Experimental results for electron Bernstein wave heating in the large helical device

Hiroe Igami, Shin Kubo, Takashi Shimozuma, Yasuo Yoshimura, Hiromi Takahashi, Hiroshi Idei, Masaki Nishiura, Shinya Ogasawara, Ryohei Makino, Ryuhei Kumazawa, Takashi Mutoh, Akio Sagara, Takuya Goto

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    Abstract

    Electron cyclotron heating (ECH) using electron Bernstein waves (EBWs) was studied in the large helical device (LHD). Oblique launching of the slow extraordinary (SX-) mode from the high field side and oblique launching of the ordinary (O-) mode from the low field side were adopted to excite EBWs in the LHD by using electron cyclotron (EC) wave antennas installed apart from the plasma surface. Increases in the stored energy and electron temperature were observed for both cases of launching. These launching methods for ECH using EBWs (EBWH) is promising for high-density operation in future helical fusion devices instead of conventional ECH by normal electromagnetic modes.

    Original languageEnglish
    Article number2402110
    JournalPlasma and Fusion Research
    Volume7
    Issue numberSPL.ISS.1
    DOIs
    Publication statusPublished - Dec 1 2012

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    All Science Journal Classification (ASJC) codes

    • Condensed Matter Physics

    Cite this

    Igami, H., Kubo, S., Shimozuma, T., Yoshimura, Y., Takahashi, H., Idei, H., ... Goto, T. (2012). Experimental results for electron Bernstein wave heating in the large helical device. Plasma and Fusion Research, 7(SPL.ISS.1), [2402110]. https://doi.org/10.1585/pfr.7.2402110