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Author(s):
Y. Takase, A. Ejiri, S. Shiraiwa, N. Kasuya, H. Wada, H. Kasahara, T. Taniguchi, K. Yamagishi, T. Seki, R. Kumazawa, T. Mutoh, T. Watari, K. Saito, H. Torii, T. Yamamoto, N. Takeuchi, C.P. Moeller, R.A. Olstad, H. Ikezi, R. Callis
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Title:
Development of a Fishbone Travelling Wave Antenna for LHD
Date of publication:
Oct. 2002
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Key words:
IAEA, fusion energy conference, Lyon
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Abstract:
A travelling wave antenna in the ion cyclotron range of frequencies (ICRF) is being developed for LHD, motivated by the need to provide a capability for rotational transform profile control by noninductively driven current. Stability calculations suggest that it is possible to increase the beta limit and obtain access to the second stability regime by controlling the rotational transform profile [1,2]. Current drive by the ICRF fast wave (magnetosonic wave) can be used for such a purpose.
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