澤田 圭司 (サワダ ケイジ)   

学術研究院(工学系)

工学部 工学基礎部門 

教授 

学位

  • 博士(工学), 京都大学

研究分野

  • プラズマ科学, プラズマ科学

経歴

  • 2011年
    信州大学 教授
  • 1997年
    信州大学 助教授
  • 1994年
    信州大学 講師
  • 1989年 - 1991年
    三菱電機

学歴

  • 1983年 - 1987年, 京都大学工学部
  • 1994年, 京都大学大学院工学研究科博士課程
  • 1989年, 京都大学大学院工学研究科修士課程

論文

  • 要素モデルの統合が実現する壁からプラズマまでを含めた中性粒子輸送研究 (小特集 磁場閉じ込め核融合装置における水素原子分子輸送研究の新展開)
    齋藤 誠紀;中村 浩章;澤田 圭司;河村 学思;小林 政弘
    プラズマ・核融合学会誌 = Journal of plasma and fusion research, 98(1), 5-19, 2022年01月
  • Reduction of pulsed particle load with dynamic pressure induced by transient recycled neutral flux
    Yuki Hayashi, Hirohiko Tanaka, Noriyasu Ohno, Shin Kajita, Thomas Morgan, Hennie van der Meiden, John Scholten, Jordy Vernimmen, Hiroki Natsume, Keiji Sawada, Shota Masuda
    Plasma Physics and Controlled Fusion, 64, 105013, 2022年
  • Isotope Effect for Plasma Detachment in Helium and Hydrogen/Deuterium Mixture Plasmas
    Xinyue GUO, Hirohiko TANAKA, Shin KAJITA, Noriyasu OHNO, Shogo HATTORI, Keiji SAWADA
    Plasma and Fusion Research, 17,, 2402027, 2022年
  • Electron and Proton Energy Loss via Rovibrational Excitation of Molecular Hydrogen in Fusion Detached Plasmas
    Keiji SAWADA
    Plasma and Fusion Research, 17, 2403044-1-4, 2022年
  • Isotope effect of rovibrational distribution of hydrogen molecules desorbed from amorphous carbon
    Nakamura, Hiroaki; Saito, Seiki; Sawada, Takumi; Sawada, Keiji; Kawamura, Gakushi; Kobayashi, Masahiro; Hasuo, Masahiro;
    Japanese Journal of Applied Physics, 61(SA), SA1005, 2022年WebofScience電子ジャーナル
  • イオン源プラズマの原子・分子過程 (小特集 イオン源の数値シミュレーション技術の進展と応用)
    柴田 崇統;澤田 圭司
    プラズマ・核融合学会誌 = Journal of plasma and fusion research, 97(10), 572-576, 2021年10月
  • Ro-vibrational population distribution in the ground state of hydrogen isotopologues in LHD peripheral plasmas deduced from emission spectroscopy
    Hiroki Ishihara, Arseniy Kuzmin, Masahiro Kobayashi, Taiichi Shikama, Keiji Sawada, Seiki Saito, Hiroaki Nakamura, Keisuke Fujii, Masahiro Hasuo, the LHD Experiment Group.
    Journal of Quantitative Spectroscopy & Radiative Transfer, 267, 107592, 2021年電子ジャーナル
  • Molecular dynamics simulation for hydrogen recycling on tungsten divertor for neutral transport analysis
    Saito, Seiki; Nakamura, Hiroaki; Sawada, Keiji; Kobayashi, Masahiro; Kawamura, Gakushi; Sawada, Takumi; Masahiro, Hasuo
    Japanese Journal of Applied Physics, (60), SAAB08, 2020年
  • Molecular Dynamics Simulation Model of Hydrogen Recycling on Carbon Divertor for Neutral Transport Analysis in LHD
    S. Saito, H. Nakamura, K. Sawada, G. Kawamura, M. Kobayashi, M. Hasuo
    Contrib. Plasm. Phys., e201900152, 2020年
  • Spectroscopic Measurement of Hydrogen Atom Density in a Plasma Produced with 28 GHz ECH in QUEST
    Mori, Satoru; Shikama, Taiichi; Hanada, Kazuaki; Yoneda, Nao; Kuzmin, Arseniy; Hasuo, Masahiro; Idei, Hiroshi; Onchi, Takumi; Ejiri, Akira; Osawa, Yuki; Peng, Yi; Matsuzaki, Kyohei; Kado, Shinichiro; Sawada, Keiji; Ido, Takeshi; Nakamura, Kazuo; Ikezoe, Ryuya; Nagashima, Yoshihiko; Hasegawa, Makoto; Kuroda, Kengo; Higashijima, Aki; Nagata, Takahiro; Shimabukuro, Shun
