Imai Tsuyoshi

Profile Information

Affiliation: Professor, Faculty of Pure and Applied Sciences, University of Tsukuba

Degree: Doctor(Osaka University)

J-GLOBAL ID: 200901076486989666
researchmap Member ID: 5000082670

External link: http://www.prc.tsukuba.ac.jp/wp/

Research Areas

Research History

Apr, 2013

Deputy Director, Plasma Research Center, University of Tsukuba
Mar, 2008 - Mar, 2013

Director, Plasma Research Center, University of Tsukuba
May, 2006

University of Tsukuba
Apr, 2001 - Apr, 2004

deputy Director, Department of Fusion Engineering Research, Japa Atomic Energy Reseach Institute
Oct, 1992 - Mar, 2002

室長, 核融合工学部 RF加熱研究室, 日本原子力研究所

Education

- Mar, 1976

Physics, Graduate school of Engineering Science, Osaka University, Osaka University
- Mar, 1974

Electrical Engineering, Department of Engineering Science, Osaka University

Committee Memberships

Jun, 2013 - Dec, 2014

核融合エネルギー連合講演会組織委員会／委員, 核融合エネルギー連合講演会
Apr, 2013 - Mar, 2014

炉心プラズマ共同企画委員会JT-60SA専門委員会／委員, 日本原子力研究開発機構
Aug, 2007 - Jul, 2009

「核融合エネルギーー実証技術」調査専門委員会, 日本電気学会
Jun, 2007 - Jun, 2009

理事, プラズマ・核融合学会
Sep, 2005 - Aug, 2007

「魅力的核融合炉技術」調査専門委員会, 日本電気学会
Jun, 2005 - Jun, 2007

理事, プラズマ・核融合学会

Awards

Dec, 2013

プラズマ核融合学会賞技術進歩賞, ジャイロトロンの高効率化運転によるマルチメガワットECRHシステムの構築とプラズマの高電子温度化への貢献, プラズマ・核融合学会

下妻隆, 高橋裕己, 久保伸, 吉村泰夫, 伊神弘恵, 小林策治, 伊藤哲, 今井剛, 徳沢季彦
Jun, 1999

日本原子力研究所有効賞, 日本原子力研究所

今井剛
Apr, 1996

The first Award of Technology Progress in the Japan Society of Plasma Science and Nuclear Fusion Research

Imai Tsuyoshi
Mar, 1993

The first Award of Research Report in the Japan Society of Plasma Scienc and Nuclear Fusion Research

Imai Tsuyoshi
Jun, 1987

日本原子力研究所有効賞特賞, 日本原子力研究所

今井剛
Jun, 1984

日本原子力研究所有効賞特賞, 日本原子力研究所

今井剛
Jun, 1979

日本原子力研究所有効賞特賞, 日本原子力研究所

今井剛

Papers

214

DEVELOPMENT OF THOMSON SCATTERING SYSTEM IN GAMMA 10

Masayuki Yoshikawa, Xiaolong Wang, Masahiro Morishita, Yoriko Shima, Masayuki Chikatsu, Junko Kohagura, Mizuki Sakamoto, Ryutaro Minami, Masaki Iso, Yousuke Nakashima …

FUSION SCIENCE AND TECHNOLOGY, 68(1) 99-104, Jul, 2015 Peer-reviewed
QUEST装置における28GHz ECHシステムを用いた電流立ち上げ実験(28aAE 核融合プラズマ(球状トカマク,電流駆動),領域2(プラズマ))

Idei,H, MISHRA,KISHORE

Meeting abstracts of the Physical Society of Japan, 69(1) 249, Mar, 2014
高周波非誘導電流駆動における自発高ポロイダルベータ配位の形成(28aAE 核融合プラズマ(球状トカマク,電流駆動),領域2(プラズマ))

MISHRA,KISHORE

Meeting abstracts of the Physical Society of Japan, 69(1) 248, Mar, 2014
Progress of 28 GHz Range High Power Gyrotron for the New Research Development from the Bi-Directional Collaboration Research(Front Runner)

