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H. Takahashi
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Journal Articles

Multi-hole coupling power monitor with tapered sub-waveguide for dual-frequency high-power gyrotron

R. Yanai, T. Takeuchi, Y. Mizuno, Y. Yoshimura, M. Nishiura, H. Igami, H. Takahashi, T. Ii Tsujimura, N. Kenmochi
Journal: AIP Advances
AIP Advances 13, 095105 (2023)
https://doi.org/10.1063/5.0159136
Published: September 2023
View articletitled, Multi-hole coupling power monitor with tapered sub-waveguide for dual-frequency high-power gyrotron
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Journal Articles

Impact of selective ion transmission on measurement by retarding field analyzer

H. Takahashi, T. Seino, R. Nishimura, K. Yoshimura, A. Kanno, T. Hara, Y. Takahashi, S. Kagaya, A. Matsuyama, Y. Hayashi, K. Tobita
Journal: Physics of Plasmas
Phys. Plasmas 30, 053506 (2023)
https://doi.org/10.1063/5.0144798
Published: May 2023
View articletitled, Impact of selective ion transmission on measurement by retarding field analyzer
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Journal Articles

Recent advances toward mesoscopic quantum optomechanics

M. Croquette, S. Deléglise, T. Kawasaki, K. Komori, M. Kuribayashi, A. Lartaux-Vollard, N. Matsumoto, Y. Michimura, M. Andia, N. Aritomi, R. Braive, T. Briant, S. Briaudeau, S. B. Cataño-Lopez, S. Chua, J. Degallaix, M. Fujimoto, K. Gerashchenko, F. Glotin, P. Gruning, K. Harada, A. Heidmann, D. Hofman, P.-E. Jacquet, T. Jacqmin, O. Kozlova, N. Leroy, V. Loriette, F. Loubar, T. Martel, R. Metzdorff, C. Michel, A. Mikami, L. Najera, L. Neuhaus, S. Otabe, L. Pinard, K. Suzuki, H. Takahashi, K. Takeda, Y. Tominaga, A. van de Walle, N. Yamamoto, K. Somiya, P.-F. Cohadon
Journal: AVS Quantum Science
AVS Quantum Sci. 5, 014403 (2023)
https://doi.org/10.1116/5.0128487
Published: February 2023
View articletitled, Recent advances toward mesoscopic quantum optomechanics
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Journal Articles

On electron temperature rise in divertor relevant recombining plasma along magnetic field line

H. Takahashi, M. N. Winarto, A. Okamoto, P. Boonyarittipong, T. Seino, K. Kusabiraki, Y. Sakata, K. Yoshimura, R. Nishimura, S. Kitajima, A. Matsuyama, K. Tobita
Journal: Physics of Plasmas
Phys. Plasmas 29, 032508 (2022)
https://doi.org/10.1063/5.0073896
Published: March 2022
View articletitled, On electron temperature rise in divertor relevant recombining plasma along magnetic field line
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Journal Articles

Effects of electron cyclotron heating on the toroidal flow in LHD plasmas

Y. Yamamoto, S. Murakami, C. C. Chang, H. Takahashi, K. Ida, M. Yoshinuma, W. H. Ko
Journal: Physics of Plasmas
Phys. Plasmas 28, 102501 (2021)
https://doi.org/10.1063/5.0057344
Published: October 2021
View articletitled, Effects of electron cyclotron heating on the toroidal flow in LHD plasmas
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Journal Articles

Effect of the Pfirsch–Schlüter flow on the inboard/outboard asymmetry of the toroidal flow in LHD

Y. Yamamoto, S. Murakami, H. Takahashi, K. Ida, M. Yoshinuma, J. Chen
Journal: Physics of Plasmas
Phys. Plasmas 27, 042514 (2020)
https://doi.org/10.1063/1.5126526
Published: April 2020
View articletitled, Effect of the Pfirsch–Schlüter flow on the inboard/outboard asymmetry of the toroidal flow in LHD
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Journal Articles

