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Research Output 2006 2019

  • 281 Citations
  • 11 h-Index
  • 55 Article
  • 8 Conference contribution
  • 1 Comment/debate
  • 1 Conference article
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Article
2019

A full wave simulation on the density dependence of a slow wave excitation in the GAMMA 10/PDX central cell with TASK/WF3D

Ikezoe, R., Kubota, Y., Ichimura, M., Hirata, M., Sumida, S., Jang, S., Izumi, K., Tanaka, A., Sekine, R., Kayano, H., Shima, Y., Kohagura, J., Yoshikawa, M., Sakamoto, M., Nakashima, Y. & Fukuyama, A., Jan 1 2019, In : Plasma and Fusion Research. 14, Specialissue1, 2402003.

Research output: Contribution to journalArticle

Open Access
wave excitation
heating
cells
beaches
ions
1 Citation (Scopus)

Characteristics of fast 3He ion velocity distribution exciting ion cyclotron emission on JT-60U

Sumida, S., Shinohara, K., Ikezoe, R., Ichimura, M., Sakamoto, M., Hirata, M. & Ide, S., Feb 1 2019, In : Plasma Physics and Controlled Fusion. 61, 2, 025014.

Research output: Contribution to journalArticle

Cyclotrons
Velocity distribution
cyclotrons
velocity distribution
Ions

Effect of the potential of confined plasma on end-loss Ion in GAMMA 10/PDX

Jang, S., Ichimura, M., Hirata, M., Ikezoe, R., Sakamoto, M., Sumida, S., Izumi, K., Tanaka, A., Kubota, Y., Sekine, R., Kayano, H. & Nakashima, Y., Jan 1 2019, In : Plasma and Fusion Research. 14, Specialissue1, 2402032.

Research output: Contribution to journalArticle

ions
plasma loss
tandem mirrors
cells
plasma density

HFS injection of X-mode for EBW conversion in QUEST

Elserafy, H., Hanada, K., Kuroda, K., Idei, H., Yoneda, R., Huang, C., Kojima, S., Hasegawa, M., Nagashima, Y., Onchi, T., Ikezoe, R., Higashijima, A., Nagata, T., Kawasaki, S., Shimabukuro, S., Bertelli, N. & Ono, M., Jan 1 2019, In : Plasma and Fusion Research. 14, 1, 1205038.

Research output: Contribution to journalArticle

injection
electrons
plasma heating
plasma currents
vessels

High voltage electrical system of 8.56 GHz CW klystron for electron cyclotron heating on QUEST spherical tokamak

Onchi, T., Idei, H., Nakamura, K., Nagata, T., Kawasaki, S., Ashida, R., Fukuyama, M., Hasegawa, M., Ikezoe, R., Higashijima, A., Kuroda, K., Nagashima, Y. & Hanada, K., Sep 1 2019, In : Fusion Engineering and Design. 146, p. 2567-2570 4 p.

Research output: Contribution to journalArticle

Cyclotrons
Insulated gate bipolar transistors (IGBT)
Heating
Electrons
Electric potential
2 Citations (Scopus)

Impact of additional plasma heating on detached plasma formation in divertor simulation experiments using the GAMMA 10/PDX tandem mirror

Nakashima, Y., Islam, M. S., Iijima, T., Sakamoto, M., Ezumi, N., Yoshikawa, M., Asakura, N., Fukumoto, M., Hatayama, A., Hirata, M., Ichimura, M., Ikezoe, R., Imai, T., Islam, M. M., Kariya, T., Kohagura, J., Masuzaki, S., Minami, R., Nakano, T., Nojiri, K. & 7 others, Numakura, T., Sawada, K., Shoji, M., Terakado, A., Togo, S., Yamashita, S. & Yoshimoto, T., Jan 2019, In : Nuclear Materials and Energy. 18, p. 216-221 6 p.

