Ryuichi Sakamoto

教授/Professor

核融合科学研究所/National Institute for Fusion Science

Japan

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Ryuichi Sakamoto is a Professor at the National Institute for Fusion Science in Japan. His research focuses on plasma physics, particularly the interactions of helium and hydrogen plasmas with tungsten materials, as well as the optimization of pellet fueling in stellarators. He has contributed significantly to understanding plasma behavior in experiments using the Large Helical Device (LHD) and the implications for achieving burning plasma conditions.

Articles (17)

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2025

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2024

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2024

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2024

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2024

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2024

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2023

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2022

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2022

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2022

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2022

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2022

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2021

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2021

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AUSTRIA

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Tetsutarou Oishi

Associate Professor

Tohoku University

JAPAN

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Christopher G. Albert

AUSTRIA

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Suguru Masuzaki

教授/Professor

核融合科学研究所/National Institute for Fusion Science

JAPAN

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Mykola Ialovega

University of Wisconsin-Madison

UNITED STATES

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Andreas Dinklage

Max-Planck-Institut für Plasmaphysik Teilinstitut Greifswald

GERMANY

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Tatsuya Kobayashi

准教授/Associate Professor

核融合科学研究所/National Institute for Fusion Science

JAPAN

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Ryuichi Sakamoto

Research Interests

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About

Articles (17)

Helium plasma-induced surface modifications of unirradiated and pre-ion irradiated tungsten at LHD divertor leg position

Structure of pellet cloud emission and relation with the local ablation rate

Overview of Large Helical Device experiments of basic plasma physics for solving crucial issues in reaching burning plasma conditions

Potential impact of surface microstructure change on reduction of emission current in tungsten filament

Better Understanding of Hydrogen Pellet Ablation Cloud Spectra through the Occupation Probability Formalism in LHD

Impact of helium and hydrogen plasma exposure on surface damage and erosion of tungsten

Perspective of Meta-Hierarchy Dynamics

Using rational surfaces to improve pellet fuelling in stellarators

Particle control in long-pulse discharge using divertor pumping in LHD

Enhanced Material Assimilation in a Toroidal Plasma Using Mixed H2+Ne Pellet Injection and Implications to ITER

Helium-induced morphology evolution in tungsten under thermal treatment

Electron temperature and density measurement by Thomson scattering with a high repetition rate laser of 20 kHz on LHD

Data-Driven Control for Radiative Collapse Avoidance in Large Helical Device

Improved performance of electron cyclotron resonance heating by perpendicular injection in the Large Helical Device

Characteristics of plasma parameters and turbulence in the isotope-mixing and the non-mixing states in hydrogen–deuterium mixture plasmas in the large helical device

Fuel flow and stock during deuterium-deuterium start-up of fusion reactor with advanced plasma model

Hydrogen trapping in tungsten: impact of helium irradiation and thermal cycling

Collaborators (12)

Katsumi Ida

Daisuke Nagata

Gen Motojima

Kenji Tanaka

Shin Kubo

Markus J. Markl

Tetsutarou Oishi

Christopher G. Albert

Suguru Masuzaki

Mykola Ialovega

Andreas Dinklage

Tatsuya Kobayashi

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