Papers - ODA Yasuhisa

ECCD system design activities for JA DEMO

Yasuhisa Oda, Kazunobu Nagasaki, Atsushi Fukuyama, Takashi Maekawa, Hiroshi Idei, Tomohiro Seino, Kota Yanagihara, Nobuyuki Aiba, Satoru Yajima, Takahiro Shinya, Ryosuke Ikeda, Ken Kajiwara, Shin Kubo, Kenji Tobita, Shota Sugiyama, Hiroyasu Uto, Yoshiteru Sakamoto

EPJ Web Conf. 22nd Joint Workshop on Electron Cyclotron Emission and Electron Cyclotron Resonance Heating (EC22)313   01001   2024.11

Joint Work

Research paper (international conference proceedings)

Authorship: Lead author  Corresponding author

DOI

A study on gas heating using porous carbon as a radiation absorber for solar thermal propulsion

Yasuhisa ODA

Transactions of the Japan Society for Aeronautical and Space Sciences, Aerospace Technology Japan22 ( AJCPP ) aj7 - aj10   2024.07

Single Work

Research paper (scientific journal)

Authorship: Lead author  Corresponding author

DOI

Observation of atmospheric millimeter-wave discharges at 94 GHz and comparison with other microwave and millimeter-wave frequencies

K. Tabata, A. Manabe, K. Komurasaki, Y. Oda

Applied Physics Letters124 ( 26 )   263903   2024.06

Joint Work

Research paper (scientific journal)

Authorship: Last author 

DOI

Design Activities of ECH/CD System for JA DEMO

Yasuhisa Oda, Kazunobu Nagasaki, Atsushi Fukuyama, Takashi Maekawa, Hiroshi Idei, Kota Yanagihara, Nobuyuki Aiba, Ryosuke Ikeda, Ken Kajiwara, Shin Kubo, Tomohiro Seino, Kenji Tobita, Hiroyasu Uto, Yoshiteru Sakamoto

AIP Conference Proceedings2984   030002   2023.08

Joint Work

Research paper (international conference proceedings)

Authorship: Lead author 

DOI

Study of influence of frequency and beam profile on high power millimeter wave measurement using compact dummy loads

Masahiro TSUJI, Kazuki SHIMOMOTO, Yasuhisa ODA, Tsuyoshi KARIYA, Ryutarou MINAMI, Kinzoh SAKAMOTO, and Kazunobu NAGASAKI

Applied Plasma Science31 ( 1 ) 19 - 25   2023.06

Joint Work

Research paper (scientific journal)

Authorship: Corresponding author

Development of a DEMO Class Electron Cyclotron Heating and Current Drive System

Yasuhisa Oda, Kazunobu Nagasaki, Atsushi Fukuyama, Takashi Maekawa, Hiroshi Idei

Journal of Plasma Fusion Research99 ( 3 ) 60 - 65   2023.03

Joint Work

Research paper (scientific journal)

Quantitative Intensity Distribution Measurement of Gyrotron RF Output Using Dielectric Plate

Ayuto Manabe, Kuniyoshi Tabata, Yoshiki Takase, Itsuki Mori, Kimiya Komurasaki, Hokuto Sekine, Masahiro Tsuji, Yasuhisa Oda

Insitute of Applied Plasma Sciencee30 ( 2 ) 51 - 58   2022.12

Joint Work

Research paper (scientific journal)

DOI

Eigenmode Analysis for High Power Microwave Transmission and Its Application

Yasuhisa Oda, Ken Kajiwara, Taku Eguchi, Yoshika Mitsunaka

応用数理32 ( 3 ) 154 - 159   2022.09

Joint Work

Research paper (scientific journal)

DOI

A Study of a High-power RF System Configuration for a Power Station of Microwave Rocket

Yasuhisa Oda

Proceedings of ISTS 2022   2022.02

Single Work

Research paper (international conference proceedings)

Progress on performance tests of ITER gyrotrons and design of dual-frequency gyrotrons for ITER staged operation plan

