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Journal Articles

A New diagnostic method for electromagnetic field patterns of fast waves during FWCD experiments in JFT-2M

Saigusa, Mikio*; Kanazawa, Sadayoshi*; Ogawa, Toshihide; Kawashima, Hisato; Kikuchi, Kazuo; Ido, Takeshi*; Fukuyama, Atsushi*

Nuclear Fusion, 42(4), p.412 - 417, 2002/04

 Times Cited Count:2 Percentile:6.81(Physics, Fluids & Plasmas)

A new diagnostic method is proposed for direct measurements of electromagnetic field patterns of fast waves in toroidal plasmas. The fluctuation of ponderomotive potential at a beat wave frequency between the two frequency fast waves produces the actual potential fluctuation via electron and ion motions. A heavy ion beam probe (HIBP) detected the potential fluctuation patterns at a beat wave frequency during the fast wave pulse. The amplitude of potential fluctuations decreases with increasing an electron temperature in fast wave current drive (FWCD) experiments of JFT-2M, due to the improvement of wave absorption via electron Landau damping. The measured potential fluctuation does not contradict with the prediction using a full wave code calculations.

Journal Articles

Radiofrequency experiments in JFT-2M; Demonstration of innovative applications of a travelling wave antenna

Ogawa, Toshihide; Hoshino, Katsumichi; Kanazawa, Sadayoshi*; Saigusa, Mikio*; Ido, Takeshi*; Kawashima, Hisato; Kasuya, N.*; Takase, Yuichi*; Kimura, Haruyuki; Miura, Yukitoshi; et al.

Nuclear Fusion, 41(12), p.1767 - 1775, 2001/12

 Times Cited Count:32 Percentile:71.05(Physics, Fluids & Plasmas)

no abstracts in English

Journal Articles

The Evaluation of mode purity for ECCD using single deep grooved polarizer

Saigusa, Mikio*; Kikuchi, Yusuke*; Takei, Nahoko*; Kanazawa, Sadayoshi*; Kasugai, Atsushi; Sakamoto, Keishi; Imai, Tsuyoshi

Fusion Engineering and Design, 53(1-4), p.505 - 510, 2001/01

 Times Cited Count:11 Percentile:62.08(Nuclear Science & Technology)

no abstracts in English

Journal Articles

Coupling and heating experiments using fast wave antenna with back faraday shield on JFT-2M

Ogawa, Toshihide; Saigusa, Mikio*; Kawashima, Hisato; Kanazawa, Sadayoshi*; JFT-2M Group

Fusion Technology, 39(1T), p.305 - 308, 2001/01

no abstracts in English

Journal Articles

New application of a deep grooved polarizer for ECCD

Saigusa, Mikio*; Takei, Nahoko*; Kanazawa, Sadayoshi*; Kikuchi, Yusuke*; Kasugai, Atsushi; Sakamoto, Keishi; Imai, Tsuyoshi

Journal of Plasma and Fusion Research SERIES, Vol.3, p.383 - 386, 2000/00

no abstracts in English

Journal Articles

Direct measurement of electromagnetic field pattern of fast wave in FWCD experiments using ponderomotive potential produced by beat wave in JFT-2M

Saigusa, Mikio*; Kanazawa, Sadayoshi; Ogawa, Toshihide; Ido, Takeshi*; Kawashima, Hisato; Kikuchi, Kazuo; Fukuyama, Atsushi*; Kamiya, Kensaku; JFT-2M Team

Proceedings of 2000 International Congress on Plasma Physics (ICPP 2000), Vol.3, p.844 - 847, 2000/00

no abstracts in English

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