Σp scattering experiment at J-PARC – results of commissioning run –

K. Miwa, J. K. Ahn, Y. Akazawa, T. Aramaki, S. Ashikaga, S. Callier, N. Chiga, S. W. Choi, H. Ekawa, P. Evtoukhovitch, N. Fujioka, M. Fujita, S. Hasegawa, S. Hayakawa, R. Honda, S. Hoshino, K. Hosomi, M. Ichikawa, Y. Ichikawa, M. Ieiri, M. Ikeda, K. Imai, Y. Ishikawa, S. Ishimoto, W. S. Jung, H. Kanauchi, H. Kanda, B. M. Kang, H. Kawai, S. H. Kim, K. Kobayashi, T. Koike, K. Matsuda, Y. Matsumoto, R. Nagatomi, Y. Nakada, M. Nakagawa, I. Nakamura, T. Nanamura, M. Naruki, S. Ozawa, L. Raux, A. Sakaguchi, H. Sako, S. Sato, T. Shiozaki, K. Shirotori, K. Suzuki, S. Suzuki, M. Tabata, C. D. L. Taille, H. Takahashi, T. Takahashi, T. N. Takahashi, H. Tamura, Z. Tsamalaidze, H. Umetsu, M. Ukai, T. O. Yamamoto, K. Yoshimura
Journal: AIP Conference Proceedings
AIP Conf. Proc. 2130, 020006 (2019)
https://doi.org/10.1063/1.5118374
Published: July 2019
View articletitled, Σp scattering experiment at J-PARC – results of commissioning run –
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Journal Articles

Influence of the formation of a bi-Maxwellian distribution on volumetric recombining plasma spectroscopy

H. Takahashi, A. Okamoto, P. Boonyarittipong, T. Saikyo, K. Ogasawara, T. Seino, K. Tobita, S. Kitajima
Journal: Physics of Plasmas
Phys. Plasmas 26, 033506 (2019)
https://doi.org/10.1063/1.5078580
Published: March 2019
View articletitled, Influence of the formation of a bi-Maxwellian distribution on volumetric recombining plasma spectroscopy
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Journal Articles

Validation of ion temperature measurement using an ion sensitive probe technique in finite boundary RF plasma

H. Takahashi, K. Ogasawara, P. Boonyarittipong, T. Saikyo, T. Seino, S. Kitajima, A. Okamoto, K. Tobita
Journal: Physics of Plasmas
Phys. Plasmas 26, 022511 (2019)
https://doi.org/10.1063/1.5083214
Published: February 2019
View articletitled, Validation of ion temperature measurement using an ion sensitive probe technique in finite boundary RF plasma
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Journal Articles

Uniform areal-distribution of UV intensity by synchronizing signal-waveforms and position of a UV-LED array

H. Takahashi, I. Shimoyama, Y. J. Heo
Journal: Applied Physics Letters
Appl. Phys. Lett. 111, 263503 (2017)
https://doi.org/10.1063/1.5001025
Published: December 2017
View articletitled, Uniform areal-distribution of UV intensity by synchronizing signal-waveforms and position of a UV-LED array
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Includes: Supplementary data
Journal Articles

Experimental study of the volumetric recombination under energetic ion flow using a radio-frequency plasma source

H. Takahashi, A. Okamoto, D. Nakamura, T. Miura, P. Boonyarittipong, S. Kitajima
Journal: Physics of Plasmas
Phys. Plasmas 23, 112510 (2016)
https://doi.org/10.1063/1.4968239
Published: November 2016
View articletitled, Experimental study of the volumetric recombination under energetic ion flow using a radio-frequency plasma source
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Journal Articles

2D spatial profile measurements of potential fluctuation with heavy ion beam probe on the Large Helical Device

A. Shimizu, T. Ido, M. Nishiura, S. Kato, K. Ogawa, H. Takahashi, H. Igami, Y. Yoshimura, S. Kubo, T. Shimozuma
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 87, 11E731 (2016)
https://doi.org/10.1063/1.4963908
Published: October 2016
View articletitled, 2D spatial profile measurements of potential fluctuation with heavy ion beam probe on the Large Helical Device
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Journal Articles

High-power and steady-state operation of ICRF heating in the large helical device

T. Mutoh, T. Seki, K. Saito, H. Kasahara, R. Seki, S. Kamio, R. Kumazawa, S. Kubo, T. Shimozuma, Y. Yoshimura, H. Igami, H. Takahashi, T. Ii, R. Makino, K. Nagaoka, G. Nomura, T. Shinya, LHD Experiment Group
Journal: AIP Conference Proceedings
AIP Conf. Proc. 1689, 030009 (2015)
https://doi.org/10.1063/1.4936474
Published: December 2015
View articletitled, High-power and steady-state operation of ICRF heating in the large helical device
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Journal Articles

