Landen

    • Lawrence Livermore National Laboratory

  • Johannes Ripps

    • University of Rostock

  • Edna Rebeca R Toro Garza

    • Stanford University

  • Samuel Schumacher

    • University of Rostock