IMAI,Tsuyoshi, KARIYA,Tsuyoshi, MINAMI,Ryutaro, IDEI,Hiroshi, ZUSHI,Hideki, NAGASAKI,Kazunobu, SANO,Fumimichi, KANEKO,Osamu, HINO,Tomoaki

Journal of plasma and fusion research, 89(7) 445-450, Jul, 2013
Optimization of megawatt 77-GHz gyrotron operation for collective thomson scattering in LHD

Shinya Ogasawara, Shin Kubo, Masaki Nishiura, Yoshinori Tatematsu, Teruo Saito, Kenji Tanaka, Takashi Shimozuma, Yasuo Yoshimura, Hiroe Igami, Hiromi Takahashi …

Plasma and Fusion Research, 8(1) 2402069-2402069, 2013
Suppression of spurious mode oscillation in mega-watt 77-GHz gyrotron as a high quality probe beam source for the collective Thomson scattering in LHD

S. Ogasawara, S. Kubo, M. Nishiura, Y. Tatematsu, T. Saito, K. Tanaka, T. Shimozuma, Y. Yoshimura, H. Igami, H. Takahashi …

REVIEW OF SCIENTIFIC INSTRUMENTS, 83(10) 10D731, Oct, 2012 Peer-reviewed
A new frequency-multiplied interferometer system in the GAMMA 10 tandem mirror

J. Kohagura, M. Yoshikawa, Y. Shima, Y. Morikawa, T. Yamada, D. Akita, K. Tatebe, M. Ichimura, M. Hirata, R. Ikezoe …

REVIEW OF SCIENTIFIC INSTRUMENTS, 83(10) 10E310, Oct, 2012 Peer-reviewed
Design of the polarization multi-pass Thomson scattering system

R. Yasuhara, M. Yoshikawa, M. Morimoto, I. Yamada, K. Kawahata, H. Funaba, Y. Shima, J. Kohagura, M. Sakamoto, Y. Nakashima …

REVIEW OF SCIENTIFIC INSTRUMENTS, 83(10) 10E333, Oct, 2012 Peer-reviewed
Development of a High Power Gyrotron System for Plasma Experiments in the Large Helical Device

T., Shimozuma, S., Kubo, Y., Yoshimura, H., Igami, H., Takahashi, M., Nishiura, S., Ogasawara, R., Makino, S., Kobayashi, S., Ito …

4th International Workshop on Far-Infrared Technologies 2012 (IW-FIRT2012) (University of Fukui, 2012.3.7-2012.3.9) (Invited), 7a-5, Mar, 2012
Suppression of Spurious Mode Oscillation of High Power 77 GHz Gyrotron for Collective Thomson Scattering in LHD

Ogasawara,S, Kubo,S, Nishiura,M, Tatematsu,Y, Saito,T, Tanaka,K, Shimozuma,T, Yoshimura,Y, Igami,H, Takahashi,H …

Meeting abstracts of the Physical Society of Japan, 67(1) 263, Mar, 2012
Analysis of end-loss ion flux for application studies of the plasma flow from the end mirror exit of GAMMA 10

Kazuya Ichimura, Yousuke Nakashima, Katsuhiro Hosoi, Hisato Takeda, Takashi Ishii, Hideaki Ueda, Satoshi Kigure, Shigehito Takahashi, Satoru Hotaka, Makoto Ichimura …

Plasma and Fusion Research, 7(1) 2405147-2405147, 2012 Peer-reviewed
ECW/EBW heating and current drive experiment results and prospects for CW operation in QUEST

Hiroshi Idei, Hideki Zushi, Kazuaki Hanada, Evgeniya Kalinnikova, Kazuo Nakamura, Akihide Fujisawa, Yoshihiko Nagashima, Makoto Hasegawa, Keisuke Matsuoka, Tsuyoshi Kariya …

