Research Output 1979 2019

Filter
Conference contribution
2018

Density profiles and fluctuations in front of the ICRF antenna on the ASDEX Upgrade using X-mode reflectometry

Seliunin, E., Silva, C., Manz, P., Aguiam, D., Conway, G. D., Gil, L., Guimarãis, L., Moon, C., Pütterich, T., Silva, A., Stroth, U., Wolfrum, E. & Zhang, W., Jan 1 2018, 45th EPS Conference on Plasma Physics, EPS 2018. Michaut, C., Berndt, J., Mantsinen, M., Coda, S., Lapenta, G. & Weber, S. (eds.). European Physical Society (EPS), p. 665-668 4 p. (45th EPS Conference on Plasma Physics, EPS 2018; vol. 2018-July).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

antennas
profiles

Developments of Millimeter Wave Backscattering Systems for Fusion Plasma Turbulence Measurements

Tokuzawa, T., Ozuri, K., Kubo, S., Tanaka, K., Yamada, H., Watanabe, K. Y., Ejiri, A., Shigeru, I., Kohagura, J. & Saito, T., Oct 25 2018, 2018 43rd International Conference on Infrared Millimeter and Terahertz Waves, IRMMW-THz 2018. IEEE Computer Society, 8510192. (International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz; vol. 2018-September).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Plasma turbulence
Backscattering
Millimeter waves
Turbulence
Fusion reactions

Experimental research plan of nonlinearity of tokamak edge turbulence in plasma turbulence observatory

Nagashima, Y. & fujisawa, A., Aug 1 2018, Front-runners' Symposium on Plasma Physics in Honor of Professors Kimitaka Itoh and Sanae-I. Itoh. Todo, Y. & Ida, K. (eds.). American Institute of Physics Inc., 020006. (AIP Conference Proceedings; vol. 1993).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

plasma turbulence
observatories
turbulence
nonlinearity

Helical flow structures in torus plasmas

Kosuga, Y., Aug 1 2018, Front-runners' Symposium on Plasma Physics in Honor of Professors Kimitaka Itoh and Sanae-I. Itoh. Todo, Y. & Ida, K. (eds.). American Institute of Physics Inc., 020009. (AIP Conference Proceedings; vol. 1993).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

helical flow
parallel flow
turbulence
shear

Nonlinear characteristics of mediator and streamer in linear magnetized plasmas

Kin, F., fujisawa, A., Itoh, K., Kosuga, Y., Sasaki, M., Yamada, T., Shigeru, I., Itoh, S. I., Kobayashi, T., Nagashima, Y., Kasuya, N., Arakawa, H., Yamasaki, K. & Hasamada, K., Jan 1 2018, 45th EPS Conference on Plasma Physics, EPS 2018. Berndt, J., Coda, S., Lapenta, G., Michaut, C., Weber, S. & Mantsinen, M. (eds.). European Physical Society (EPS), p. 565-568 4 p. (45th EPS Conference on Plasma Physics, EPS 2018; vol. 2018-July).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Past and present experiments toward PLATO project

fujisawa, A., Aug 1 2018, Front-runners' Symposium on Plasma Physics in Honor of Professors Kimitaka Itoh and Sanae-I. Itoh. Todo, Y. & Ida, K. (eds.). American Institute of Physics Inc., 020011. (AIP Conference Proceedings; vol. 1993).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

plasma turbulence
observatories
physics
fusion reactors
nuclear fusion

Simulation research on competitive nature of plasma turbulence in linear devices

Kasuya, N. & Sasaki, M., Aug 1 2018, Front-runners' Symposium on Plasma Physics in Honor of Professors Kimitaka Itoh and Sanae-I. Itoh. Todo, Y. & Ida, K. (eds.). American Institute of Physics Inc., 020008. (AIP Conference Proceedings; vol. 1993).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

plasma turbulence
collisional plasmas
inhomogeneity
simulation
fluids
1 Citation (Scopus)