    ATOMS, 8, 44, 2020年電子ジャーナル
  • Development of a Molecular Dynamics Method with Heat Transfer into Bulk for Ion Injection into Materials
    Saito, Seiki; Nakamura, Hiroaki; Sawada, Keiji; Kobayashi, Masahiro; Gakushi, Kawamura; Masahiro, Hasuo
    Plasma and Fusion Research, 15, 2403073, 2020年電子ジャーナル
  • Detached helium plasma simulation by a one-dimensional fluid code with detailed collisional-radiative model
    Tanaka, H.; Saeki, I.; Ohno, N.; Kajita, S.; Ido, T.; Natsume, H.; Hatayama, A.; Hoshino, K.; Sawada, K.; Goto, M.
    PHYSICS OF PLASMAS, 27(10), 102505, 2020年電子ジャーナル
  • Neutral transport code for rovibrational population calculation of molecular hydrogen in large helical device plasmas
    K. Sawada, H. Nakamura, S. Saito, G. Kawamura, M. Kobayashi, K. Haga, R. Migita, T. Sawada, M. Hasuo
    Contrib. Plasm. Phys., e201900153, 2020年WebofScience電子ジャーナル
  • Reaction processes of molecular activated recombination leading to detachment of divertor simulation plasma in GAMMA 10/PDX
    A. Terakado, M. Sakamoto, N. Ezumi, K. Nojiri, T. Mikami, Y. Kinoshita, S. Togo, T. Iijima, K. Sawada, S. Kado, Y. Nakashima
    Nuclear Materials and Energy, 20, 100679, 2019年
  • Impact of additional plasma heating on detached plasma formation in divertor simulation experiments using the GAMMA 10/PDX tandem mirror
    Y. Nakashima, M.S. Islam, T. Iijima, M. Sakamoto, N. Ezumi, M. Yoshikawa, N. Asakura, M. Fukumoto, A. Hatayama, M. Hirata, M. Ichimura, R. Ikezoe, T. Imai, M.M. Islam, T. Kariya, J. Kohagura, S. Masuzaki, R. Minami, T. Nakano, K. Nojiri, T. Numakura, K. Sawada, M. Shoji, A. Terakado, S. Togo, S. Yamashita, T. Yoshimoto
    Nuclear Materials and Energy, 18, 216-221, 2019年
  • Hydrogen recycling study with a high temperature target in the divertor simulation experiment in GAMMA 10 / PDX
    Akihiro TERAKADO, Mizuki SAKAMOTO, Naomichi EZUMI, Kunpei NOJIRI, Tomohiro MIKAMI, Satoshi TOGO, Takaaki IIJIMA, Takayuki YOKODO, Keiji SAWADA
    Plasma and Fusion Research, 13, 3402096, 2018年
  • Molecular activated recombination in divertor simulation plasma on GAMMA 10/PDX
    M. Sakamoto, A. Terakado, K. Nojiri, N. Ezumi, Y. Nakashima, K. Sawada, K. Ichimura, M. Fukumoto, K. Oki, K. Shimizu, N. Ohno, S. Masuzaki, S. Togo, J. Kohagura, M. Yoshikawa
    Nuclear Materials and Energy, 12, 1004-1009, 2017年
  • Particle source and edge confinement study based on spectroscopic diagnosis in the LHD
    M. Goto, K. Sawada, T. Oishi, S. Morita
    Plasma Physics and Controlled Fusion, 58, 84001-84005, 2016年
  • Photon Trapping Effects in DEMO Divertor Plasma
    K. Hoshino, K. Sawada, R. Idei, S. Tokunaga, N. Asakura, K. Shimizu, N. Ohno
    Contrib. Plasma Phys, 56, 657–662, 2016年
  • Rovibrationally Resolved Time-Dependent Collisional-Radiative Model of Molecular Hydrogen and Its Application to a Fusion Detached Plasma