Research output: Contribution to journalArticle

Open Access
Plasma heating
tandem mirrors
electron cyclotron heating
plasma heating
Cyclotrons

Investigation of ICRF heating effect in anchor region on GAMMA 10/PDX

Hirata, M., Itagaki, J., Ikezoe, R., Ichimura, M., Sumida, S., Jang, S., Izumi, K., Tanaka, A., Kubota, Y., Sekine, R., Kayano, H., Sakamoto, M. & Nakashima, Y., Jan 1 2019, In : Plasma and Fusion Research. 14, Specialissue1, 2402055.

Research output: Contribution to journalArticle

cyclotrons
heating
phase control
ions
plasma control

Investigation of ICRF heating efficiency in plug/barrier cell on GAMMA 10/PDX with a full-wave code

Kubota, Y., Hirata, M., Jang, S., Ichimura, M., Ikezoe, R., Sakamoto, M., Sumida, S., Tanaka, A., Izumi, K., Sekine, R., Kayano, H., Nakashima, Y. & Fukuyama, A., Jan 1 2019, In : Plasma and Fusion Research. 14, Specialissue1, 2401012.

Research output: Contribution to journalArticle

Open Access
plugs
cyclotrons
heating
antennas
cells

Measurement of end-loss ions originated from spontaneously excited high frequency waves by using an MCP detector on GAMMA 10/PDX

Izumi, K., Ikezoe, R., Ichimura, M., Hirata, M., Sakamoto, M., Sumida, S., Jang, S., Tanaka, A., Kubota, Y., Sekine, R., Kayano, H. & Nakashima, Y., Jan 1 2019, In : Plasma and Fusion Research. 14, Specialissue1, 2402033.

Research output: Contribution to journalArticle

detectors
ions
cyclotrons
ion temperature
energy

Observation Of Density Fluctuations Originated From RF waves with two-channel reflectometer in GAMMA 10/PDX

Sekine, R., Ikezoe, R., Jang, S., Hirata, M., Ichimura, M., Sakamoto, M., Sumida, S., Izumi, K., Tanaka, A., Kubota, Y., Kayano, H. & Nakashima, Y., Jan 1 2019, In : Plasma and Fusion Research. 14, Specialissue1, 2402011.

Research output: Contribution to journalArticle

Open Access
reflectometers
cyclotrons
ions
microwave reflectometers
horn antennas

Observation of potential increase in the central cell due to ICRF heating in the non-axisymmetric anchor cell on GAMMA 10/PDX

Tanaka, A., Ichimura, M., Hirata, M., Ikezoe, R., Sumida, S., Jang, S., Izumi, K., Kubota, Y., Sekine, R., Kayano, H., Sakamoto, M. & Nakashima, Y., Jan 1 2019, In : Plasma and Fusion Research. 14, Specialissue1, 2401028.

Research output: Contribution to journalArticle

cyclotrons
heating
cells
ions
antennas

Prototype phased-array patch loop antennae for electron cyclotron emission diagnostics

Fukuyama, M., Idei, H., Yunoki, M., Ashida, R., Ogata, D., Ikezoe, R. & Onchi, T., Jan 1 2019, In : Plasma and Fusion Research. 14, 3402111.

Research output: Contribution to journalArticle

Open Access
loop antennas
patch antennas
phased arrays
cyclotrons
prototypes

Quasi-optical polarizer system for ECHCD experiments in the QUEST

Fukuyama, M., Idei, H., Tsujimura, T. I., Kubo, S., Kobayashi, S., Yunoki, M., Onchi, T. & Ikezoe, R., Sep 1 2019, In : Fusion Engineering and Design. 146, p. 1437-1440 4 p.

Research output: Contribution to journalArticle

Cyclotrons
Optical systems
Electric lines
Mirrors
Polarization

Suppression of flute-like fluctuation by potential formation in GAMMA 10/PDX

Yoshikawa, M., Kohagura, J., Ikezoe, R., Sakamoto, M., Ezumi, N., Minami, R., Hirata, M., Terakado, A., Nojiri, K., Jang, S., Tanaka, A., Ichimura, M., Imai, T. & Nakashima, Y., Jun 10 2019, In : Nuclear Fusion. 59, 7, 076031.