Spatio-temporal dynamics of turbulence coupling with zonal flows

Sasaki, M., Kobayashi, T., Itoh, K., Kasuya, N., Kosuga, Y., fujisawa, A., Shigeru, I. & Itoh, S. I., Jan 1 2018, 45th EPS Conference on Plasma Physics, EPS 2018. Berndt, J., Coda, S., Lapenta, G., Michaut, C., Weber, S. & Mantsinen, M. (eds.). European Physical Society (EPS), p. 449-452 4 p. (45th EPS Conference on Plasma Physics, EPS 2018; vol. 2018-July).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

turbulence

Trapping of turbulence clumps by geodesic acoustic modes

Sasaki, M., Aug 1 2018, Front-runners' Symposium on Plasma Physics in Honor of Professors Kimitaka Itoh and Sanae-I. Itoh. Todo, Y. & Ida, K. (eds.). American Institute of Physics Inc., 020007. (AIP Conference Proceedings; vol. 1993).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

clumps
turbulence
trapping
acoustics
curvature
2017

Ablation-erosion analyses of various fusion material surfaces and developments of surface erosion monitors for notification of fusion chamber maintenance times, as an example: Visible light transparent SiC and up-conversion phosphors applied to plasma facing surface structures, useful for versatile purposes to protect and diagnose fusion chambers and so on

Kasuya, K., Motokoshi, S., Taniguchi, S., Nakai, M., Tokunaga, K., Kolacek, K., Schmidt, J., Frolov, O., Straus, J., Matejicek, J. & Choukourov, A., Jan 1 2017, XXI International Symposium on High Power Laser Systems and Applications 2016. Brunnbauer, J., Schuocker, D. & Majer, R. (eds.). SPIE, Vol. 10254. 102541B

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Upconversion
Phosphor
Ablation
Erosion
Surface structure
1 Citation (Scopus)

Modelling ion cyclotron emission from beam-injected ions in magnetic confinement fusion plasmas

Dendy, R. O., Reman, B. C. G., Akiyama, T., Chapman, S. C., Cook, J. W. S., Igami, H., Shigeru, I., Saito, K. & Yun, G. S., Jan 1 2017, 44th EPS Conference on Plasma Physics, EPS 2017. Bret, A., Fajardo, M., Westerhof, E., Melzer, A., Dromey, B. & Riconda, C. (eds.). European Physical Society (EPS), P5.145. (44th EPS Conference on Plasma Physics, EPS 2017).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

cyclotrons
fusion
ion beams
ions
2016

Current density calculation from particle orbit in RF-driven divertor plasma on QUEST

Alam, M. M., Nakamura, K., Hasegawa, M., Tokunaga, K., Araki, K., Zushi, H., Hanada, K., fujisawa, A., Idei, H., Nagashima, Y., Kawasaki, S., Nakashima, H., Higashijima, A., Xia, F. & Mitarai, O., May 31 2016, 2015 IEEE 26th Symposium on Fusion Engineering, SOFE 2015. Institute of Electrical and Electronics Engineers Inc., 7482308. (Proceedings - Symposium on Fusion Engineering; vol. 2016-May).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Orbits
Current density
current density
orbits
Plasmas

Study of defects introduced by 2 and 9 MeV electron irradiation in B2 type Fe-Al alloy

Ueno, Y., Iwase, A., Ohsawa, K., Qiu, X., Sato, K., Saitoh, Y. & Hori, F., Jan 1 2016, Positron Annihilation - ICPA-17. Trans Tech Publications Ltd, Vol. 373 DDF. p. 126-129 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electron irradiation
electron irradiation
Vacancies
Defects
Positron annihilation
2015
1 Citation (Scopus)

Laser erosion diagnostics of plasma facing materials with displacement sensors and their application to safeguard monitors to protect nuclear fusion chambers

Kasuya, K., Motokoshi, S., Taniguchi, S., Nakai, M., Tokunaga, K., Mroz, W., Budner, B. & Korczyc, B., Jan 1 2015, XX International Symposium on High-Power Laser Systems and Applications 2014. SPIE, Vol. 9255. 925548

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Erosion
nuclear fusion
erosion
monitors
Diagnostics
2013
1 Citation (Scopus)

Shape reconstruction of RF-driven divertor plasma on QUEST

Nakamura, K., Fujita, H., Liu, X. L., Xue, E. B., Xia, F., Mitarai, O., Kurihara, K., Kawamata, Y., Sueoka, M., Hasegawa, M., Tokunaga, K., Zushi, H., Hanada, K., fujisawa, A., Matsuoka, K., Idei, H., Nagashima, Y., Kawasaki, S., Nakashima, H., Higashijima, A. & 2 othersAraki, K. & Fukuyama, A., Dec 23 2013, 2013 IEEE 25th Symposium on Fusion Engineering, SOFE 2013. 6635507. (2013 IEEE 25th Symposium on Fusion Engineering, SOFE 2013).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Plasmas
Orbits
Anisotropy
Electrons
2012

