Spectroscopic and MHD modeling of magnetized cylindrical implosions using a laser-produced seed B-field

POSTER

Abstract

We present a comprehensive simulation study of magnetized cylindrical implosions at OMEGA using laser-driven capacitor-coil targets to produce a seed, pre-compressed B field. Ar-doped, D2-filled cylindrical targets will be symmetrically imploded using a 15 kJ, 1.5 ns laser drive. The plasma dynamics are numerically investigated in 2-D with the MHD code GORGON, which predicts a B-field exceeding 10 kT over the entire compressed core and significantly higher temperatures compared to the unmagnetized case. Synthetic X-ray emission spectra computed with the NLTE atomic kinetics code ABAKO and detailed Stark-Zeeman broadening codes (MERL, PPP-B, DinMol) show distinctive spectral features for a magnetized implosion and the case without seed B-field. These results suggest the use of Argon K-shell spectroscopy to extract plasma conditions throughout the implosion and bring information about changes in the hydrodynamic behaviour due to the impact of the B-field.

*Supported by NNSA/NLUF Grant DE-NA0003940, and Grants GOB-ESP2019-13, PID2019-108764RB-I00 (ULPGC and MICINN, Spain).

Authors

  • R. Florido

    • ULPGC, Spain

  • C.A. Walsh

    • Lawrence Livermore National Laboratory
    • LLNL, USA
    • Lawrence Livermore Natl Lab

  • Mathieu Bailly-Grandvaux

    • UCSD CER
    • UCSD
    • CER, UCSD, USA
    • University of California, San Diego

  • F. N. Beg

    • University of California San Diego
    • University of California, San Diego
    • UCSD
    • CER, UCSD, USA

  • Christopher McGuffey

    • UCSD CER
    • UCSD
    • UCSSD
    • CER, UCSD, USA
    • University of California, San Diego

  • A. Calisti

    • Univ. Aix-Marseille, CNRS, PIIM, France

  • S. Ferri

    • Univ. Aix-Marseille, CNRS, PIIM, France

  • M.A. Gigosos

    • Univ. Valladolid, Spain

  • R.C. Mancini

    • University of Nevada, Reno
    • Univ of Nevada - Reno
    • University of Nevada Reno
    • Dept. Physics, UNR, USA
    • UNR, USA

  • T. Nagayama

    • Sandia National Laboratory
    • SNL, USA
    • Sandia National Laboratories

  • J.J. Honrubia

    • ETSIAE, UPM, Spain

  • J.R. Davies

    • Laboratory for Laser Energetics, U. Rochester
    • Laboratory for Laser Energetics, U. of Rochester
    • LLE
    • LLE, Univ. Rochester, USA
    • University of Rochester
    • U. of Rochester, NY
    • LLE, UR, USA

  • F. Suzuki-Vidal

    • Imperial College London, UK
    • Imperial College London

  • V. T. Tikhonchuk

    • Univ. Bordeaux, CNRS, CEA, CELIA

  • J. J. Santos

    • CELIA
    • Univ. Bordeaux, CNRS, CEA, CELIA