Mode-content analysis and field reconstruction of propagating waves in corrugated Waveguides of an ECH system

Takashi Shimozuma, Hiroshi Idei, Michael A. Shapiro, Richard J. Temkin, Shin Kubo, Hiroe Igami, Yasuo Yoshimura, Hiromi Takahashi, Satoshi Ito, Sakuji Kobayashi, Yoshinori Mizuno, Yasuyuki Takita, Takashi Mutoh

    Research output: Contribution to journalArticle

    6 Citations (Scopus)

    Abstract

    A new method is proposed to analyze the mode content of high power electromagnetic waves that are propagating through corrugated waveguides in the electron cyclotron resonance heating (ECH) systems for nuclear fusion devices. The method was applied to the 168GHz transmission line of the ECH system in the Large Helical Device (LHD) to evaluate the waveguide alignment. The mode content of the propagating waves could be accurately analyzed using this method. Furthermore, the wave field in the waveguide was reconstructed using the mode content information obtained for each mode.

    Original languageEnglish
    Article numberS1029
    JournalPlasma and Fusion Research
    Volume5
    DOIs
    Publication statusPublished - Jan 1 2010

    Fingerprint

    corrugated waveguides
    electron cyclotron resonance
    heating
    waveguides
    nuclear fusion
    transmission lines
    electromagnetic radiation
    alignment

    All Science Journal Classification (ASJC) codes

    • Condensed Matter Physics

    Cite this

    Mode-content analysis and field reconstruction of propagating waves in corrugated Waveguides of an ECH system. / Shimozuma, Takashi; Idei, Hiroshi; Shapiro, Michael A.; Temkin, Richard J.; Kubo, Shin; Igami, Hiroe; Yoshimura, Yasuo; Takahashi, Hiromi; Ito, Satoshi; Kobayashi, Sakuji; Mizuno, Yoshinori; Takita, Yasuyuki; Mutoh, Takashi.

    In: Plasma and Fusion Research, Vol. 5, S1029, 01.01.2010.

    Research output: Contribution to journalArticle

    Shimozuma, T, Idei, H, Shapiro, MA, Temkin, RJ, Kubo, S, Igami, H, Yoshimura, Y, Takahashi, H, Ito, S, Kobayashi, S, Mizuno, Y, Takita, Y & Mutoh, T 2010, 'Mode-content analysis and field reconstruction of propagating waves in corrugated Waveguides of an ECH system', Plasma and Fusion Research, vol. 5, S1029. https://doi.org/10.1585/pfr.5.S1029
    Shimozuma, Takashi ; Idei, Hiroshi ; Shapiro, Michael A. ; Temkin, Richard J. ; Kubo, Shin ; Igami, Hiroe ; Yoshimura, Yasuo ; Takahashi, Hiromi ; Ito, Satoshi ; Kobayashi, Sakuji ; Mizuno, Yoshinori ; Takita, Yasuyuki ; Mutoh, Takashi. / Mode-content analysis and field reconstruction of propagating waves in corrugated Waveguides of an ECH system. In: Plasma and Fusion Research. 2010 ; Vol. 5.
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    abstract = "A new method is proposed to analyze the mode content of high power electromagnetic waves that are propagating through corrugated waveguides in the electron cyclotron resonance heating (ECH) systems for nuclear fusion devices. The method was applied to the 168GHz transmission line of the ECH system in the Large Helical Device (LHD) to evaluate the waveguide alignment. The mode content of the propagating waves could be accurately analyzed using this method. Furthermore, the wave field in the waveguide was reconstructed using the mode content information obtained for each mode.",
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    AU - Shimozuma, Takashi

    AU - Idei, Hiroshi

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    AU - Temkin, Richard J.

    AU - Kubo, Shin

    AU - Igami, Hiroe

    AU - Yoshimura, Yasuo

    AU - Takahashi, Hiromi

    AU - Ito, Satoshi

    AU - Kobayashi, Sakuji

    AU - Mizuno, Yoshinori

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