Global measurement of Reynolds stress in a cylindrical linear plasma

Nagashima, Y., Itoh, S., Shigeru, I., Oldenbürger, S., Kobayashi, T., Kawashima, K., Ohyama, N., Tobimatsu, Y., Yamada, S., Yamashita, T., Arakawa, H., Kamataki, K., Yamada, T., Sasaki, M., Kasuya, N., Yagi, M., fujisawa, A., Diamond, P. H. & Itoh, K., Dec 1 2012, 39th EPS Conference on Plasma Physics 2012, EPS 2012 and the 16th International Congress on Plasma Physics. Vol. 3. p. 1951-1954 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Reynolds stress

Modelling local time evolution of strong heat pulses in magnetically confined plasmas

Dendy, R. O., Chapman, S. C. & Shigeru, I., Dec 1 2012, 39th EPS Conference on Plasma Physics 2012, EPS 2012 and the 16th International Congress on Plasma Physics. p. 1650-1653 4 p. (39th EPS Conference on Plasma Physics 2012, EPS 2012 and the 16th International Congress on Plasma Physics; vol. 3).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

heat
pulses

The role of energetic electrons on non-inductive current start-up and formation of an inboard poloidal field null configuration in the spherical tokamak QUEST

Tashima, S., Zushi, H., Isobe, M., Idei, H., Okamura, S., Hanada, K., Nakamura, K., fujisawa, A., Matsuoka, K., Hasegawa, M., Nagashima, Y., Ishiguro, M., Kawasaki, S., Nakashima, H. & Higashijima, A., Dec 1 2012, 39th EPS Conference on Plasma Physics 2012, EPS 2012 and the 16th International Congress on Plasma Physics. Vol. 1. p. 305-308 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

configurations
electrons
2011

Development of CW 16-element phased-array antenna for electron bernstein wave heating and current drive experiments in QUEST

Idei, H., Sakaguchi, M., Nagata, K., Kalinnikova, E., Fukuyama, A., Zushi, H., Hanada, K., Nakamura, K., Sakamoto, M., Hasegawa, M., Takase, Y., Maekawa, T., Mitarai, O., Kawasaki, S., Nakashima, H. & Higashijima, A., Dec 1 2011, IRMMW-THz 2011 - 36th International Conference on Infrared, Millimeter, and Terahertz Waves. 6105070

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Antenna phased arrays
Heating
Electrons
Thermal load
Experiments

Drift wave regimes and cross-field transport in the PANTA

Oldenburger, S., Shigeru, I., Arakawa, H., Kobayashi, T., Uriu, K., Kawashima, K., fujisawa, A., Itoh, K. & Itoh, S. I., Dec 1 2011, 38th EPS Conference on Plasma Physics 2011, EPS 2011 - Europhysics Conference Abstracts. Vol. 35 1. p. 684-687 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Dynamics of mode number bicoherence computed from two-dimensional data of a magnetized plasma column

Oldenburger, S., Lemoine, N., Bousselin, G., Shigeru, I., Kobayashi, T., Brandt, C., Windisch, T., Brochard, F., Bonhomme, G., Itoh, K. & Itoh, S. I., Dec 1 2011, 38th EPS Conference on Plasma Physics 2011, EPS 2011 - Europhysics Conference Abstracts. Vol. 35 1. p. 688-691 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Electron Cyclotron / Bernstein wave heating and current drive experiments using phased-array antenna in QUEST

Idei, H., Zushi, H., Hanada, K., Nakamura, K., fujisawa, A., Hasegawa, M., Yoshida, N., Sakamoto, M., Watanebe, H., Tokunaga, K., Nagashima, Y., Ejiri, A., Sakaguchi, M., Kalinnikova, E., Ishiguro, M., Tashima, S., Fukuyama, A., Igami, H., Kubo, S., Sharma, S. K. & 14 othersRyokai, T., Liu, H. Q., Isobe, M., Nagaoka, K., Nakanishi, H., Nishino, N., Kawasaki, S., Nakashima, H., Higashijima, A., Takase, Y., Maekawa, T., Mitarai, O., Kikuchi, M. & Toi, K., Dec 1 2011, Radio Frequency Power in Plasmas - Proceedings of the 19th Topical Conference. p. 473-476 4 p. (AIP Conference Proceedings; vol. 1406).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

plasma currents
phased arrays
cyclotrons
antennas
heating

Observation of nonlinear coupling in azimuthal wave number space in a cylindrical magnetized plasma

