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坂本瑞樹

Sakamoto, Mizuki

数理物質系 , 教授
Institute of Pure and Applied Sciences , Professor

http://www.prc.tsukuba.ac.jp/~sakamoto/

オープンアクセス版の論文は「つくばリポジトリ」で読むことができます。

1. Development of 14 GHz 1 MW and 28 GHz 0.4 MW gyrotrons for low-field fusion devices KARIYA, Tsuyoshi; Minami, R.; H. Idei; T. Onchi (+3 著者) Sakamoto, M.
Nuclaer Fusion 65: 096001 (2025)
2. High-speed camera observation of Hα, Hβ and Hγ associated with mutual neutralization and EIR in GAMMA 10/PDX divertor simulated plasma Takahashi, S.; Ezumi, N.; Okamoto, T.; Kono, K. (+8 著者) Sakamoto, M.
NUCLEAR MATERIALS AND ENERGY 43: (2025) Semantic Scholar
3. Discharge characteristics of a hybrid plasma source using hot cathode arc discharge and helicon wave discharge Kinashi, Yuta; Ezumi, Naomichi; Seto, Takumi; Miyauchi, Reina (+6 著者) Ohno, Noriyasu
JAPANESE JOURNAL OF APPLIED PHYSICS 64: (2025) Semantic Scholar
4. Temporal fluid simulation of plasma particle and energy confinement in GAMMA 10/PDX pellet injection experiments Kunii, Akihiro; Togo, Satoshi; Yoshikawa, Masayuki; Ezumi, Naomichi (+1 著者) Sakamoto, Mizuki
JOURNAL OF ADVANCED SIMULATION IN SCIENCE AND ENGINEERING 12: 211 (2025)
5. Development of 154/116 GHz Dual-Frequency Gyrotron for the Large Helical Device KARIYA, Tsuyoshi; MINAMI, R.; T. SHIMOZUMA; S. ITO (+3 著者) SAKAMOTO, M.
J. of Plasma and Fusion Research 20: 1402022 (2025) Semantic Scholar
6. Behavior of detached simulation plasma by suddenly changed particle flux in GAMMA 10/PDX Yoshikawa, Masayuki; Kohagura, Junko; Ezumi, Naomichi; Kariya, Tsuyoshi (+17 著者) Hennie V. D.
AIP ADVANCES 14: (2024) Semantic Scholar
7. Coexistence of H-MAR and N-MAR in divertor simulation experimental module of GAMMA 10/PDX Okamoto, T.; Ezumi, N.; Takahashi, S.; Perillo, R. (+7 著者) Sakamoto, M.
NUCLEAR MATERIALS AND ENERGY 41: (2024) Semantic Scholar
8. Recent progress of JT-60SA project toward plasma operation Shirai, H.; Takahashi, K.; Di Pietro, E.; Abate, D. (+309 著者) Sato, F.
NUCLEAR FUSION 64: (2024) Semantic Scholar
9. Effect of the magnetic field strength on the argon plasma characteristics of a helicon plasma source with a two-turn flat-loop antenna Seto, Takumi; Ezumi, Naomichi; Miyauchi, Reina; Okamoto, Takuma (+9 著者) Shinohara, Shunjiro
JOURNAL OF PLASMA PHYSICS 90: (2024) Semantic Scholar
10. Hydrogen removal by electron cyclotron wall conditioning with neon gas and its impact of tokamak plasma start-up on the QUEST spherical tokamak Fukumoto, Masakatsu; Yue, Qilin; Hanada, Kazuaki; Kojima, Shinichiro (+17 著者) Higashijima, Aki
NUCLEAR FUSION 64: (2024) Semantic Scholar