Plasma and Fusion Research, 7(1), 2012 Peer-reviewed
Identification of spurious modes of high-power 77-GHz gyrotron for collective thomson scattering in LHD

Shinya Ogasawara, Shin Kubo, Masaki Nishiura, Yoshinori Tatematsu, Teruo Saito, Kenji Tanaka, Takashi Shimozuma, Yasuo Yoshimura, Hiroe Igami, Hiromi Takahashi …

Plasma and Fusion Research, 7(1) 2405061-2405061, 2012 Peer-reviewed
Analysis of neutral transport in GAMMA 10 SMBI experiments

Katsuhiro Hosoi, Yousuke Nakashima, Shinji Kobayshi, Nobuhiro Nishino, Tohru Mizuuchi, Takashi Ishii, Kazuya Ichimura, Hisato Takeda, Hideaki Ueda, Satoru Kigure …

Plasma and Fusion Research, 7(1) 2402126-2402126, 2012
Flute instability in the tandem mirror with the divertor/dipole regions

I. Katanuma, S. Masaki, S. Sato, K. Sekiya, M. Ichimura, T. Imai

PHYSICS OF PLASMAS, 18(11), Nov, 2011 Peer-reviewed
New Program and Boundary Plasma Research in GAMMA/10 Modification (GAMMA-PDX)

IMAI,Tsuyoshi, GAMMA, Group

Journal of plasma and fusion research, 87(11) 752-786, Nov, 2011
EC wave plasma breakdown on GAMMA 10 device

Hiroyuki Shidara, Yousuke Nakashima, Tsuyoshi Imai, Tsuyoshi Kariya, Ryutaro Minami, Makoto Ichimura, Masayuki Yoshikawa

FUSION ENGINEERING AND DESIGN, 86(6-8) 913-915, Oct, 2011 Peer-reviewed
Electron temperature measurements by using newly installed Thomson scattering system in GAMMA 10,

今井, 剛

15th International Symposium on LASER-AIDED PLASMA DIAGNOSTICS (Shine Ville Resort, Jeju, Korea, 2011.10.9-2011.10.13), O4-1, Oct, 2011 Peer-reviewed
Optimization of High Power and High Efficiency Operation of 77GHz Gyrotrons for ECRH in the Large Helical Device

T., Shimozuma, H., Takahashi, S., Ito, S., Kobayashi, S., Kubo, Y., Yoshimura, H., Igami, M., Nishiura, S., Ogasawara, R., Makino …

IRMMW-THz 2011 (Houston, USA, 2011.10.2-2011.10.7), Oct, 2011
Divertor simulation experiment and its future research plan making use of a large tandem mirror device

Y. Nakashima, H. Takeda, K. Hosoi, R. Yonenaga, I. Katanuma, K. Ichimura, M. Ichimura, T. Imai, T. Ishii, T. Kariya …

JOURNAL OF NUCLEAR MATERIALS, 415(1) S996-S1000, Aug, 2011 Peer-reviewed

Books and Other Publications

ITERにおける高周波加熱・電流駆動の計画と展望

今井, 剛 (Role: Supervisor (editorial))

Journal of Plasma and Fusion Research Journal of Plasma and Fusion Research, Mar, 2005
核融合炉工学概論

今井, 剛 (Role: Contributor)

日刊工業新聞社, Sep, 2001
ミリ波帯の強力な電磁波発振装置ジャイロトロン

今井, 剛 (Role: Supervisor (editorial))

電磁環境工学情報電磁環境工学情報, Jan, 1998

Presentations

Development of MW Gyrotrons for Fusion Devices by University of Tsukuba

R.,Minami, T. Kariya, T. Imai, T. Numakura, Y. Endo, H. Nakabayashi, T. Eguchi, T. Shimozuma, S. Kubo, Y. Yoshimura, H. Igami

US-EU-Japan Workshop on RF Heating Technology and US-Japan Workshop on RF Heating Physics, Dec 11, 2012
Behaviors of hydrogen isotopes in silicon carbide for evaluation of hydrogen permeability and retention in nuclear fusion systems

