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Research Output 1995 2019

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Conference article
2017

2D turbulence structure observed by a fast framing camera system in linear magnetized device PANTA

Ohdachi, S., Shigeru, I., Kobayashi, T. & Goto, M., Apr 19 2017, In : Journal of Physics: Conference Series. 823, 1, 012009.

Research output: Contribution to journalConference article

framing cameras
turbulence
high speed cameras
expansion
2015

Initial data of digital correlation ECE with a Giga Hertz sampling digitizer

Tsuchiya, H., Shigeru, I., Tokuzawa, T. & Nagayama, Y., Mar 12 2015, In : EPJ Web of Conferences. 87, 03010.

Research output: Contribution to journalConference article

analog to digital converters
sampling
intermediate frequencies
temporal resolution
waveforms
2012
1 Citation (Scopus)

Progress of ECRH by EBW in over-dense plasmas and controlling the confinement regime by ECCD with high power launching in LHD

Igami, H., Yoshimura, Y., Takahashi, H., Shimozuma, T., Kubo, S., Idei, H., Nishiura, M., Ogasawara, S., Makino, R., Ohdachi, S., Ida, K., Yoshinuma, M., Ido, T., Shimizu, A., Tamura, N., Shigeru, I. & Mutoh, T., Dec 1 2012, In : EPJ Web of Conferences. 32, 02006.

Research output: Contribution to journalConference article

launching
dense plasmas
electron cyclotron resonance
cyclotrons
heating
2009

Welcome and introductory words

Itoh, S., Shigeru, I., Shindo, M., Yagi, M., Kajiyama, T., Yamamoto, H., Bertin, D., Armand, J. L., Motojima, O., Benkadda, S., Aso, W. & Arikawa, S., Apr 23 2009, In : AIP Conference Proceedings. 1095, p. 3-13 11 p.

Research output: Contribution to journalConference article

2003

Application of Ultrashort-Pulse Reflectometry to Large Helical Device

Kogi, Y., Mase, A., Ohsako, S., Ignatenko, M., Yasuda, T., Bruskin, L. G., Hojo, H., Tokuzawa, T., Shigeru, I., Nagayama, Y. & Kawahata, K., Oct 17 2003, In : IEEE International Conference on Plasma Science. 1 p.

Research output: Contribution to journalConference article

Ultrashort pulses
pulses
impulses
receivers
Plasma devices
38 Citations (Scopus)

Broadband electron cyclotron emission radiometry for the Large Helical Device

Kawahata, K., Nagayama, Y., Shigeru, I. & Ito, Y., Mar 1 2003, In : Review of Scientific Instruments. 74, 3 II, p. 1449-1452 4 p.

Research output: Contribution to journalConference article

Radiometry
Cyclotrons
cyclotrons
broadband
Electron devices
5 Citations (Scopus)

The effect of magnetic field modification on heavy ion movement in advanced stellarators and helical devices

Shishkin, A., Shyshkin, O., Wobig, H., Igitkhanov, Y., Motojima, O., Morimoto, S., Yamazaki, K. & Shigeru, I., Mar 1 2003, In : Journal of Nuclear Materials. 313-316, SUPPL., p. 1192-1196 5 p.

Research output: Contribution to journalConference article

Heavy Ions
stellarators
Heavy ions
heavy ions
Trajectories
2002
8 Citations (Scopus)

Influence of the static magnetic island on the density profiles in LHD

Tanaka, K., Ida, K., Ohyabu, N., Kawahata, K., Tokuzawa, T., Narihara, K., Morisaki, T., Shigeru, I., Nagayama, Y., Peterson, B. J., Sakakibara, S., Yamada, H., Komori, A. & Kaneko, O., Jan 1 2002, In : Plasma Physics and Controlled Fusion. 44, 5 A

Research output: Contribution to journalConference article

magnetic islands
Carrier concentration
Plasmas
profiles
perturbation
2001
21 Citations (Scopus)

Effect of carbon divertor plates on impurities, Zeff and density limit in large helical device

Morita, S., Goto, M., Funaba, H., Idei, H., Ikeda, K., Shigeru, I., Kaneko, O., Kawahata, K., Komori, A., Kubo, S., Kumazawa, R., Masuzaki, S., Miyazawa, J., Morisaki, T., Motojima, O., Muto, S., Mutoh, T., Nakamura, Y., Narihara, K., Nishimura, K. & 20 others, Noda, N., Ohdachi, S., Ohyabu, N., Oka, Y., Osakabe, M., Sagara, A., Sakakibara, S., Sakamoto, R., Seki, T., Shimozuma, T., Shoji, M., Suzuki, H., Takeiri, Y., Tanaka, K., Toi, K., Tokuzawa, T., Tsumori, K., Yamada, H., Watanabe, K. Y. & Watari, T., Sep 12 2001, In : Physica Scripta T. 91, p. 48-52 5 p.