Kobayashi, T., Shigeru, I., Arakawa, H., Oldenburger, S., Sasaki, M., Nagashima, Y., Yamada, T., Sugita, S., Yagi, M., Kasuya, N., fujisawa, A., Itoh, S. I. & Itoh, K., Dec 1 2011, 38th EPS Conference on Plasma Physics 2011, EPS 2011 - Europhysics Conference Abstracts. Vol. 35 1. p. 676-679 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

cylindrical plasmas

Three-dimensional turbulence analyses using turbulence diagnostic simulator

Kasuva, N., Yagi, M., Itoh, K. & Itoh, S. I., Dec 1 2011, 38th EPS Conference on Plasma Physics 2011, EPS 2011 - Europhysics Conference Abstracts. Vol. 35 2. p. 1356-1359 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

simulators
turbulence
modules
spatial resolution
time measurement
2010

3D turbulence simulations of the impact of plasma rotation on stiffness level

Sugita, S., Beyer, P., Fuhr, G., Jaulmes, F., Benkadda, S., Garbet, X., Yagi, M., Itoh, S. & Itoh, K., Dec 1 2010, 37th EPS Conference on Plasma Physics 2010, EPS 2010. p. 561-564 4 p. (37th EPS Conference on Plasma Physics 2010, EPS 2010; vol. 1).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

stiffness
turbulence
simulation

Development of CW phased-array antenna system for electron Bernstein heating and current drive experiments in QUEST

Idei, H., Sakaguchi, M., Kalinnikova, E., Nagata, K., Zushi, H., Hanada, K., Nakamura, K., Sakamoto, M., Hasegawa, M., Takase, Y., Maekawa, T., Mitarai, O., Fukuyamaf, A., Kawasaki, S., Nakashima, H. & Higashijima, A., Nov 30 2010, IRMMW-THz 2010 - 35th International Conference on Infrared, Millimeter, and Terahertz Waves, Conference Guide. 5612352

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Antenna phased arrays
Thermal load
Thermal stress
Polarization
Heating

Differential-phase reflectometry using phased-array antenna system in QUEST

Nagata, K., Idei, H., Sakaguchi, M., Dono, K., Wataya, Y., Kawasaki, S., Zushi, H., Hanada, K., Nakamura, K., Sakamoto, M., Hasegawa, M., Higashizono, Y., Takase, Y., Maekawa, T., Mitarai, O., Kishimoto, Y., Nakashima, H. & Higashijima, A., Nov 30 2010, IRMMW-THz 2010 - 35th International Conference on Infrared, Millimeter, and Terahertz Waves, Conference Guide. 5612434

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Antenna phased arrays
Launching
Antennas
Heating
Electrons

Double tearing global reconnection dynamics in presence of a shear flow

Voslion, T., Agullo, O., Beyer, P., Benkadda, S., Garbet, X., Yagi, M., Itoh, K. & Itoh, S., Dec 1 2010, 37th EPS Conference on Plasma Physics 2010, EPS 2010. p. 1366-1369 4 p. (37th EPS Conference on Plasma Physics 2010, EPS 2010; vol. 3).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

tearing
shear flow

Electron bernstein wave emission diagnostics using phased-array antenna system in QUEST

Idei, H., Nagata, K., Sakaguchi, M., Kalinnikova, E., Fukuyama, A., Ohdachi, S., Shigeru, I., Nagayama, Y., Kawahata, K., Igami, H., Kubo, S., Shimozuma, T., Zushi, H., Hanada, K., Sato, K. N., Nakamura, K., Sakamoto, M., Hasegawa, M., Takase, Y., Maekawa, T. & 4 othersMitarai, O., Kawasaki, S., Nakashima, H. & Higashijima, A., Nov 30 2010, IRMMW-THz 2010 - 35th International Conference on Infrared, Millimeter, and Terahertz Waves, Conference Guide. 5612710. (IRMMW-THz 2010 - 35th International Conference on Infrared, Millimeter, and Terahertz Waves, Conference Guide).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Antenna phased arrays
Electron emission
Transducers
Waveguides
Polarization
2009
3 Citations (Scopus)

