Revisit to Cormack Inversion Using Function Modification Technique for Plasma Tomography

  • NISHIMURA Yuki
    Interdisciplinary Graduate School of Engineering Science, Kyushu University
  • NAGASHIMA Yoshihiko
    Research Institute for Applied Mechanics, Kyushu University
  • MOON Chanho
    Research Institute for Applied Mechanics, Kyushu University
  • NISHIZAWA Takashi
    Research Institute for Applied Mechanics, Kyushu University
  • KOBAYASHI Taiki
    Research Institute for Applied Mechanics, Kyushu University
  • KASUYA Naohiro
    Research Institute for Applied Mechanics, Kyushu University
  • KOBAYASHI Tatsuya
    Research Institute for Applied Mechanics, Kyushu University National Institute for Fusion Science, National Institutes of Natural Sciences
  • FUJISAWA Akihide
    Research Institute for Applied Mechanics, Kyushu University
  • TOKUZAWA Tokihiko
    Research Institute for Applied Mechanics, Kyushu University National Institute for Fusion Science, National Institutes of Natural Sciences
  • IDO Takeshi
    Research Institute for Applied Mechanics, Kyushu University National Institute for Fusion Science, National Institutes of Natural Sciences
  • SHIMIZU Akihiro
    Research Institute for Applied Mechanics, Kyushu University National Institute for Fusion Science, National Institutes of Natural Sciences

Bibliographic Information

Published
2025
DOI
  • 10.1585/pfr.20.1201052
Publisher
The Japan Society of Plasma Science and Nuclear Fusion Research

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Description

<p>The Cormack inversion is a well-known procedure for tomography. However, the Fourier-Bessel function expansion could be preferably used for plasma tomography, since plasma images obtained with the Cormack inversion tend to produce a false plasma image in the boundary without regards to its advantage: the direct structural analysis of plasma is possible using a set of line-integrated data. Here we propose an application of function modification technique to revive the advantage of the Cormack inversion and present successful experimental result in a tomography system of a cylindrical plasma.</p>

Journal

  • Plasma and Fusion Research

    Plasma and Fusion Research 20 (0), n/a-, 2025

    The Japan Society of Plasma Science and Nuclear Fusion Research

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