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Studies on EUV spectra from highly charged high Z ions using magnetically confined high temperature plasmas

Research Project

Project/Area Number 23740412
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Plasma science
Research InstitutionNational Institute for Fusion Science

Principal Investigator

SUZUKI CHIHIRO  核融合科学研究所, ヘリカル研究部, 助教 (30321615)

Research Collaborator O'SULLIVAN Gerard  University College Dublin, School of Physics, Professor
Project Period (FY) 2011 – 2013
Project Status Completed (Fiscal Year 2013)
Budget Amount *help
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2013: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2012: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2011: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Keywordsプラズマ・核融合 / 原子・分子物理 / 光源技術 / 国際情報交換(アイルランド) / 国際情報交換(アイルラン ド) / 国際情報交換(アイルランド) / 国際情報交流(アイルランド)
Research Abstract

In terms of the development of short wavelength light source and the understanding of impurity behaviors in fusion plasmas, we have observed extreme ultraviolet spectra from highly charged high Z ions of lanthanides, tungsten, bismuth, etc. in optically thin, high temperature plasmas produced in the Large Helical Device (LHD). Spectral feature has drastically changed depending on the electron temperature because of the change in ion abundance. Experimental database has been systematically developed in a wide range of Z. The emission mechanism as well as the dependences on Z and electron temperature has been well understood through the identifications of discrete spectral lines and the comparative analyses with theoretical calculations.

Report

(4 results)
  • 2013 Annual Research Report   Final Research Report ( PDF )
  • 2012 Research-status Report
  • 2011 Research-status Report
  • Research Products

    (13 results)

All 2013 2012 2011

All Journal Article (3 results) (of which Peer Reviewed: 3 results) Presentation (10 results) (of which Invited: 1 results)

  • [Journal Article] Extreme ultraviolet spectra from highly charged gadolinium and neodymium ions in the Large Helical Device and laser produced plasmas2013

    • Author(s)
      C. Suzuki, F. Koike, I. Murakami, N. Tamura, S. Sudo, C. O'Gorman, B. Li, C. S. Harte, T. Donnelly and G O'Sullivan
    • Journal Title

      Phys. Scr

      Volume: T156 Pages: 1-3

    • DOI

      10.1088/0031-8949/2013/t156/014078

    • Related Report
      2013 Annual Research Report 2013 Final Research Report
    • Peer Reviewed
  • [Journal Article] Observation of EUV spectra from gadolinium and neodymium ions in the Large Helical Device2013

    • Author(s)
      C. Suzuki
    • Journal Title

      Journal of Physics B: Atomic, Molecular and Optical Physics

      Volume: 45 Issue: 13 Pages: 135002-135002

    • DOI

      10.1088/0953-4075/45/13/135002

    • Related Report
      2013 Final Research Report 2012 Research-status Report
    • Peer Reviewed
  • [Journal Article] Interpretation of spectral emission in the 20 nm region from tungsten ions observed in fusion device plasmas2011

    • Author(s)
      C Suzuki, C S Harte, D Kilbane, T Kato, H A Sakaue, I Murakami, D Kato, K Sato, N Tamura, S Sudo, M Goto, R D'Arcy, E Sokell and G O'Sullivan
    • Journal Title

      Journal of Physics B : Atomic, Molecular and Optical. Physics

      Volume: 44 Issue: 17 Pages: 1-7

    • DOI

      10.1088/0953-4075/44/17/175004

    • Related Report
      2013 Final Research Report 2011 Research-status Report
    • Peer Reviewed
  • [Presentation] Observations of EUV spectra from highly charged heavy ions in optically thin plasmas for benchmarking of models2013

    • Author(s)
      C. Suzuki, F. Koike, I. Murakami, N. Tamura, S. Sudo, T. Higashiguchi and G. O'Sullivan
    • Organizer
      2013 International Workshop on EUV and Soft X-Ray Sources
    • Place of Presentation
      Dublin
    • Related Report
      2013 Final Research Report
  • [Presentation] EUV spectroscopy of highly charged high Z ions in the Large Helical Device plasnlas2013