Phased-array antenna for electron Bernstein wave heating and current drive in QUEST

Idei, H., Sakaguchi, M., Kasahara, H., Saito, K., Tsukamoto, M., Hanada, K., Zushi, H., Sato, K. N., Nakamura, K., Sakamoto, M., Hasegawa, M., Higashizono, Y., Takase, Y., Maekawa, T., Mitarai, O., Kishimoto, Y., Kawasaki, S., Nakashima, H. & Higashijima, A., Dec 31 2009, 34th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2009. 5324704. (34th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2009).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Antenna phased arrays
heat pump
Antenna lobes
Antennas
Heating

Single-side-band heterodyne differential-phase reflectometry in QUEST

Idei, H., Dono, K., Wataya, Y., Nagata, K., Kawasaki, S., Zushi, H., Hanada, K., Sato, K. N., Nakamura, K., Sakamoto, M., Hasegawa, M., Higashizono, Y., Takase, Y., Maekawa, T., Mitarai, O., Kishimoto, Y., Nakashima, H. & Higashijima, A., Dec 31 2009, 34th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2009. 5324785. (34th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2009).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Tokamak devices
Receiving antennas
Amplitude modulation
Launching
Diffraction
1 Citation (Scopus)

Study of dual-dipole antenna array for millimeter wave imaging

Akaki, K., Mase, A., Kogi, Y., Uchino, K., Nagayama, Y., Kawahata, K., Yamaguchi, S., Shigeru, I. & Kim, K. W., Dec 31 2009, 34th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2009. 5324955. (34th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2009).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Dipole antennas
Antenna arrays
Millimeter waves
diagnostic
Imaging techniques
2008

Coexistence of the drift wave spectrum and low-frequency zonal flow potential in cylindrical laboratory plasmas

Nagashima, Y., Itoh, S., Shinohara, S., Fukao, M., fujisawa, A., Terasaka, K., Nishijima, T., Kawaguchi, M., Kawai, Y., Kasuya, N., Tynan, G. R., Diamond, P. H., Yagi, M., Shigeru, I., Yamada, T., Kamataki, K., Maruta, M. & Itoh, K., Dec 1 2008, 35th EPS Conference on Plasma Physics 2008, EPS 2008 - Europhysics Conference Abstracts. 3 ed. p. 2226-2229 4 p. (35th EPS Conference on Plasma Physics 2008, EPS 2008 - Europhysics Conference Abstracts; vol. 32, no. 3).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

low frequencies
16 Citations (Scopus)

Harmonic characteristics of new HVDC transmission system based on new converter transformer

Luo, L., Li, Y., Nakamura, K., Krost, G., Li, J., Xu, J. & Liu, F., Aug 22 2008, 3rd International Conference on Deregulation and Restructuring and Power Technologies, DRPT 2008. p. 1868-1872 5 p. 4523711

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electric network topology
mathematics
MATLAB
Wire
4 Citations (Scopus)

Nonlinear interaction between Alfvén eigenmode and geodesic acoustic mode excited by energetic ions in the large helical device

Toi, K., Watanabe, F., Tokuzawa, T., Shimizu, A., Ido, T., Ida, K., Ohdachi, S., Sakakibara, S., Yamamoto, S., Funaba, H., Shigeru, I., Isobe, M., Ito, T., Morita, S., Nagaoka, K., Narihara, K., Narushima, Y., Nishiura, M., Ogawa, K., Osakabe, M. & 4 othersTanaka, K., Watanabe, K. W., Yamada, I. & Yoshinuma, M., Dec 1 2008, 35th EPS Conference on Plasma Physics 2008, EPS 2008 - Europhysics Conference Abstracts. 1 ed. p. 373-376 4 p. (35th EPS Conference on Plasma Physics 2008, EPS 2008 - Europhysics Conference Abstracts; vol. 32, no. 1).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

acoustics
ions
interactions

Rotation of magnetic islands regulated by self-generated zonal flow

Nishimura, S., Benkadda, S., Yagi, M., Itoh, S. & Itoh, K., Dec 1 2008, 35th EPS Conference on Plasma Physics 2008, EPS 2008 - Europhysics Conference Abstracts. 3 ed. Vol. 32. p. 2002-2005 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

magnetic islands
7 Citations (Scopus)

Transient response characteristics of new HVDC transmission system based on new converter transformer