    Keiji Sawada and Motoshi Goto
    ATOMS, 4(4), 29, 2016年
  • Hydrogen atomic and molecular emission locations and intensities in the LHD edge plasma determined from simultaneously observed polarization spectra
    K. Fujii, K. Sawada, M Goto, S. Morita, M. Hasuo
    Plasma and Fusion Research, 10, 3402041, 2015年
  • Energy Density Dependence of Hydrogen Combustion Efficiency in Atmospheric Pressure Microwave Plasma
    T. Yoshida, N. Ezumi, K. Sawada, Y. Tanaka, M. Tanaka, K. Nishimura
    Fusion Science and Technology, 67, 650-653, 2015年
  • Numerical study of the H0 atomic density and the Balmer line intensity profiles in a hydrogen negative ion source with the effect of non-equilibrium electron energy distribution function
    Takanori Shibata, Mieko Kashiwagi, Akiyoshi Hatayama, Keiji Sawada, Takashi Inoue, Masaya Hanada
    Plasma and Fusion Research, 9, 1401011, 2014年
  • Determination of electron temperature and density at plasma edge in the Large Helical Device with opacity-incorporated helium collisional-radiative model
    M. Goto, K. Sawada
    Journal of Quantitative Spectroscopy and Radiative Transfer, 137, 23-28, 2014年
  • Influence of Plasma-Neutral Collisions on Probe Measurements in Atmospheric Pressure Plasmas
    N. Ezumi, K. Takahashi, T. Yoshida, Y. Hatada, Y. Hayashi, C. Uchiyama, S. Iio, K. Sawada, N. Ohno, Zh. Kiss'ovski
    Contributions to Plasma Physics, 54, 304–307, 2014年
  • Coordinated Research Projects (CRP) (小特集 IAEAにおける原子分子データ Coordinated Research Projects (CRP))
    高木 秀一;小池 文博;中村 信行;坂上 裕之;澤田 圭司;後藤 基志;加藤 太治;芦川 直子;西村 好史;齋藤 純;横川 大輔;周 建斌;WITEK Henryk A.;IRLE Stephan
    プラズマ・核融合学会誌, 89(9), 583-599, 2013年09月
  • Influence of the Probe Electrode on Probe Measurements for Atmospheric Pressure Microwave Plasma Torch
    N. Ezumi, N. Kodama, K. Akahane, S. Shiozawa, K. Sawada, N. Ohno
    Contrib. Plasma Phys., 53, 81-85, 2013年
  • Deuterium atomic density estimation in recombining plasmas using self‐absorption spectroscopy
    S. Kajita, T. Nishiwaki, N. Ohno, Noriyasu, K. Sawada, M. Takagi
    IEEJ Transactions on Electrical and Electronic Engineering, 8, 1-6, 2013年
  • Optical Emission and Mass Spectra Observations during Hydrogen Combustion in Atmospheric Pressure Microwave Plasma
    N. Ezumi, K. Akahane, K. Sawada, Y. Tanaka, M. Tanaka, T. Uda and K. Nishimura
    Plasma and Fusion Research, 7, 2401075, 2012年
  • Spectroscopic diagnostic of helium-hydrogen rf plasma under the influence of radiation trapping
    K. Sawada, M. Goto, N. Ezumi
    Plasma and Fusion Res., 6, 1401010, 2011年
  • Evaluation of hydrogen atom density in the plasma core regionbased on the Balmer-αline profile
    M. Goto, K. Sawada, K. Fujii, M. Hasuo, S. Morita
    Nucl. Fusion, 51, 23005, 2011年
  • A Collisional-Radiative Model for Hydrogen Atom Including Velocity Changing Collisions
    Keisuke FUJII, Taiichi SHIKAMA, Keiji SAWADA, Motoshi GOTO, Shigeru MORITA and Masahiro HASUO
    Plasma and Fusion Research, 6, 2401125, 2011年
