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Magnetized fast isochoric laser heating for efficient creation of ultra-high-energy-density states

Author

Listed:
  • Shohei Sakata

    (Osaka University)

  • Seungho Lee

    (Osaka University)

  • Hiroki Morita

    (Osaka University)

  • Tomoyuki Johzaki

    (Hiroshima University)

  • Hiroshi Sawada

    (Osaka University
    University of Nevada Reno)

  • Yuki Iwasa

    (Osaka University)

  • Kazuki Matsuo

    (Osaka University)

  • King Fai Farley Law

    (Osaka University)

  • Akira Yao

    (Osaka University)

  • Masayasu Hata

    (Osaka University)

  • Atsushi Sunahara

    (Institute for Laser Technology
    Purdue University)

  • Sadaoki Kojima

    (Osaka University
    Institute for Chemical Research)

  • Yuki Abe

    (Osaka University)

  • Hidetaka Kishimoto

    (Osaka University)

  • Aneez Syuhada

    (Osaka University)

  • Takashi Shiroto

    (Tohoku University)

  • Alessio Morace

    (Osaka University)

  • Akifumi Yogo

    (Osaka University)

  • Natsumi Iwata

    (Osaka University)

  • Mitsuo Nakai

    (Osaka University)

  • Hitoshi Sakagami

    (National Institutes of Natural Sciences)

  • Tetsuo Ozaki

    (National Institutes of Natural Sciences)

  • Kohei Yamanoi

    (Osaka University)

  • Takayoshi Norimatsu

    (Osaka University)

  • Yoshiki Nakata

    (Osaka University)

  • Shigeki Tokita

    (Osaka University)

  • Noriaki Miyanaga

    (Osaka University)

  • Junji Kawanaka

    (Osaka University)

  • Hiroyuki Shiraga

    (Osaka University)

  • Kunioki Mima

    (Osaka University
    The Graduate School for the Creation of New Photonics Industries)

  • Hiroaki Nishimura

    (Osaka University)

  • Mathieu Bailly-Grandvaux

    (University of Bordeaux, CNRS, CEA, CELIA (Centre Lasers Intenses et Applications))

  • João Jorge Santos

    (University of Bordeaux, CNRS, CEA, CELIA (Centre Lasers Intenses et Applications))

  • Hideo Nagatomo

    (Osaka University)

  • Hiroshi Azechi

    (Osaka University)

  • Ryosuke Kodama

    (Osaka University)

  • Yasunobu Arikawa

    (Osaka University)

  • Yasuhiko Sentoku

    (Osaka University)

  • Shinsuke Fujioka

    (Osaka University)

Abstract

Fast isochoric heating of a pre-compressed plasma core with a high-intensity short-pulse laser is an attractive and alternative approach to create ultra-high-energy-density states like those found in inertial confinement fusion (ICF) ignition sparks. Laser-produced relativistic electron beam (REB) deposits a part of kinetic energy in the core, and then the heated region becomes the hot spark to trigger the ignition. However, due to the inherent large angular spread of the produced REB, only a small portion of the REB collides with the core. Here, we demonstrate a factor-of-two enhancement of laser-to-core energy coupling with the magnetized fast isochoric heating. The method employs a magnetic field of hundreds of Tesla that is applied to the transport region from the REB generation zone to the core which results in guiding the REB along the magnetic field lines to the core. This scheme may provide more efficient energy coupling compared to the conventional ICF scheme.

Suggested Citation

  • Shohei Sakata & Seungho Lee & Hiroki Morita & Tomoyuki Johzaki & Hiroshi Sawada & Yuki Iwasa & Kazuki Matsuo & King Fai Farley Law & Akira Yao & Masayasu Hata & Atsushi Sunahara & Sadaoki Kojima & Yuk, 2018. "Magnetized fast isochoric laser heating for efficient creation of ultra-high-energy-density states," Nature Communications, Nature, vol. 9(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-018-06173-6
    DOI: 10.1038/s41467-018-06173-6
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