Research output: Contribution to journalArticle

electron cyclotron heating
retarding
plugs
tandem mirrors
ions
2 Citations (Scopus)

Synergistic effect of nitrogen and hydrogen seeding gases on plasma detachment in the GAMMA 10/PDX tandem mirror

Ezumi, N., Iijima, T., Sakamoto, M., Nakashima, Y., Hirata, M., Ichimura, M., Ikezoe, R., Imai, T., Kariya, T., Katanuma, I., Kohagura, J., Minami, R., Numakura, T., Yoshikawa, M., Togo, S., Islam, M. S., Islam, M. M., Nojiri, K., Terakado, A., Jang, S. & 15 others, Kinoshita, Y., Mikami, T., Yamashita, S., Yoshimoto, T., Hara, T., Hatayama, A., Ichimura, K., Kado, S., Masuzaki, S., Nakano, T., Ohno, N., Sawada, S., Tanaka, H., Tonegawa, A. & Perillo, R., May 9 2019, In : Nuclear Fusion. 59, 6, 066030.

Research output: Contribution to journalArticle

tandem mirrors
inoculation
detachment
nitrogen
hydrogen
2017
9 Citations (Scopus)

Comparison of dispersion model of magneto-acoustic cyclotron instability with experimental observation of3He ion cyclotron emission on JT-60U

Sumida, S., Shinohara, K., Ikezoe, R., Ichimura, M., Sakamoto, M., Hirata, M. & Ide, S., Dec 15 2017, In : journal of the physical society of japan. 86, 12, 124501.

Research output: Contribution to journalArticle

cyclotrons
acoustics
ions
rings
velocity distribution

Measurement of ICRF wave propagation using a microwave reflectometer with fast antenna switching on GAMMA 10

Ikezoe, R., Ichimura, M., Itagaki, J., Hirata, M., Sumida, S., Jang, S., Izumi, K., Tanaka, A., Sekine, R., Kubota, Y., Shima, Y., Kohagura, J., Yoshikawa, M., Sakamoto, M. & Nakashima, Y., Dec 11 2017, In : Journal of Instrumentation. 12, 12, C12017.

Research output: Contribution to journalArticle

microwave reflectometers
Reflectometers
Cyclotrons
Wave propagation
Wave Propagation
3 Citations (Scopus)

Multi-point measurement using two-channel reflectometer with antenna switching for study of high-frequency fluctuations in GAMMA 10

Ikezoe, R., Ichimura, M., Okada, T., Itagaki, J., Hirata, M., Sumida, S., Jang, S., Izumi, K., Tanaka, A., Yoshikawa, M., Kohagura, J., Sakamoto, M. & Nakashima, Y., Mar 1 2017, In : Review of Scientific Instruments. 88, 3, 033504.

Research output: Contribution to journalArticle

reflectometers
Reflectometers
Cyclotrons
antennas
Antennas
12 Citations (Scopus)

Recent progress of divertor simulation research using the GAMMA 10/PDX tandem mirror

Nakashima, Y., Ichimura, K., Islam, M. S., Sakamoto, M., Ezumi, N., Hirata, M., Ichimura, M., Ikezoe, R., Imai, T., Kariya, T., Katanuma, I., Kohagura, J., Minami, R., Numakura, T., Yoshikawa, M., Iijima, T., Islam, M. M., Nojiri, K., Shimizu, K., Terakado, A. & 18 others, Togo, S., Asakura, N., Fukumoto, M., Hatayama, A., Hirooka, Y., Kado, S., Kubo, H., Masuzaki, S., Matsuura, H., Nakano, T., Nagata, S., Nishino, N., Ohno, N., Sagara, A., Sawada, K., Shoji, M., Tonegawa, A. & Ueda, Y., Aug 9 2017, In : Nuclear Fusion. 57, 11, 116033.