Research output: Contribution to journalConference article

Impurities
Carbon
impurities
Metals
carbon
15 Citations (Scopus)

Improved plasma performance on Large Helical Device

Komori, A., Ohyabu, N., Yamada, H., Kaneko, O., Kawahata, K., Ashikawa, N., DeVaries, P., Emoto, M., Funaba, H., Goto, M., Ida, K., Idei, H., Ikeda, K., Shigeru, I., Inoue, N., Isobe, M., Kado, S., Khlopenkov, K., Kobuchi, T., Kubo, S. & 63 others, Kumazawa, R., Liang, Y., Masuzaki, S., Matsumoto, Y., Minami, T., Miyazawa, J., Morisaki, T., Morita, S., Murakami, S., Muto, S., Mutoh, T., Nagayama, Y., Nakamura, Y., Nakanishi, H., Narihara, K., Narushima, Y., Nishimura, K., Noda, N., Notake, T., Ohdachi, S., Oka, Y., Okamoto, M., Osakabe, M., Ozaki, T., Pavlichenko, R. O., Peterson, B. J., Sagara, A., Saito, K., Sakakibara, S., Sakamoto, R., Sasao, H., Sasao, M., Sato, K., Sato, M., Seki, T., Shimozuma, T., Shoji, M., Suzuki, H., Takechi, M., Takeiri, Y., Tamura, N., Tanaka, K., Toi, K., Tokuzawa, T., Torii, Y., Tsumori, K., Yamada, I., Yamaguchi, S., Yamamoto, S., Yokoyama, M., Yoshimura, Y., Watanabe, K. Y., Watanabe, T., Watari, T., Hamada, Y., Itoh, K., Matsuoka, K., Ohkubo, K., Satow, T., Sudo, S., Yamazaki, K., Motojima, O. & Fujiwara, M., May 1 2001, In : Physics of Plasmas. 8, 5 II, p. 2002-2008 7 p.

Research output: Contribution to journalConference article

configurations
magnetohydrodynamics
magnetic islands
plasma control
stellarators
34 Citations (Scopus)

Ion Cyclotron range of frequency heating experiments on the large helical device and high energy ion behavior

Kumazawa, R., Mutoh, T., Seki, T., Watari, T., Saito, K., Torii, Y., Shimpo, F., Nomura, G., Yokota, M., Kato, A., Hartmann, D. A., Zhao, Y., Fukuyama, A., Okada, H., Ohkubo, K., Sato, M., Kubo, S., Shimozuma, T., Idei, H., Yoshimura, Y. & 69 others, Notake, T., Takita, Y., Kobayashi, S., Itoh, S., Mizuno, Y., Kaneko, O., Takeiri, Y., Oka, Y., Tsumori, K., Osakabe, M., Ikeda, K., Yamamoto, S., Kawamoto, T., Asano, E., Ohyabu, N., Kawahata, K., Komori, A., Yamada, H., Akaishi, K., Ashikawa, N., Emoto, M., Funaba, H., Goto, M., Ida, K., Shigeru, I., Inoue, N., Isobe, M., Krasilnikov, A., Masuzaki, S., Minami, T., Miyazawa, J., Morisaki, T., Morita, S., Murakami, S., Muto, S., Nakamura, Y., Nagayama, Y., Nakanishi, H., Narihara, K., Narushima, Y., Nishimura, K., Noda, N., Kobuchi, T., Ohdachi, S., Ozaki, T., Peterson, B. J., Sagara, A., Sakakibara, S., Sakamoto, R., Sasao, H., Sasao, M., Sato, K., Shoji, M., Suzuki, H., Tanaka, K., Toi, K., Tokuzawa, T., Yamada, I., Yamaguchi, S., Yokoyama, M., Watanabe, K. Y., Watanabe, T., Matsuoka, K., Itoh, K., Sudo, S., Yamazaki, K., Hamada, Y., Motojima, O. & Fujiwara, M., May 1 2001, In : Physics of Plasmas. 8, 5 II, p. 2139-2147 9 p.