S.,Nagata, H.Katsui, T.Shikama, Y.Hatano, M.Matsuiyama, Y.Oya, K.Okuno, Y.Katoh, M.Shimada, Y.Nakajima, T.Imai

24th IAEA Fusion Energy Conference (FEC2012), Oct 8, 2012
Coupling of ICRF Waves and Axial Transport of High-Energy Ions Owing to Spontaneously Excited Waves in the GAMMA 10 Tandem Mirror

M.,Ichimura, R. Ikezoe, M. Hirata, T. Iwai, T. Yokoyama, Y. Ugajin, T. Sato, T. Iimura, Y. Saito, M. Yoshikawa, J. Kohagura, Y

24th IAEA Fusion Energy Conference (FEC2012), Oct 8, 2012
Development of MW Gyrotrons for Fusion Devices by University of Tsukuba

R.,Minami, T. Kariya, T. Imai, T. Numakura, Y. Endo, H. Nakabayashi, T. Eguchi, T. Shimozuma, S. Kubo, Y. Yoshimura, H. Igami, H

24th IAEA Fusion Energy Conference (FEC2012), Oct 8, 2012
GAMMA 10/PDX project status and future

Imai,T, Ichimura,M, Nakashima,Y, Sakamoto,M, Katanuma,I, Yoshikawa,M, Kariya,T, Hirata,M, Kohagura,J, Minami,R, Numakura,T, Ikezoe,R, Oki,K, Sakamoto,K

the International Conference on Open Magnetic Systems for Plasma Confinement (OS) and the International Workshop on Plasma Material Interaction Facilities for Fusion (PMIF, Aug 27, 2012, Univ. of Tsukuba Invited
Potential Fluctuation Study from the Core Plasma to End Region in the GAMMA 10 Tandem Mirror

M.,Yoshikawa, M. Sakamoto, Y. Miyata, M. Aoyama, M. Mizuguchi, M. Hirata, M. Ichimura, T. Imai, T. Kariya, I. Katanuma, J. Kohag

24th IAEA Fusion Energy Conference (FEC2012), Aug 27, 2012
DEVELOPMENT OF 154 GHz 1 MW GYROTRON FOR ECRH OF LHD

Kariya,T, Minami,R, Imai,T, Shimozuma,T, Kubo,S, Yoshimura,Y, Takahashi,H, Ito,S, Mutoh,T, Nakabayashi,H, Eguchi,T, Numakura,T, Endo,Y, Mitsunaka,Y, Sakamoto,K

Joint Conference of 9th International Conference on Open Magnetic Systems for Plasma Confinement (OS) and 3rd International Workshop on Plasma Material Interaction Facilities for Fusion Research (PMIF), Aug 27, 2012
2-DIMENSIONAL SOFT X-RAY BEHAVIOR OF ECR HEATED PLASMA IN GAMMA 10

Kawarasaki,R, Imai,T, Minami,R, Kariya,T, Numakura,T, Nakabayashi,H, Eguchi,T, Nakazawa,K, Mizuguchi,M, Yoshikawa,M, Sakamoto,M

Joint Conference of 9th International Conference on Open Magnetic Systems for Plasma Confinement (OS) and 3rd International Workshop on Plasma Material Interaction Facilities for Fusion Research (PMIF), Aug 27, 2012
RESULTS OF ECH POWER MODULATION EXPERIMENTING HIGH AND ELM-LIKE HEAT FLUX IN GAMMA 10 TANDEM MIRROR

R.,Minami, Imai,T, Kariya,Tsuyoshi, Numakura,T, Nakabayashi,H, Eguchi,T, Kawarasaki,R, Nakazawa,K, Endo,Y

Joint Conference of 9th international Conference on Open Systems for Plasma Confinement (OS2012) and 3rd International Workshop on Plasma Material Interaction Facilities for Fusion (PMIF2012), Aug 27, 2012
THE PERFORMANCE TEST AND THE IMPROVED DESIGN OF 28 GHz 1 MW GYROTRON