Research output: Contribution to journalArticle

tandem mirrors
gases
magnetohydrodynamic flow
flux (rate)
cooling
2016

Direct observation of electron heating by electron Landau damping of Alfvén ion cyclotron waves using Thomson scattering system in the Tandem mirror GAMMA 10/PDX

Yoshikawa, M., Ikezoe, R., Ohta, K., Wang, X., Kohagura, J., Shima, Y., Chikatsu, M., Ichimura, K., Sakamoto, M., Ichimura, M., Imai, T., Minami, R., Tsumura, K. & Nakashima, Y., Jan 1 2016, In : Plasma and Fusion Research. 11, Specialissue1, 2402051.

Research output: Contribution to journalArticle

tandem mirrors
Landau damping
Thomson scattering
wave scattering
cyclotrons
4 Citations (Scopus)

Effect of laval nozzle in the GAMMA 10 SMBI experiments

Islam, M. M., Nakashima, Y., Kobayashi, S., Nishino, N., Nakano, Y., Hosoi, K., Ichimura, K., Islam, M. S., Shimizu, K., Fukui, K., Ohuchi, M., Terakado, A., Yoshikawa, M., Kohagura, J., Hirata, M., Ikezoe, R., Wang, X., Ichimura, M., Sakamoto, M. & Imai, T., Jan 1 2016, In : Plasma and Fusion Research. 11, Specialissue1, 2402053.

Research output: Contribution to journalArticle

beam injection
molecular beams
nozzles
refueling
cells
1 Citation (Scopus)

Study of the axial ion confinement time for high particle flux operations of GAMMA 10/PDX

Ichimura, K., Nakashima, Y., Islam, M. M., Islam, M. S., Shimizu, K., Fukui, K., Ohuchi, M., Hirata, M., Ikezoe, R., Sumida, S., Yoshikawa, M., Ezumi, N., Sakamoto, M., Ichimura, M. & Imai, T., Jan 1 2016, In : Plasma and Fusion Research. 11, Specialissue1, 2405045.

Research output: Contribution to journalArticle

flux (rate)
ions
plasma density
collisions
tandem mirrors
2015
3 Citations (Scopus)

Analysis Of wave excitation of the phase-control ICRF antennas with three-dimensional full wave code on gamma 10

Yokoyama, T., Ichimura, M., Fukuyama, A., Sumida, S., Hirata, M., Ikezoe, R., Iwamoto, Y., Okada, T., Takeyama, K. & Jang, S., Jul 1 2015, In : Fusion Science and Technology. 68, 1, p. 185-189 5 p.

Research output: Contribution to journalArticle

Phase control
phase control
wave excitation
Cyclotrons
cyclotrons
1 Citation (Scopus)

A narrow band-pass filter type Wilkinson power divider for I-Q demodulator in microwave interferometer system

Wang, X., Yoshikawa, M., Kohagura, J., Shima, Y., Ikezoe, R., Sakamoto, M., Imai, T., Nakashima, Y., Ma, Z., Sakagami, I. & Mase, A., Nov 12 2015, In : Journal of Instrumentation. 10, 11, C11005.

Research output: Contribution to journalArticle

microwave interferometers
demodulators
Bandpass Filter
Demodulators
dividers
8 Citations (Scopus)

Extension Of operational regimes with ICRF heating on gamma 10/PDX

Ikezoe, R., Ichimura, M., Hirata, M., Yokoyama, T., Iwamoto, Y., Okada, T., Sumida, S., Takeyama, K., Jang, S., Oi, T., Ichimura, K. & Nakashima, Y., Jul 1 2015, In : Fusion Science and Technology. 68, 1, p. 63-69 7 p.