Li, Y., Luo, L., Nakamura, K., Rehtanz, C., Zhang, J., Xu, J. & Liu, F., Aug 22 2008, 3rd International Conference on Deregulation and Restructuring and Power Technologies, DRPT 2008. p. 1873-1877 5 p. 4523712

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Transient analysis
Topology
engineering
Networks (circuits)

Two-dimensional spatial structure of plasma turbulence in LMD-U

Shigeru, I., Maruta, T., Arakawa, H., Yamada, T., Nagashima, Y., Kamataki, K., Kasuya, N., Shinohara, S., Terasaka, K., Yagi, M., Kawai, Y., fujisawa, A., Itoh, K. & Itoh, S., Dec 1 2008, 35th EPS Conference on Plasma Physics 2008, EPS 2008 - Europhysics Conference Abstracts. 2 ed. p. 1450-1453 4 p. (35th EPS Conference on Plasma Physics 2008, EPS 2008 - Europhysics Conference Abstracts; vol. 32, no. 2).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

plasma turbulence
waveforms
turbulence
harmonics
magnetic fields
2007

Advanced studies by using the geodesic acoustic mode measurements: Experimental identification of the separatrix location and search for zonal flows from the envelope of turbulent density fluctuations

Nagashima, Y., Itoh, K., fujisawa, A., Itoh, S., Yagi, M., Hoshino, K., Shinohara, K., Ido, T., Miura, Y., Ejiri, A. & Takase, Y., Dec 1 2007, 34th EPS Conference on Plasma Physics 2007, EPS 2007 - Europhysics Conference Abstracts. 2 ed. p. 893-896 4 p. (34th EPS Conference on Plasma Physics 2007, EPS 2007 - Europhysics Conference Abstracts; vol. 31, no. 2).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)

A modification plan of the KEK 500MeV booster to an all-ion accelerators (an injector-free synchrotron)

Nakamura, E., Adachi, T., Arakida, Y., Dixit, T., Shigeru, I., Iwashita, T., Kawai, M., Kikuchi, T., Kono, T., Okazaki, K., Sato, H., Shimosaki, Y., Takayama, K., Torikai, K. & Wake, M., Dec 1 2007, Proceedings of the IEEE Particle Accelerator Conference, PAC07. p. 1490-1492 3 p. 4440799. (Proceedings of the IEEE Particle Accelerator Conference).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Synchrotrons
Particle accelerators
Ions
Ion sources
Ion beams

Broadband radiometer system with fast frequency switching synthesizer for electron cyclotron emission measurements in LHD

Idei, H., Shigeru, I., Kawasaki, S., Zushi, H., Nagayama, Y., Kawahata, K., Shimozuma, T. & Wataya, Y., Dec 1 2007, IRMMW-THz2007 - Conference Digest of the Joint 32nd International Conference on Infrared and Millimetre Waves, and 15th International Conference on Terahertz Electronics. p. 387-388 2 p. 4516545

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Cyclotrons
Switching frequency
Radiometers
Electrons
Switching systems

Competition behavior between drift instability and flute instability in bounded linear ECR plasma

Kamataki, K., Nagashima, Y., Shinohara, S., Kawai, Y., Yagi, M., Itoh, K. & Itoh, S., Dec 1 2007, 34th EPS Conference on Plasma Physics 2007, EPS 2007 - Europhysics Conference Abstracts. 2 ed. 1 p. (34th EPS Conference on Plasma Physics 2007, EPS 2007 - Europhysics Conference Abstracts; vol. 31, no. 2).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

ECH experiments aiming at further advanced operations in LHD

Igami, H., Kubo, S., Shimozuma, T., Shigeru, I., Nagasaki, K., Tanaka, H., Yoshimura, Y., Notake, T., Maekawa, T., Uchida, M., Miyazawa, J., Yamada, I., Narihara, K., Tamura, N., Ida, K., Mutoh, T. & Komori, A., Dec 17 2007, RADIO FREQUENCY POWER IN PLASMAS: 17th Topical Conference on Radio Frequency Power in Plasmas. p. 377-384 8 p. (AIP Conference Proceedings; vol. 933).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

electron cyclotron heating
magnetic field configurations
electron energy
plasma control
electrons

Experimental conditions of ECRH and magnetic configuration for efficient electron heating in large helical device