Ryosuke Ikeda , Ken Kajiwara, Taku Nakai, Takeru Ohgo, Satoru Yajima, Takahiro Shinya, Takayuki Kobayashi, Koji Takahashi, Shinichi Moriyama, Taku Eguchi, Yoshika Mitsunaka, Yasuhisa Oda, Keishi Sakamoto

Nuclear Fusion61   106031   2021.09

Joint Work

Research paper (scientific journal)

DOI

A study on the macroscopic self-organized structure of high-power millimeter-wave breakdown plasma

Yasuhisa Oda , Masayuki Takahashi, Naofumi Ohnishi, Kimiya Komurasaki, Keishi Sakamoto, Tsuyoshi Imai

Plasma Sources Science and Technology29   075010   2020.07

Joint Work

Research paper (scientific journal)

DOI

A Study of a High-power Millimeter-wave Multiplexer for a Beam Station of Microwave Rocket

Yasuhisa Oda, Mikio Saigusa

Applied Plasma Science28 ( 1 ) 27 - 33   2020.06

Joint Work

Research paper (scientific journal)

Development of 1st ITER Gyrotron in QST

Yasuhisa Oda, Ryosuke Ikeda, Ken Kajiwara, Takayuki Kobayashi, Kazuo Hayashi, Koji Takahashi, Shinichi Moriyama, Keishi Sakamoto, Taku Eguchi, Yoshio Kawakami, Yoshika Mitsunaka, Caroline Darbos and Mark Andrew Henderson

Nuclear Fusion59 ( 8 )   086014   2019

Joint Work

Research paper (scientific journal)

DOI

A study on multi frequency operation of RF transmission system for EC H&CD system

Yasuhisa Oda, James Anderson, John Doane, Ken Kajiwara, Ryosuke Ikeda, Koji Takahashi and Keishi Sakamoto

Nuclear Fusion58 ( 10 )   106041   2018

Joint Work

Research paper (scientific journal)

DOI

ギガワット出力ミリ波ビーム源開発のための技術課題

小田，今井

プラズマ核融合学会誌93 ( 10 ) 473 - 477   2017.10

Joint Work

Research paper (scientific journal)

Demonstration of Synchronous Control of EC TL Switch and Gyrotron for ITER EC System

Y. Oda, K. Ohshima, K. Hayashi, R. Ikeda, K. Takahashi, K. Sakamoto, F. Gandini, D. Purohit, I. Yonekawa, T. Omori, C. Darbos, M. Henderson

Fusion Engineering and Design123   371 - 375   2017.04

Joint Work

Research paper (scientific journal)

DOI

Controllability Study of Propagating Mode Content by an Angle-Adjustable Mirror of a Miter-Bend in EC H&CD Transmission Line

Y. Oda, R. Ikeda, M. Fukunari, T. Ikeyama, K. Takahashi, K. Kajiwara, T. Kobayashi, S. Moriyama, K. Sakamoto, M. A. Shapiro, R. J. Temkin

IEEE Transaction of Plasma Science44 ( 12 ) 3392 - 3397   2016.11

Joint Work

Research paper (scientific journal)

DOI

Status of the ITER Electron Cyclotron Heating and Current Drive System

C. Darbos, F. Albajar, T. Bonicelli, G. Caranannte, (Y.Oda) 他29名

Journal of Infrared, Millimeter, and Terahertz Waves37 ( 1 ) 4 - 20   2015.10

Joint Work

Research paper (scientific journal)

Gyrotorn development for high-power, long-pulse electron cyclotron heating and current drive at two frequencies in JT-60SA and its extension toward operation at three frequencies

T. Kobayashi, S. Moriyama, K. Yokokura, M. Sawahata, (Y. Oda) 他 17名

Nuclear Fusion55 ( 6 )   063008   2015.04

Joint Work

Research paper (scientific journal)

Prototype development of the ITER EC system with 170GHz gyrotron

Y. Oda, K. Kajiwara, R. Ikeda, K. Ohshima, K. Hayashi, 他 7名

Proceedings of 25th IAEA Fusion Energy Conference   2014.10

Joint Work

Research paper (scientific journal)