Plasma interface of the EC waves to the LHD peripheral region

S. Kubo, H. Igami, T. I. Tsujimura, T. Shimozuma, H. Takahashi, Y. Yoshimura, M. Nishiura, R. Makino, T. Mutoh
Journal: AIP Conference Proceedings
AIP Conf. Proc. 1689, 090006 (2015)
https://doi.org/10.1063/1.4936543
Published: December 2015
View articletitled, Plasma interface of the EC waves to the LHD peripheral region
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Journal Articles

Operation and commissioning of IFMIF (International Fusion Materials Irradiation Facility) LIPAc injector

Y. Okumura, R. Gobin, J. Knaster, R. Heidinger, J.-M. Ayala, B. Bolzon, P. Cara, N. Chauvin, S. Chel, D. Gex, F. Harrault, R. Ichimiya, A. Ihara, Y. Ikeda, A. Kasugai, T. Kikuchi, T. Kitano, M. Komata, K. Kondo, S. Maebara, A. Marqueta, S. O’Hira, M. Perez, G. Phillips, G. Pruneri, K. Sakamoto, F. Scantamburlo, F. Senée, K. Shinto, M. Sugimoto, H. Takahashi, H. Usami, M. Valette
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 87, 02A739 (2016)
https://doi.org/10.1063/1.4936248
Published: December 2015
View articletitled, Operation and commissioning of IFMIF (International Fusion Materials Irradiation Facility) LIPAc injector
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Journal Articles

Measurement of ion species in high current ECR H+/D+ ion source for IFMIF (International Fusion Materials Irradiation Facility)

K. Shinto, F. Senée, J.-M. Ayala, B. Bolzon, N. Chauvin, R. Gobin, R. Ichimiya, A. Ihara, Y. Ikeda, A. Kasugai, T. Kitano, K. Kondo, A. Marqueta, Y. Okumura, H. Takahashi, M. Valette
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 87, 02A727 (2016)
https://doi.org/10.1063/1.4933342
Published: November 2015
View articletitled, Measurement of ion species in high current ECR H+/D+ ion source for IFMIF (International Fusion Materials Irradiation Facility)
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Journal Articles

Accelerated nanoscale magnetic resonance imaging through phase multiplexing

B. A. Moores, A. Eichler, Y. Tao, H. Takahashi, P. Navaretti, C. L. Degen
Journal: Applied Physics Letters
Appl. Phys. Lett. 106, 213101 (2015)
https://doi.org/10.1063/1.4921409
Published: May 2015
View articletitled, Accelerated nanoscale magnetic resonance imaging through phase multiplexing
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Includes: Supplementary data
Journal Articles

Design of polarizers for a mega-watt long-pulse millimeter-wave transmission line on the large helical device

T. Ii, S. Kubo, T. Shimozuma, S. Kobayashi, K. Okada, Y. Yoshimura, H. Igami, H. Takahashi, S. Ito, Y. Mizuno, K. Okada, R. Makino, K. Kobayashi, Y. Goto, T. Mutoh
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 86, 023502 (2015)
https://doi.org/10.1063/1.4907355
Published: February 2015
View articletitled, Design of polarizers for a mega-watt long-pulse millimeter-wave transmission line on the large helical device
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Journal Articles

Electron cyclotron beam measurement system in the Large Helical Device

S. Kamio, H. Takahashi, S. Kubo, T. Shimozuma, Y. Yoshimura, H. Igami, S. Ito, S. Kobayashi, Y. Mizuno, K. Okada, M. Osakabe, T. Mutoh
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 85, 11E822 (2014)
https://doi.org/10.1063/1.4893432
Published: August 2014
View articletitled, Electron cyclotron beam measurement system in the Large Helical Device
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Journal Articles

Development of fast steering mirror control system for plasma heating and diagnostics

K. Okada, M. Nishiura, S. Kubo, T. Shimozuma, Y. Yoshimura, H. Igami, H. Takahashi, K. Tanaka, S. Kobayashi, S. Ito, Y. Mizuno, S. Ogasawara
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 85, 11E811 (2014)
https://doi.org/10.1063/1.4891044
Published: July 2014
View articletitled, Development of fast steering mirror control system for plasma heating and diagnostics
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