H.,Nakabayashi, Kariya,Tsuyoshi, Imai,T, Minami,R, Numakura,T, Eguchi,T, Kawarasaki,R, Nakazawa,H, Sakamoto,K

Joint Conference of 9th international Conference on Open Systems for Plasma Confinement (OS2012) and 3rd International Workshop on Plasma Material Interaction Facilities for Fusion (PMIF2012), Aug 27, 2012
The improvement of the ECH antenna system in the GAMMA 10

Nakazawa,K, Imai,T, Kariya,T, Minami,Ryutaro, Numakura,T, Nakabayashi,H, Eguchi,T, Kawarasaki,R

Joint conference of 9th International Conference on Open Magnetic Systems for Plasma Confinement (OS2012) and 3rd Internationala Workshop on Plasma Material Interaction Facilities for Fusion (PMIF2012), Aug 27, 2012
Development of 28 GHz / 35 GHz Dual-Frequency Gyrotron for Fusion Research

Eguchi,T, Kariya,T, Imai,T, Nakabayashi,H, 南,龍太郎, Numakura,T, Kawarasaki,R, Nakazawa,K

Joint conference of 9th International Conference on Open Magnetic Systems for Plasma Confinement (OS2012) and 3rd Internationala Workshop on Plasma Material Interaction Facilities for Fusion (PMIF2012), Aug 27, 2012
Numerical Calculation of the Gyrotron Oscillator in ECH Systems in GAMMA 10 by the use of Parallel Algorithms

T.,Numakura, Imai,T, Kariya,Tsuyoshi, Minami,R, Nakabayashi,H, Eguchi,T, Kawarasaki,R, Nakazawa,Y

Joint Conference of 9th international Conference on Open Systems for Plasma Confinement (OS2012) and 3rd International Workshop on Plasma Material Interaction Facilities for Fusion (PMIF2012), Aug 27, 2012
Divertor simulation experiment and its future research plan making use of a large tandem mirror device

Nakashima, Y, Takeda, H, Hosoi, K, Yonenaga, R, Katanuma, I, Ichimura, K, Ichimura, M, Imai, T, Ishii, T, Kariya, T, Kiwamoto, Y, Minami, R, Miyata, Y, Ozawa, H, Shidara, H, Yamaguchi, Y, Yoshikawa, M, Asakura, N, Hatayama, A, Higashizono, Y, Kado, S, Masuzaki, S, Nishino, N, Ohno, N, Ueda, Y

19th International Conference on Plasma-Surface Interactions in Controlled Fusion Devices (PSI), May 20, 2012
EC wave plasma breakdown on GAMMA 10 device

Shidara, Hiroyuki, Nakashima, Yousuke, Imai, Tsuyoshi, Kariya, Tsuyoshi, Minami, Ryutaro, Ichimura, Makoto, Yoshikawa, Masayuki

26th Symposium on Fusion Technology (SOFT), Sep 27, 2010
CORRELATION ANALYSIS OF ELECTROSTATIC FLUCTUATION BETWEEN CENTRAL AND END CELLS IN GAMMA 10

Miyata, Yoshiaki, Yoshikawa, Masayuki, Oono, Youhei, Yaguchi, Fumiaki, Ichimura, Makoto, Murakami, Tatsuya, Imai, Tsuyoshi

8th International Conference on Open Magnetic Systems for Plasma Confinement (OS2010), Jul 5, 2010
DEVELOPMENT OF 28 GHz-1 MW GYROTRON FOR GAMMA10 ECRH

Ota, Mao, Kariya, Tsuyoshi, Imai, Tsuyoshi, Sakamoto, Keishi, Minami, Ryutaro, Endo, Yoichi, Aoki, Hitomi, Iizumi, Hideaki, Kondou, Hideyuki

8th International Conference on Open Magnetic Systems for Plasma Confinement (OS2010), Jul 5, 2010
STUDIES OF GAMMA 10 ECRH CHARACTERISTICS FROM THE SOFT X-RAY MEASUREMENT