Research output: Contribution to journalArticle

Heating
heating
Plasma density
cells
Mirrors
8 Citations (Scopus)

High-Density plasma production in the Gamma 10 central cell with ICRF heating on both anchor cells

Sumida, S., Ichimura, M., Yokoyama, T., Hirata, M., Ikezoe, R., Iwamoto, Y., Okada, T., Takeyama, K., Jang, S., Sakamoto, M., Nakashima, Y., Yoshikawa, M., Minami, R., Oki, K., Mizuguchi, M. & Ichimura, K., Jul 1 2015, In : Fusion Science and Technology. 68, 1, p. 136-141 6 p.

Research output: Contribution to journalArticle

Plasma sources
Cyclotrons
Anchors
plasma density
cyclotrons

Internal measurement of propagation of ICRF waves by using reflectometers on GAMMA 10

Okada, T., Ikezoe, R., Ichimura, M., Hirata, M., Yokoyama, T., Iwamoto, Y., Sumida, S., Takeyama, K., Jang, S., Yoshikawa, M., Kohagura, J. & Shima, Y., Jul 1 2015, In : Fusion Science and Technology. 68, 1, p. 161-165 5 p.

Research output: Contribution to journalArticle

reflectometers
Reflectometers
Cyclotrons
cyclotrons
Ions
17 Citations (Scopus)

Progress of divertor simulation research toward the realization of detached plasma using a large tandem mirror device

Nakashima, Y., Takeda, H., Ichimura, K., Hosoi, K., Oki, K., Sakamoto, M., Hirata, M., Ichimura, M., Ikezoe, R., Imai, T., Iwamoto, M., Hosoda, Y., Katanuma, I., Kariya, T., Kigure, S., Kohagura, J., Minami, R., Numakura, T., Takahashi, S., Yoshikawa, M. & 16 others, Asakura, N., Fukumoto, M., Hatayama, A., Hirooka, Y., Kado, S., Kubo, H., Masuzaki, S., Matsuura, H., Nagata, S., Nishino, N., Ohno, N., Sagara, A., Shikama, T., Shoji, M., Tonegawa, A. & Ueda, Y., Jul 22 2015, In : Journal of Nuclear Materials. 463, p. 537-540 4 p., 48794.

Research output: Contribution to journalArticle

tandem mirrors
Noble Gases
Mirrors
Inert gases
flux (rate)
24 Citations (Scopus)

Recent results of divertor simulation experiments using D-Module in the GAMMA 10/PDX tandem mirror

Nakashima, Y., Sakamoto, M., Takeda, H., Ichimura, K., Hosoda, Y., Iwamoto, M., Shimizu, K., Hosoi, K., Oki, K., Yoshikawa, M., Hirata, M., Ikezoe, R., Imai, T., Kariya, T., Katanuma, I., Kohagura, J., Minami, R., Numakura, T., Wang, X. & Ichimura, M., Jul 1 2015, In : Fusion Science and Technology. 68, 1, p. 28-35 8 p.

Research output: Contribution to journalArticle

tandem mirrors
Mirrors
modules
Plasmas
flux (rate)
2 Citations (Scopus)

Wave excitation by nonlinear coupling among shear Alfvén waves in a mirror-confined plasma

Ikezoe, R., Ichimura, M., Okada, T., Hirata, M., Yokoyama, T., Iwamoto, Y., Sumida, S., Jang, S., Takeyama, K., Yoshikawa, M., Kohagura, J., Shima, Y. & Wang, X., Sep 1 2015, In : Physics of Plasmas. 22, 9, 090701.

Research output: Contribution to journalArticle

wave excitation
S waves
mirrors
cyclotrons
ions
2014

Generation and control of high intermittent heat load pattern for divertor simulation studies in GAMMA 10 tandem mirror

Minami, R., Imai, T., Kariya, T., Numakura, T., Eguchi, T., Kawarasaki, R., Nakazawa, K., Kato, T., Sato, F., Nanzai, H., Uehara, M., Endo, Y., Hirata, M., Ichimura, M., Ikezoe, R., Katanuma, I., Kohagura, J., Nakashima, Y., Oki, K., Sakamoto, M. & 1 others, Yoshikawa, M., Jan 1 2014, In : Plasma and Fusion Research. 9, SpecialIssue2, 3402116.