11. Study of the pellet ablation cloud using the tomography technique for two-directional simultaneous photography in GAMMA 10/PDX Yoshikawa, M.; Nakashima, Y.; Kohagura, J.; Shima, Y. (+3 著者) Sakamoto, M.
JOURNAL OF PLASMA PHYSICS 90: (2024) Semantic Scholar
12. DEVELOPMENT OF MW GYROTRONS WITH COLLABORATION RESEARCH FOR PLASMA HEATING IN FUSION EXPERIMENTAL DEVICES KARIYA, Tsuyoshi; R.Minami; IMAI, T.; NUMAKURA, T. (+9 著者) M. ONO
28th IAEA Fusion Energy Conference (FEC 2020) IAEA-CN-316-1671 (2023)
13. Time Evolution of 2D Emission Profiles of Detached Plasma during Hydrogen and Impurities Combined Gas Seeding in GAMMA10/PDX EZUMI, N.; GAMO, H.; TAKAHASHI, S.; OKAMOTO, T. (+8 著者) PERILLO, R.
Proc. 29th IAEA Fusion Energy Conference (FEC 2023) IAEA-CN-316/1658 (2023)
14. EFFECT OF HIGHER PARTICLE FLUX ON DETACHED SIMULATION PLASMA IN THE GAMMA 10/PDX DIVERTOR SIMULATION EXPERIMENTAL MODULE YOSHIKAWA, Masayuki; Kohagura, J.; Ezumi, N.; Kariya, T. (+9 著者) Meiden, H. v
Proc. 29th IAEA Fusion Energy Conference (FEC2023) IAEA-CN-316/1674 279 (2023)
15. High-Energy Ion Generation During Difference-Frequency ICRF Wave Heating in GAMMA 10/PDX Sugimoto, Y.; Hirata, M.; Nakashima, Y.; Ichimura, M. (+9 著者) Sakamoto, M.
PLASMA AND FUSION RESEARCH 18: 2402084 (2023) Semantic Scholar
16. Development of dual-path multi-pass Thomson scattering system in GAMMA 10/PDX Yoshikawa, Masayuki; Kohagura, J.; Shima, Yoriko; Nakashima, Y. (+10 著者) H. van der
Journal of Instrumentation (JINST) 18: C10006-1 (2023) Semantic Scholar
17. Analysis of the Contribution of Magnetic Moment Conservation to Ion Energy Transport in the GAMMA 10/PDX Divergent Field Region Takanashi, Kosuke; Togo, Satoshi; Ezumi, Naomichi; Hirata, Mafumi (+6 著者) Sakamoto, Mizuki
PLASMA AND FUSION RESEARCH 18: (2023) Semantic Scholar
18. Effect of Impurity Ions on Ion Current Flowing into an Ion Sensitive Probe during N2 and H2 Seeding in Hydrogen Plasma Okamoto, Takuma; Ezumi, Naomichi; Togo, Satoshi; Perillo, Renato (+5 著者) Sakamoto, Mizuki
PLASMA AND FUSION RESEARCH 18: (2023) Semantic Scholar
19. Initial Properties of Steady State RF Plasma Source by Two Turn Flat Loop Antenna for DEMO Relevant Divertor Simulation Experiment Takumi, SETO; Naomichi, EZUMI; Reina, MIYAUCHI; Naoki (+9 著者) SHINOHARA
PLASMA AND FUSION RESEARCH 18: (2023) Semantic Scholar
20. Measurement of Radiated Power using an InfraRed Imaging Video Bolometer system in the Upstream of GAMMA 10/PDX Divertor Simulation Plasma SHIGEMATSU, Naoki; Ezumi, Naomichi; Mukai, Kiyofumi; SETO, Takumi (+10 著者) SAKAMOTO, Mizuki
Plasma and Fusion Research 18: 2402031 (2023) Semantic Scholar

