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Journal Articles

Two-color CO2 laser long-distance interference measurements with long-time stabilization in JT-60SA

H. Sasao, Y. Ohtani, S. Chiba, T. Nakano, M. Yoshida
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 96, 043508 (2025)
https://doi.org/10.1063/5.0221294
Published: April 2025
View articletitled, Two-color CO2 laser long-distance interference measurements with long-time stabilization in JT-60SA
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Journal Articles

Preparatory study of feasibility for a vertical viewing electron cyclotron emission diagnostic for the JT-60SA tokamak

T. Tokuzawa, M. Yoshida, R. Imazawa, S. Nakagawa, S. Inagaki, F. Kin, S. Chiba, N. Suzuki, T. Nasu, A. Fujisawa, K. Ida
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 95, 083531 (2024)
https://doi.org/10.1063/5.0218359
Published: August 2024
View articletitled, Preparatory study of feasibility for a vertical viewing electron cyclotron emission diagnostic for the JT-60SA tokamak
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Journal Articles

Real-time processing system of a two-color CO2 laser interferometer for density feedback control in JT-60SA

Y. Ohtani, H. Sasao, T. Nakano, M. Fukumoto, T. Wakatsuki, S. Inoue, S. Kojima, H. Urano, M. Yoshida
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 95, 073518 (2024)
https://doi.org/10.1063/5.0215877
Published: July 2024
View articletitled, Real-time processing system of a two-color CO2 laser interferometer for density feedback control in JT-60SA
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Journal Articles

Large magneto-thermal-switching ratio in superconducting Pb wires

M. Yoshida, H. Arima, A. Yamashita, K. Uchida, Y. Mizuguchi
Journal: Journal of Applied Physics
J. Appl. Phys. 134, 065102 (2023)
https://doi.org/10.1063/5.0159336
Published: August 2023
View articletitled, Large magneto-thermal-switching ratio in superconducting Pb wires
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Includes: Supplementary data
Journal Articles

3D metal powder additive manufacturing phased array antenna for multichannel Doppler reflectometer

T. Tokuzawa, T. Nasu, S. Inagaki, C. Moon, T. Ido, H. Idei, A. Ejiri, R. Imazawa, M. Yoshida, N. Oyama, K. Tanaka, K. Ida
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 93, 113535 (2022)
https://doi.org/10.1063/5.0101723
Published: November 2022
View articletitled, 3D metal powder additive manufacturing phased array antenna for multichannel Doppler reflectometer
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Journal Articles

Application of transient transport analysis method for modulation experiment

Y. Ohtani, M. Yoshida, M. Honda, E. Narita
Journal: AIP Advances
AIP Advances 11, 085306 (2021)
https://doi.org/10.1063/5.0056982
Published: August 2021
View articletitled, Application of transient transport analysis method for modulation experiment
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Journal Articles

Analysis of the Motional Stark Effect (MSE) diagnostic to measure the rotational transform and current profile in the Large Helical Device

M. Sanders, K. Ida, M. Yoshinuma, C. Suzuki, Y. Yoshimura, R. Seki, M. Emoto, M. Yoshida, T. Kobayashi
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 92, 053503 (2021)
https://doi.org/10.1063/5.0018859
Published: May 2021
View articletitled, Analysis of the Motional Stark Effect (MSE) diagnostic to measure the rotational transform and current profile in the Large Helical Device
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Journal Articles

Extraction of negative hydrogen ions produced with aluminum plasma grid

FeaturedScilight
M. Yoshida, R. Watano, Y. Morinaga, T. Kamikawa, W. Oohara
Journal: Physics of Plasmas
Phys. Plasmas 28, 033512 (2021)
https://doi.org/10.1063/5.0038262
Published: March 2021
View articletitled, Extraction of negative hydrogen ions produced with aluminum plasma grid
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Journal Articles

Role of deflection magnetic field in hydrogen ionic plasma formation

Editor’s Pick
W. Oohara, T. Kaji, K. Hirose, M. Fujii, R. Watano, M. Watai, Y. Hiraoka, M. Yoshida
Journal: AIP Advances
AIP Advances 10, 095006 (2020)
https://doi.org/10.1063/5.0020697
Published: September 2020
View articletitled, Role of deflection magnetic field in hydrogen ionic plasma formation
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Journal Articles

Analysis of the cesium distribution in the JT-60SA negative ion sources for steady long-pulse operation

M. Yoshida, W. Oohara, M. Ichikawa, J. Hiratsuka, G. Q. Saquilayan, N. Umeda, A. Kojima, M. Kashiwagi
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 91, 033313 (2020)
https://doi.org/10.1063/1.5131103
Published: March 2020
View articletitled, Analysis of the cesium distribution in the JT-60SA negative ion sources for steady long-pulse operation
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Journal Articles

Achievement of high power and long pulse negative ion beam acceleration for JT-60SA NBI

J. Hiratsuka, M. Kashiwagi, M. Ichikawa, N. Umeda, G. Q. Saquilayan, H. Tobari, K. Watanabe, A. Kojima, M. Yoshida
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 91, 023506 (2020)
https://doi.org/10.1063/1.5131302
Published: February 2020
View articletitled, Achievement of high power and long pulse negative ion beam acceleration for JT-60SA NBI
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Journal Articles