Shimozuma, T., Kubo, S., Shigeru, I., Yoshimura, Y., Igami, H., Notake, T., Yamada, I., Narihara, K., Ida, K., Muto, S., Tamura, N., Yokoyama, M., Mutoh, T. & Komori, A., Dec 1 2007, 34th EPS Conference on Plasma Physics 2007, EPS 2007 - Europhysics Conference Abstracts. 3 ed. Vol. 31. p. 1685-1688 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

heating
configurations
electrons
1 Citation (Scopus)

Initial results of AM reflectometory on CPD

Idei, H., Kawasaki, S., Hanada, K., Zushi, H., Sato, K., Nakamura, K., Sakamoto, M., Hasegawa, M., Nakashima, H., Higashijima, A., Wataya, Y., Matsubara, S. & Kawano, S., Dec 1 2007, IRMMW-THz2007 - Conference Digest of the Joint 32nd International Conference on Infrared and Millimetre Waves, and 15th International Conference on Terahertz Electronics. p. 518-519 2 p. 4516610. (IRMMW-THz2007 - Conference Digest of the Joint 32nd International Conference on Infrared and Millimetre Waves, and 15th International Conference on Terahertz Electronics).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Reflectometers
Plasmas
Amplitude modulation
Beam plasma interactions
Switching frequency

Integrated gas flow simulation for overall optimization of GCB

Nakamura, K., Wang, F., Sato, K., Sakamoto, M., Idei, H., Hasegawa, M., Kawasaki, S., Nakashima, H. & Higashijima, A., Dec 1 2007, 2006 International Conference on Power System Technology, POWERCON2006. 4116329. (2006 International Conference on Power System Technology, POWERCON2006).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Shock tubes
Flow simulation
Flow of gases
Fluids
Advection

Multi-electrode measurement of electrostatic fluctuations in high-density helicon linear device

Terasaka, K., Shinohara, S., Nagashima, Y., Yamada, T., Kawaguchi, M., Maruta, T., Shigeru, I., Kawai, Y., Yagi, M., fujisawa, A., Itoh, K. & Itoh, S., Dec 1 2007, 34th EPS Conference on Plasma Physics 2007, EPS 2007 - Europhysics Conference Abstracts. 2 ed. Vol. 31. p. 1078-1081 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

electrostatics
electrodes
2006

Current profile estimation using Hard X-ray measurement along the top and bottom identical line of sight on TRIAM-1M

Hanada, K., Sasaki, K., Hasegawa, M., Idei, H., Zushi, H., Nakamura, K., Sakamoto, M., Sato, K. N., Kawasaki, S., Nakashima, H. & Higashijima, A., Dec 1 2006, 33rd EPS Conference on Plasma Physics 2006, EPS 2006 - Europhysics Conference Abstracts. p. 1608-1611 4 p. (33rd EPS Conference on Plasma Physics 2006, EPS 2006; vol. 2).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

line of sight
profiles
x rays
plasma currents
magnetic fields

Dynamics of recycling processes responding to the local particle and heat load perturbations on TRIAM-1M

Zushi, H., Bhattacharyay, R., Sakamoto, M., Nozaki, Y., Nakashima, K., Ogawa, M., Takaki, K., Hanada, K., Idei, H., Nakamura, K., Sasaki, K., Hirooka, Y., Nakashima, Y., Kado, S. & Shikama, T., Dec 1 2006, 33rd EPS Conference on Plasma Physics 2006, EPS 2006 - Europhysics Conference Abstracts. p. 1604-1607 4 p. (33rd EPS Conference on Plasma Physics 2006, EPS 2006; vol. 2).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

recycling
efflux
gas transport
perturbation
heat

Observation of nonlinear processes between coherent fluctuations and turbulent fluctuations in the edge regions of JFT-2M and CHS

Nagashima, Y., Itoh, K., Itoh, S., fujisawa, A., Hoshino, K., Nagaoka, K., Ejiri, A., Takase, Y., Yagi, M., Shinohara, K., Uehara, K., Kusama, Y., Ida, K., Yoshimura, Y., Okamura, S. & Matsuoka, K., Dec 1 2006, 33rd EPS Conference on Plasma Physics 2006, EPS 2006 - Europhysics Conference Abstracts. p. 1644-1647 4 p. (33rd EPS Conference on Plasma Physics 2006, EPS 2006; vol. 3).

Research output: Chapter in Book/Report/Conference proceedingConference contribution