    • Author(s)
      C. Suzuki, F. Koike, I. Murakami, N. Tamura, S. Sudo, H. A. Sakaue, N. Nakamura, S. Morita, M. Goto, D. Kato, T. Nakano, T. Higashiguchi, C. S. Harte and G. O'Sullivan
    • Organizer
      11th International Colloquium on Atomic Spectra and Oscillator Strengths for Astrophysical and Laboratory Plasmas
    • Place of Presentation
      Mons
    • Related Report
      2013 Final Research Report
  • [Presentation] EUV spectroscopy of highly charged high Z ions in the Large Helical Device plasmas2013

    • Author(s)
      C. Suzuki, F. Koike, I. Murakami, N. Tamura, S. Sudo, H. A. Sakaue, N. Nakamura, S. Morita, M. Goto, D. Kato, T. Nakano, T. Higashiguchi, C. S. Harte and G. O'Sullivan
    • Organizer
      11th International Colloquium on Atomic Spectra and Oscillator Strengths for Astrophysical and Laboratory Plasmas
    • Place of Presentation
      Mons, Belgium
    • Related Report
      2013 Annual Research Report
    • Invited
  • [Presentation] Observations of EUV spectra from highly charged heavy ions in optically thin plasmas for benchmarking of models2013

    • Author(s)
      C. Suzuki, F. Koike, I. Murakami, N. Tamura, S. Sudo, T. Higashiguchi and G. O'Sullivan
    • Organizer
      2013 International Workshop on EUV and Soft X-Ray Sources
    • Place of Presentation
      Dublin, Ireland
    • Related Report
      2013 Annual Research Report
  • [Presentation] Interpretation of EUV spectra from tungsten and lanthanide ions observed in the Large Helical Device2012

    • Author(s)
      C. Suzuki, F. Koike, I. Murakami, N. Tamura, S. Sudo, C. S. Harte, G. O'Sullivan
    • Organizer
      22nd International Toki Conference on Cross-Validation of Experiment and Modeling for Fusion and Astrophysical Plasmas
    • Place of Presentation
      Toki
    • Related Report
      2013 Final Research Report 2012 Research-status Report
  • [Presentation] EUV spectra from highly charged gadolinium and neodymium ions in LHD and laser produced plasnlas2012

    • Author(s)
      C. Suzuki, F. Koike, I. Murakami, N. Tamura, S. Sudo, C. 0'Gorman, B. Li, C. S. Harte, T. Donnelly and G. O'Sullivan
    • Organizer
      16th International Conference on the Physics of Highly Charged Ions
    • Place of Presentation
      Heidelberg
    • Related Report
      2013 Final Research Report
  • [Presentation] Observations of EUV spectra from tungsten and lanthanide ions in LHD2012

    • Author(s)
      C. Suzuki, F. Koike, I. Murakami, T. Kato, M. Goto, T. Nakano, N. Tanlura, S. Sudo, C. S. Harte and G. O'Sullivan
    • Organizer
      The 4th China-Japan Joint Seminar on Atomic and Molecular Processes in Plasma
    • Place of Presentation
      Lanzhou
    • Related Report
      2013 Final Research Report 2012 Research-status Report
  • [Presentation] EUV spectra from highly charged gadolinium and neodymium ions in LHD and laser produced plasmas2012

    • Author(s)
      C. Suzuki, F. Koike, I. Murakami, N. Tamura, S. Sudo, C. O'Gorman, B. Li, C. S. Harte, T. Donnelly and G. O'Sullivan
    • Organizer
      16th International Conference on the Physics of Highly Charged Ions
    • Place of Presentation
      Heidelberg
    • Related Report
      2012 Research-status Report
  • [Presentation] Interpretation of spectral emission around 20 nm region from tungsten ions observed in fusion device plasmas2011

    • Author(s)
      C. Suzuki, C. S. Harte, D. Kilbane, T. Kato, H. A. Sakaue, I. Murakami, (他8名)
    • Organizer
      The 17th International Conference on Atomic Processes in Plasmas
    • Place of Presentation
      Belfast
    • Year and Date
      2011-07-20
    • Related Report
      2013 Final Research Report
  • [Presentation] Interpretation of spectral emission in the 20 nm region from tungsten ions observed in fusion device plasmas2011

    • Author(s)
      C. Suzuki et al
    • Organizer
      The 17th International Conference on Atomic Processes in Plasmas
    • Place of Presentation
      Belfast
    • Related Report
      2011 Research-status Report

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Published: 2011-08-05   Modified: 2019-07-29  

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