Generation of hydrogen ionic plasma superimposed with positive ion beam

W. Oohara, M. Fujii, M. Watai, Y. Hiraoka, M. Egawa, Y. Morinaga, S. Takamori, M. Yoshida
Journal: AIP Advances
AIP Advances 9, 085303 (2019)
https://doi.org/10.1063/1.5109805
Published: August 2019
View articletitled, Generation of hydrogen ionic plasma superimposed with positive ion beam
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Journal Articles

Evaluation of the temperature dependence of the cesium deposition on the plasma grid in the JT-60SA negative ion source

M. Yoshida, W. Oohara, M. Ichikawa, J. Hiratsuka, N. Umeda, A. Kojima, M. Kashiwagi
Journal: AIP Conference Proceedings
AIP Conf. Proc. 2052, 040008 (2018)
https://doi.org/10.1063/1.5083742
Published: December 2018
View articletitled, Evaluation of the temperature dependence of the cesium deposition on the plasma grid in the JT-60SA negative ion source
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Journal Articles

Complete compensation of criss-cross deflection in a negative ion accelerator by magnetic technique

Daniele Aprile, P. Agostinetti, C. Baltador, S. Denizeau, J. Hiratsuka, M. Ichikawa, M. Kashiwagi, A. Kojima, N. Marconato, A. Pimazzoni, E. Sartori, G. Serianni, P. Veltri, M. Yoshida, G. Chitarin
Journal: AIP Conference Proceedings
AIP Conf. Proc. 2052, 070001 (2018)
https://doi.org/10.1063/1.5083781
Published: December 2018
View articletitled, Complete compensation of criss-cross deflection in a negative ion accelerator by magnetic technique
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Journal Articles

Magnetic structure of a non-centrosymmetric CePtSi3

D. Ueta, M. Yoshida, Y. Ikeda, Y. Liu, T. Hong, T. Masuda, H. Yoshizawa
Journal: AIP Advances
AIP Advances 8, 115006 (2018)
https://doi.org/10.1063/1.5042736
Published: November 2018
View articletitled, Magnetic structure of a non-centrosymmetric CePtSi3
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Journal Articles

The effect of transport and extraction of non-uniform surface produced H− in large multi-aperture negative ion sources

S. Fujita, T. Yamamoto, M. Yoshida, M. Kashiwagi, A. Hatayama
Journal: AIP Conference Proceedings
AIP Conf. Proc. 2011, 050016 (2018)
https://doi.org/10.1063/1.5053314
Published: September 2018
View articletitled, The effect of transport and extraction of non-uniform surface produced H− in large multi-aperture negative ion sources
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Journal Articles

A motional Stark effect diagnostic analysis routine for improved resolution of iota in the core of the large helical device

T. J. Dobbins, K. Ida, C. Suzuki, M. Yoshinuma, T. Kobayashi, Y. Suzuki, M. Yoshida
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 88, 093518 (2017)
https://doi.org/10.1063/1.4995808
Published: September 2017
View articletitled, A motional Stark effect diagnostic analysis routine for improved resolution of iota in the core of the large helical device
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Journal Articles

Analysis of the spatial non-uniformity of negative ion production in surface-produced negative ion sources

S. Fujita, T. Yamamoto, M. Yoshida, M. Onai, A. Kojima, A. Hatayama, M. Kashiwagi
Journal: AIP Conference Proceedings
AIP Conf. Proc. 1869, 030041 (2017)
https://doi.org/10.1063/1.4995761
Published: August 2017
View articletitled, Analysis of the spatial non-uniformity of negative ion production in surface-produced negative ion sources
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Journal Articles

Determination of the meniscus shape of a negative ion beam from an experimentally obtained beam profile

M. Ichikawa, A. Kojima, G. Chitarin, P. Agostinetti, D. Aprile, C. Baltador, M. Barbisan, R. Delogu, J. Hiratsuka, N. Marconato, R. Nishikiori, A. Pimazzoni, E. Sartori, G. Serianni, H. Tobari, N. Umeda, P. Veltri, K. Watanabe, M. Yoshida, V. Antoni, M. Kashiwagi
Journal: AIP Conference Proceedings
AIP Conf. Proc. 1869, 030024 (2017)
https://doi.org/10.1063/1.4995744
Published: August 2017
View articletitled, Determination of the meniscus shape of a negative ion beam from an experimentally obtained beam profile
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Journal Articles

Experimental validation of an innovative deflection compensation method in a multi-beamlet negative-ion accelerator

G. Chitarin, A. Kojima, P. Agostinetti, D. Aprile, C. Baltador, J. Hiratsuka, M. Ichikawa, N. Marconato, E. Sartori, G. Serianni, P. Veltri, M. Yoshida, M. Kashiwagi, M. Hanada, V. Antoni
Journal: AIP Conference Proceedings
AIP Conf. Proc. 1869, 030026 (2017)
https://doi.org/10.1063/1.4995746
Published: August 2017
View articletitled, Experimental validation of an innovative deflection compensation method in a multi-beamlet negative-ion accelerator
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