Research output: Contribution to journalArticle

tandem mirrors
electron cyclotron heating
heat
simulation
heat flux
2 Citations (Scopus)

The first experiment of MPD Jet injection into GAMMA 10 plasma

Ichimura, K., Nakashima, Y., Takeda, H., Hosoi, K., Kigure, S., Takahashi, S., Iwamoto, M., Hosoda, Y., Hirata, M., Ikezoe, R., Oki, K., Yoshikawa, M., Sakamoto, M., Imai, T. & Ichimura, M., Jan 1 2014, In : Plasma and Fusion Research. 9, SpecialIssue2, 3406098.

Research output: Contribution to journalArticle

plasma dynamics
injection
tandem mirrors
plasma jets
plasma guns
2013
4 Citations (Scopus)

Asymmetric toroidal flux generation due to phase locking of internally resonant tearing modes in the RELAX reversed-field pinch

Ikezoe, R., Masamune, S., Oki, K., Sanpei, A., Himura, H., Onchi, T. & Hirose, A., Jan 1 2013, In : Plasma Physics and Controlled Fusion. 55, 1, 015005.

Research output: Contribution to journalArticle

locking
Fluxes
Aspect ratio
Plasmas
aspect ratio
6 Citations (Scopus)

Coupling of ICRF waves and axial transport of high-energy ions owing to spontaneously excited waves in the GAMMA 10 tandem mirror

Ikezoe, R., Ichimura, M., Hirata, M., Iwai, T., Yokoyama, T., Ugajin, Y., Sato, T., Iimura, T., Saito, Y., Yoshikawa, M., Kohagura, J., Shima, Y. & Imai, T., Jul 1 2013, In : Nuclear Fusion. 53, 7, 073040.

Research output: Contribution to journalArticle

tandem mirrors
cyclotrons
ions
energy
heating
24 Citations (Scopus)

Recent results of divertor simulation research using an end-cell of a large tandem mirror device

Nakashima, Y., Takeda, H., Ichimura, K., Hosoi, K., Sakamoto, M., Hirata, M., Ichimura, M., Ikezoe, R., Imai, T., Ishii, T., Kariya, T., Katanuma, I., Kohagura, J., Minami, R., Numakura, T., Ueda, H., Yoshikawa, M., Asakura, N., Furuta, T., Hatayama, A. & 13 others, Hirooka, Y., Kado, S., Masuzaki, S., Matsuura, H., Nagata, S., Nishino, N., Ohno, N., Sagara, A., Shikama, T., Shoji, M., Toma, M., Tonegawa, A. & Ueda, Y., Jan 1 2013, In : Journal of Nuclear Materials. 438, SUPPL

Research output: Contribution to journalArticle

tandem mirrors
flux (rate)
Mirrors
Fluxes
heat flux
5 Citations (Scopus)

Simultaneous evaluation of potential fluctuation from the core plasma to the end region in GAMMA 10

Yoshikawa, M., Sakamoto, M., Miyata, Y., Aoyama, M., Mizuguchi, M., Hirata, M., Ichimura, M., Imai, T., Kariya, T., Katanuma, I., Kohagura, J., Minami, R., Nakashima, Y., Numakura, T., Ikezoe, R., Ichimura, K., Furutachi, K., Nakanishi, H. & Nagayama, Y., Jul 1 2013, In : Nuclear Fusion. 53, 7, 073031.