Iizumi, Hideaki, Minami, Ryutaro, Imai, Tsuyoshi, Kariya, Tsuyoshi, Aoki, Hitomi, Kondou, Hideyuki, Ota, Mao

8th International Conference on Open Magnetic Systems for Plasma Confinement (OS2010), Jul 5, 2010
Present status of the GAMMA 10 and future plan in University of Tsukuba

T., Imai, M., Ichimura, Y., Nakashima, M., Yoshikawa, I., Katanuma, T., Kariya, H., Hojo;R, Minami Y. Miyata, Y., Yamaguchi, H., Shidara, GAMMA, group

____BM9.4, Nov, 2009
DENSITY FLUCTUATION MEASUREMENTS IN THE TANDEM MIRROR GAMMA-10

Yoshikawa, Masayuki, Matsumoto, Toshiaki, Negishi, Shinsuke, Imai, Neo, Kimura, Kazutaka, Miyata, Yoshiaki, Mizuguchi, Masanori, Yoneda, Yoshitaka, Oono, Youhei, Itakura, Akiyosi, Shima, Yoriko, Hojo, Hitoshi, Imai, Tsuyoshi

7th International Conference on Open Magnetic Systems for Plasma Confinement, Jul 15, 2008

Professional Memberships

Research Projects

Discharge induced by high power electro magnetic wave beam and its technology application

Grant-in-Aid for Scientific Research (S), Japan Society of for the Promotion of Science, Jun, 2015 - Mar, 2020

Kimiya Komurasaki
Study of Multi-MW gyrotron Oscillation for Demo-ECH

Apr, 2014 - Mar, 2019

Tsuyoshi Imai
大電力テラヘルツジャイロトロンの開発と発振ダイナミクスの研究

科学研究費助成事業（科学研究費補助金）基盤研究(A), 日本学術振興会, Apr, 2013 - Mar, 2017

坂本慶司
大電力ジャイロトロン、高周波数ジャイロトロンの実証化研究

国内共同研究, 大学共同利用機関法人自然科学研究機構核融合科学研究所, Jun, 2014 - Mar, 2015

今井剛
電子サイクロトロン加熱によるコア及び境界プラズマの輸送制御

Apr, 2010 - Mar, 2015
Studies of plasma heating and confinement by Electron Cyclotron wave in tandem mirror devices

May, 2004 - Mar, 2015
ＥＣ加熱変調を用いたＥＬＭ状熱流束模擬による境界プラズマ制御研究

基盤研究(C), 日本学術振興会, 2011 - 2013

今井剛
大電力ジャイロトロンの定常運転化と高周波数化に向けた研究

国内共同研究, 大学共同利用機関法人自然科学研究機構核融合科学研究所, May, 2010 - Mar, 2011

今井剛
大電力定常ジャイロトロン管の高性能化及び精密試験のための研究

国内共同研究, 大学共同利用機関法人自然科学研究機構核融合科学研究所, Jun, 2009 - Mar, 2010

今井剛
大電力定常ジャイロトロン管の高出力化研究

国内共同研究, 大学共同利用機関法人自然科学研究機構核融合科学研究所, Jul, 2008 - Mar, 2009

今井剛
Performance Improvement of High Power Steady-state Gyrotron

Jun, 2007 - Mar, 2008
Improvement of plasma performance by strong ECH with high power gyrotron

Apr, 2005 - Mar, 2008
電子サイクロトロン加熱によるプラズマ能動制御と閉じ込め改善

基盤研究(C), 日本学術振興会, 2007 - 2008

今井剛
Development of High Power Steady State Gyrotron Technology

Jul, 2006 - Mar, 2007
Development of gyrotron for ECH

Sep, 2005

Profile Information

Research Areas

Research History

Education

Committee Memberships

Awards

Papers

Books and Other Publications

Presentations

Professional Memberships

Research Projects

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