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1. マルチスケールでのプラズマ・壁相互作用の理解の現状, ２．坂本瑞樹 (担当:監修)
2008年12月
2. マルチスケールでのプラズマ・壁相互作用の理解の現状, １．坂本瑞樹 (担当:監修)
2008年12月
3. 磁場閉じ込め装置における定常運転, ２．TRIAM-1Mにおける長時間プラズマ実験伊藤智之; 坂本瑞樹 (担当:監修)
プラズマ・核融合学会誌 1994年3月

141. Study of the plasma parameters in the D-module of GAMMA 10/PDX during impurity gases injection Islam; M. S.; Nakashima, Y.; A. Hatayama; H. Matsuura; Iijima, T.; K. Ichimura; M. M. Islam; T. Yokodo; T. Yoshimoto; S. Yamashita; T. Hara; K. Nojiri; A. Terakado; Yoshikawa, Masayuki; Ezumi, N.; Sakamoto, M.
The 12th Open Magnetic Confinement Systems for Plasma Confinement 2018年8月27日
142. Two dimensional Hα emission measurements using the multi-channel Hα array system in GAMMA 10 / PDX T. Yamasaki; Yoshikawa, Masayuki; Kohagura, J.; Y. Shima; H. Nakanishi; S. Suto; T. Mouri; Sakamoto, M.; Nakashima, Y.
The 12th Open Magnetic Confinement Systems for Plasma Confinement 2018年8月27日
143. Characteristics of upstream and downstream on detached plasma in D-module of GAMMA 10/PDX Iijima, T.; Nojiri, K.; Terakado, A.; Islam, M. S.; Yoshimoto, T.; Hara, T.; Yamashita, S.; Ezumi, Naomichi; Sakamoto, M.; Nakashima, Y.
12th International Conference on Open Magnetic Systems for Plasma Confinement (OS2018) 2018年8月27日
144. Heat flux evolution in GAMMA 10/PDX divertor experiment Matsuura, H.; T.Iijima; Ezumi, Naomichi; Nakashima, Y.; Sakamoto, M.; Shoji, M.; Nagaoka, K.
12th International Conference on Open Magnetic Systems for Plasma Confinement (OS2018) 2018年8月27日
145. GAMMA PDX-SC project: status and perspectives Sakamoto, M.; Nakashima, Y.; Ezumi, Naomichi; Katanuma, I.; Kariya, T.; Yoshikawa, M.; Minami, R.; Hirata, M.; Kohagura, J.; Numakura, T.; Ikezoe, R.; Togo, S.; Iijima, T.; Imai, T.; Ichimura, M.
12th International Conference on Open Magnetic Systems for Plasma Confinement (OS2018) 2018年8月27日
146. Analysis on the Sensitivity of the ASDEX Type Fast Ionization Gauge in Mixed Radiator Gases for Divertor Simulators Ichimura, K.; Yamashita, S.; Nakashima, Y.; Fukumoto, M.; Shoji, M.; Sakamoto, M.; Ezumi, Naomichi; Iijima, T.; Islam, M. S.; Terakado, A.; K.Nojiri; T.Yoshimoto; Hara, T.; Takeno, H.
12th International Conference on Open Magnetic Systems for Plasma Confinement (OS2018) 2018年8月27日
147. Spontaneous Ion Temperature Gradient in Inhomogeneous Magnetic Fields and Its Effect on the Parallel Heat Transport Togo, S.; Takizuka, T.; Ibano, K.; Ogawa, Y.; Nojiri, K.; Kinoshita, Y.; Iijima, T.; Hara, T.; Sakamoto, M.; Ezumi, Naomichi; Nakashima, Y.
12th International Conference on Open Magnetic Systems for Plasma Confinement (OS2018) 2018年8月27日
148. Spectroscopic measurement of electron temperature and density Mikami, T.; Sakamoto, M.; Ezumi, Naomichi; Nakano, T.; Terakado, A.; Nojiri, K.; Kinoshita, Y.; Togo, S.; Iijima, T.; Yoshimoto, T.; Minami, R.; Kado, S.; Nakashima, Y.
12th International Conference on Open Magnetic Systems for Plasma Confinement (OS2018) 2018年8月27日