Research output: Contribution to journalArticle

end plates
evaluation
neutral beams
electric fields
gold
2012
13 Citations (Scopus)

Analysis of end-loss ion flux for application studies of the plasma flow from the end mirror exit of GAMMA 10

Ichimura, K., Nakashima, Y., Hosoi, K., Takeda, H., Ishii, T., Ueda, H., Kigure, S., Takahashi, S., Hotaka, S., Ichimura, M., Ikezoe, R., Yoshikawa, M., Sakamoto, M. & Imai, T., Dec 1 2012, In : Plasma and Fusion Research. 7, SPL.ISS.1, 2405147.

Research output: Contribution to journalArticle

magnetohydrodynamic flow
mirrors
ions
plasma heating
cyclotron resonance
3 Citations (Scopus)

A new frequency-multiplied interferometer system in the GAMMA 10 tandem mirror

Kohagura, J., Yoshikawa, M., Shima, Y., Morikawa, Y., Yamada, T., Akita, D., Tatebe, K., Ichimura, M., Hirata, M., Ikezoe, R., Yokoyama, T. & Imai, T., Oct 1 2012, In : Review of Scientific Instruments. 83, 10, 10E310.

Research output: Contribution to journalArticle

tandem mirrors
Interferometers
Anchors
Mirrors
interferometers
5 Citations (Scopus)

Improvement of ICRF antenna loading in the minimum-B configuration on GAMMA 10

Yokoyama, T., Ichimura, M., Ikezoe, R., Ugajin, Y., Iwai, T., Sato, T., Iimura, T., Saito, Y. K., Hirata, M., Yamaguchi, Y., Fukuyama, A. & Imai, T., Dec 1 2012, In : Plasma and Fusion Research. 7, SPL.ISS.1, 2402136.

Research output: Contribution to journalArticle

cyclotrons
antennas
configurations
plasma heating
magnetohydrodynamic stability
4 Citations (Scopus)

Phase locking and unlocking associated with transition to quasi-single helicity state in the RELAX reversed-field pinch

Ikezoe, R., Masamune, S., Oki, K., Sanpei, A., Himura, H., Onchi, T. & Hirose, A., Nov 1 2012, In : journal of the physical society of japan. 81, 11, 115001.

Research output: Contribution to journalArticle

low aspect ratio
locking
2011
11 Citations (Scopus)

Extended operational regimes and MHD behavior in a low-aspect-ratio reversed field pinch in RELAX

Ikezoe, R., Oki, K., Onchi, T., Konishi, Y., Sugihara, M., Fujita, S., Sanpei, A., Himura, H. & Masamune, S., Feb 1 2011, In : Plasma Physics and Controlled Fusion. 53, 2, 025003.

Research output: Contribution to journalArticle

low aspect ratio
Magnetohydrodynamics
Aspect ratio
Plasmas
X rays
2 Citations (Scopus)

Initial result of successive SXR imaging measurement in low-A RFP

Sanpei, A., Oki, K., Nakamura, M., Higashi, A., Motoi, H., Fukahori, D., Himura, H., Masamune, S., Ohdachi, S., Nishino, N., Onchi, T. & Ikezoe, R., Dec 1 2011, In : Plasma and Fusion Research. 6, 1 SPECIAL ISSUE, 2406096.

Research output: Contribution to journalArticle

x rays
low aspect ratio
magnetic islands
high speed cameras
configurations
2 Citations (Scopus)

Ion-cyclotron resonance heating experiment in the quadruple minimum-b field on GAMMA 10

Yamaguchi, Y., Ichimura, M., Yokoyama, T., Fukuyama, A., Ikezoe, R., Imai, Y., Murakami, T., Iwai, T., Sato, T., Ugajin, Y. & Imai, T., Jan 1 2011, In : Fusion Science and Technology. 59, 1 T, p. 250-252 3 p.

Research output: Contribution to journalArticle

Cyclotron resonance
cyclotron resonance
Anchors
Ions
Heating
3 Citations (Scopus)

Measurement of spatiotemporal behavior of Alfvén-ion-cyclotron waves in the GAMMA10 tandem mirror

Ikezoe, R., Ichimura, M., Sato, T., Imai, Y., Murakami, T., Iwai, T., Ugajin, Y., Yokoyama, T., Shima, Y., Yoshikawa, M. & Imai, T., Dec 1 2011, In : Plasma and Fusion Research. 6, 1 SPECIAL ISSUE, 2402047.