Research output: Contribution to journalConference article

cyclotrons
heating
ions
beam injection
neutral beams
2000
2 Citations (Scopus)

Experimental studies on NBI and ICRF heated plasmas in the large helical device

Kawahata, K., Ohyabu, N., Kaneko, O., Komori, A., Yamada, H., Ashikawa, N., De Vries, P., Emoto, M., Funaba, H., Goto, M., Ida, K., Idei, H., Ikeda, K., Shigeru, I., Inoue, N., Isobe, M., Kado, S., Khlopenkov, K., Kubo, S., Kumazawa, R. & 62 others, Masuzaki, S., Minami, T., Miyazawa, J., Morisaki, T., Morita, S., Murakami, S., Muto, S., Mutoh, T., Nagayama, Y., Nakamura, Y., Nakanishi, H., Narihara, K., Nishimura, K., Noda, N., Notake, T., Kobuchi, T., Liang, Y., Ohdachi, S., Oka, Y., Osakabe, M., Ozaki, T., Pavlichenko, R. O., Peterson, B. J., Sagara, A., Saito, K., Sakakibara, S., Sakamoto, R., Sasao, H., Sasao, M., Sato, K., Sato, M., Seki, T., Shimozuma, T., Shoji, M., Suzuki, H., Takechi, M., Takeiri, Y., Tamura, N., Tanaka, K., Toi, K., Tokuzawa, T., Torii, Y., Tsumori, K., Yamada, I., Yamaguchi, S., Yamamoto, S., Yokoyama, M., Yoshimura, Y., Watanabe, K. Y., Watari, T., Itoh, K., Matsuoka, K., Ohkubo, K., Ohtake, I., Satoh, S., Satow, T., Sudo, S., Tanahashi, S., Yamazaki, K., Hamada, Y., Motojima, O. & Fujiwara, M., Jan 1 2000, In : Plasma Physics and Controlled Fusion. 42, 12 SUPPL. B

Research output: Contribution to journalConference article

beam injection
Cyclotrons
neutral beams
plasma frequencies
cyclotrons
19 Citations (Scopus)

Overview of the Large Helical Device

Komori, A., Yamada, H., Kaneko, O., Ohyabu, N., Kawahata, K., Sakamoto, R., Sakakibara, S., Ashikawa, N., DeVries, P. C., Emoto, M., Funaba, H., Goto, M., Ida, K., Idei, H., Ikeda, K., Shigeru, I., Inoue, N., Isobe, M., Kado, S., Kubo, S. & 59 others, Kumazawa, R., Masuzaki, S., Minami, T., Miyazawa, J., Morisaki, T., Morita, S., Murakami, S., Muto, S., Mutoh, T., Nagayama, Y., Nakamura, Y., Nakanishi, H., Narihara, K., Nishimura, K., Noda, N., Kobuchi, T., Ohdachi, S., Oka, Y., Osakabe, M., Ozaki, T., Peterson, B. J., Saito, K., Sagara, A., Sasao, H., Sasao, M., Sato, K., Sato, M., Seki, T., Shimozuma, T., Shoji, M., Suzuki, H., Takechi, M., Takeiri, Y., Tanaka, K., Toi, K., Tokuzawa, T., Tsumori, K., Yamada, I., Yamaguchi, S., Yamamoto, S., Yokoyama, M., Yoshimura, Y., Watanabe, K. Y., Watanabe, T., Watari, T., Hamada, Y., Itoh, K., Matsuoka, K., Murai, K., Ohkubo, K., Ohtake, I., Okamoto, M., Satoh, S., Satow, T., Sudo, S., Tanahashi, S., Yamazaki, K., Motojima, O. & Fujiwara, M., Nov 1 2000, In : Plasma Physics and Controlled Fusion. 42, 11, p. 1165-1177 13 p.

Research output: Contribution to journalConference article

Plasma devices
Plasmas
Heating
Plasma sources
Scaling laws
1999
38 Citations (Scopus)

Behavior of plasma-sprayed tungsten coatings on CFC and graphite under high heat load

Tokunaga, K., Yoshida, N., Noda, N., Kubota, Y., Shigeru, I., Sakamoto, R., Sogabe, T. & Plöchl, L., Mar 2 1999, In : Journal of Nuclear Materials. 266, p. 1224-1229 6 p.

Research output: Contribution to journalConference article

Tungsten
Graphite
fiber composites
Thermal load
carbon fibers
18 Citations (Scopus)

LHD divertor experimental program

Ohyabu, N., Komori, A., Suzuki, H., Morisaki, T., Masuzaki, S., Funaba, H., Noda, N., Nakamura, Y., Sagara, A., Inoue, N., Sakamoto, R., Shigeru, I., Morita, S., Takeiri, Y., Watanabe, T., Motojima, O., Fujiwara, M. & Iiyoshi, A., Mar 2 1999, In : Journal of Nuclear Materials. 266, p. 302-306 5 p.

Research output: Contribution to journalConference article

Fusion reactor divertors
Plasma confinement
Experiments
Cooling
Plasmas