149. Evaluation of electron density and space potential using ion sensitive probe in D-module of GAMMA 10/PDX Kinoshita, Y.; Ezumi, Naomichi; Nojiri, K.; Iijima, T.; Terakado, A.; Mikami, T.; Kobayashi, K.; Sakamoto, M.; Nakashima, Y.; Togo, S.; Kohagura, J.; Yoshikawa, M.; Tanaka, H.; Masuzaki, S.
12th International Conference on Open Magnetic Systems for Plasma Confinement (OS2018) 2018年8月27日
150. Dynamic response of plasma detachment caused by MAR to transient heat flux in GAMMA 10/PDX Terakado, A.; Sakamoto, M.; Ezumi, Naomichi; Nojiri, K.; Mikami, T.; Kinoshita, Y.; Togo, S.; Iijima, T.; Nakashima, Y.
12th International Conference on Open Magnetic Systems for Plasma Confinement (OS2018) 2018年8月27日
151. Thermodynamic properties of ions in the end-region of GAMMA 10/PDX Nojiri, K.; Sakamoto, M.; Ezumi, Naomichi; Togo, S.; Jang, S.; Terakado, A.; Kinoshita, Y.; Takizuka, T.; Ogawa, Y.; Nakashima, Y.
12th International Conference on Open Magnetic Systems for Plasma Confinement (OS2018) 2018年8月27日
152. Diagnostics for Surface of Tungsten Exposed to Deuterium Plasma by Spectroscopic Ellipsometry Suzuki, Y.; Sakamoto, M.; Ino, S.; Ezumi, Naomichi; Nakashima, Y.
12th International Conference on Open Magnetic Systems for Plasma Confinement (OS2018) 2018年8月27日
153. Time behavior of perpendicular velocity of density fluctuations with a series of electron cyclotron heatings in GAMMA 10 Kohagura, J.; Tokuzawa, Tokihiko; Yoshikawa, Masayuki; Shima, Y.; Nojiri, K.; Terakado, A.; Konno, N.; Ezumi, N.; Sakamoto, M.; Nakashima, Y.
The 12th Open Magnetic Confinement Systems for Plasma Confinement 2018年8月27日
154. Effect of the potential of the central cell 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.
The 12th Open Magnetic Confinement Systems for Plasma Confinement 2018年8月27日
155. Recent results of ICRF heating experiments for a divertor simulation study on GAMMA 10/PDX Hirata, M.; Ichimura, M.; Ikezoe, R.; Sumida, S.; Jang, S.; Itagaki, J.; Izumi, K.; Tanaka, A.; Kubota, Y.; Sekine, R.; Kayano, H.; Sakamoto, M.; Ejiri, A.; Nakashima, Y.
The 12th Open Magnetic Confinement Systems for Plasma Confinement 2018年8月27日
156. 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.
The 12th Open Magnetic Confinement Systems for Plasma Confinement 2018年8月27日
157. 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.
The 12th Open Magnetic Confinement Systems for Plasma Confinement 2018年8月27日
158. 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.
The 12th Open Magnetic Confinement Systems for Plasma Confinement 2018年8月27日
159. Measurement of end-loss ions originated from spontaneously excited high frequency waves by using an MCP detector on GAMMA 10 Izumi, K.; Ikezoe, R.; Ichimura, M.; Hirata, M.; Sakamoto, M.; Sumida, S.; Jang, S.; Tanaka, A.; Kubota, Y.; Sekine, R.; Kayano, H.; Nakashima, Y.
The 12th Open Magnetic Confinement Systems for Plasma Confinement 2018年8月27日
160. Two dimensional H emission measurements using the multi-channel H array system in GAMMA 10/PDX Yamasaki, T.; Yoshikawa, Masayuki; Kohagura, J.; Y. Shima; H. Nakanishi; S. Suto; T. Mouri; Sakamoto, M.; Nakashima, Y.
Japan-Korea Diagnostics Seminar 2018年8月7日