Recent diagnostic developments on LHD

S. Sudo, T. Ozaki, N. Ashikawa, M. Emoto, M. Goto, Y. Hamada, K. Ida, T. Ido, H. Iguchi, S. Inagaki, M. Isobe, K. Kawahata, K. Khlopenkov, T. Kobuchi, Y. Liang, S. Masuzaki, T. Minami, S. Morita, S. Muto, Y. NagayamaH. Nakanishi, K. Narihara, A. Nishizawa, S. Ohdachi, M. Osakabe, B. J. Peterson, S. Sakakibara, M. Sasao, K. Sato, M. Shoji, N. Tamura, K. Tanaka, K. Toi, T. Tokuzawa, K. Watanabe, T. Watanabe, I. Yamada, P. Goncharov, A. Ejiri, S. Okajima, A. Mase, S. Tsuji-Iio, T. Akiyama, J. F. Lyon, L. N. Vyacheslavov, A. Sanin

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11 Citations (Scopus)


The recent diagnostic developments on the large helical device (LHD) are described briefly. LHD is the largest helical machine with all superconducting coils, and its purpose is to prove the ability of a helical system to confine a fusion-relevant plasma in steady state. According to the missions of LHD research, the diagnostic devices are categorized as follows: diagnostics for (i) high nτET plasmas and transport physics; (ii) magnetohydrodynamic stability; (iii) long pulse operation and divertor function; and (iv) energetic particles. These are briefly described focusing on the recent developments of the devices. Since the LHD experiment started in March 1998, five series of experimental campaigns have been carried out. The LHD diagnostics during these periods were operated successfully, and contributed to the analysis of the experimental results.

Original languageEnglish
Pages (from-to)1127-1142
Number of pages16
JournalPlasma Physics and Controlled Fusion
Issue number7
Publication statusPublished - Jul 2003
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Nuclear Energy and Engineering
  • Condensed Matter Physics


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