Research output: Contribution to journalArticle

tandem mirrors
cyclotrons
ions
microwave reflectometers
magnetic probes
4 Citations (Scopus)

Observation of helical structure by imaging diagnostics in a low-aspect-ratio reversed field pinch

Onchi, T., Ikezoe, R., Oki, K., Sanpei, A., Himura, H., Masamune, S., Nishino, N. & Koguchi, H., Nov 2011, In : Journal of the Physical Society of Japan. 80, 11, 114501.

Research output: Contribution to journalArticle

low aspect ratio
emissivity
x rays
profiles
cameras

Observation of the pitch angle distribution of high-energy ions and their radial transport in the central cell of GAMMA10

Imai, Y., Ichimura, M., Ikezoe, R., Murakami, T., Iwai, T., Yokoyama, T., Ugajin, Y., Sato, T. & Imai, T., Dec 1 2011, In : Plasma and Fusion Research. 6, 1 SPECIAL ISSUE, 2402152.

Research output: Contribution to journalArticle

pitch (inclination)
cyclotrons
cells
ions
low frequencies
1 Citation (Scopus)

Radial transport of high-energy ions caused by low-frequency fluctuations in the gamma10 tandem mirror

Ichimura, M., Yamaguchi, Y., Ikezoe, R., Imai, Y., Murakami, T., Iwai, T., Yokoyama, T., Sato, T., Ugajin, Y. & Imai, T., Jan 2011, In : Fusion Science and Technology. 59, 1 T, p. 98-103 6 p.

Research output: Contribution to journalArticle

tandem mirrors
Mirrors
Ions
low frequencies
ions
5 Citations (Scopus)

Status and plan of GAMMA 10 tandem mirror program

Imai, T., Ichimura, M., Nakashima, Y., Katanuma, I., Yoshikawa, M., Kariya, T., Minami, R., Miyata, Y., Yamaguchi, Y., Ikezoe, R., Shimozuma, T., Kubo, S., Yoshimura, Y., Takahashi, H., Mutoh, T., Sakamoto, K., Mizuguchi, M., Ota, M., Ozawa, H., Hosoi, K. & 14 others, Yaguchi, F., Yonenaga, R., Imai, Y., Murakani, T., Yagi, K., Nakamura, T., Aoki, H., Iizumi, H., Ishii, T., Kondou, H., Takeda, H., Ichioka, N., Masaki, S. & Yokoyama, T., Jan 2011, In : Fusion Science and Technology. 59, 1 T, p. 1-8 8 p.

Research output: Contribution to journalArticle

tandem mirrors
electron cyclotron heating
Cyclotrons
Mirrors
plugs
2 Citations (Scopus)

Tangential image of helical SXR emissivity structure in low-aspect-ratio RFP

Sanpei, A., Oki, K., Nakamura, M., Higashi, A., Motoi, H., Fukahori, D., Himura, H., Masamune, S., Ohdachi, S., Nishino, N., Onchi, T. & Ikezoe, R., Nov 1 2011, In : IEEE Transactions on Plasma Science. 39, 11 PART 1, p. 2410-2411 2 p., 5960796.

Research output: Contribution to journalArticle

low aspect ratio
emissivity
high speed cameras
subtraction
imaging techniques
2010
12 Citations (Scopus)

Tangential soft-x ray imaging for three-dimensional structural studies in a reversed field pinch

Onchi, T., Ikezoe, R., Oki, K., Sanpei, A., Himura, H. & Masamune, S., Jul 1 2010, In : Review of Scientific Instruments. 81, 7, 073502.

Research output: Contribution to journalArticle

Imaging techniques
X rays
Imaging systems
x rays
low aspect ratio