  • Atomic and molecular processes with lithium in peripheral plasmas
    I. Murakami, D. Kato, Y. Hirooka, K. Sawada
    Fusion Engineering and Design, (85), 854–857, 2010年
  • Magnetic axial dependency of Hα emission location in peripheral plasmas of Large Helical Device as determined by plasma polarization spectroscopy
    A. Iwamae, A. Sakaue, N. Neshi, J. Yanagibayashi, M. Hasuo, D. Nakamura, K. Sawada, M. Goto, S. Morita
    Plasma and Fusion Res., 5, 032, 2010年
  • FDTD simulation on plasmon in gold nanorod excited by scanning near field optical microscopy
    K. Sawada, H. Nakamura, T. Maruoka, Y. Tamura, K. Imura, T. Saiki, H. Okamoto
    Plasma and Fusion Res., 5, S2110, 2010年
  • Collisional-radiative model for spectroscopic diagnostic of optically thick helium plasma
    K. Sawada, Y. Yamada, T. Miyachika, N.Ezumi, A. Iwamae, M. Goto
    Plasma and Fusion Res., 5, 001, 2010年
  • Development of multiwavelength-range fine-resolution spectrometer for hydrogen emissions and its applicationto large helical device periphery plasmas
    K. Fujii, K. Mizushiri, T. Nishioka, T. Shikama, A. Iwamae, M. Goto, S. Morita,S Kado, K. Sawada, M. Hasuo
    Rev. Sci. Instrum., 81(3), 033106, 2010年WebofScienceリポジトリ電子ジャーナル
  • Alignment creation and deviation from statistical population distribution in hydrogenn = 3 levels observed on MSE spectra of LHD plasma
    A. Iwamae, A. Sakaue, M. Atake, K. Sawada, M. Goto, S. Morita
    Plasma Phys. Control. Fusion, 51, 115004, 2009年
  • Spatial structure of volume recombination in JT-60U detached divertor plasmas
    K. Fujimoto, T. Nakano, H. Kubo, K. Sawada, T. Takizuka, H. Kawashima, K. Shimizu, N. Asakura
    Plasma and Fusion Res., 4, 025, 2009年
  • Simulation of electric quadrupole and magnetic dipole transition efficiencies in optical near fields generated by a subwavelength slit array
    K. Deguchi, M. Okuda, A. Iwamae, H. Nakamura, K. Sawada and M. Hasuo
    J. Phys. Soc. Jpn., 78, 024301, 2009年
  • Modification of tomography technique for two-dimensional spectroscopic measurement in JT-60U divertor plasmas
    K. Fujimoto, T. Nakano, H. Kubo, K. Sawada, T. Takizuka, K. Shimizu, H. Kawashima,N. Asakura
    Plasma and Fusion Res., 2, S1121, 2007年
  • Contribution of hydrogen molecular assisted recombination processes to population of hydrogen atom in divertor simulator MAP-II
    A. Okamoto, S. Kado, K. Sawada, Y. Kuwahara, Y. Iida, S. Tanaka
    J. Nucl. Mater., 363-365, 395-399, 2007年
  • Detailed atomic, molecular and radiation kinetics in current 2D and 3D edge plasmafluid codes
    D. Reiter, V. Kotov, P. Börner, K. Sawada, R.K. Janev, B. Kuppers
    363-365, 649-657, 2007年
  • Surface temperature effects on hydrogen and impurity release from the limiter studied by means of visible and near infrared spectroscopic measurement in TRIAM-1M
    R. Bhattacharyay, H. Zushi, K. Nakashima, T. Shikama, M. Sakamoto, M. Ogawa, K. Nakamura, N. Yoshida, S. Kado, K. Sawada, Y. Hirooka, K. Hanada, K.N. Sato, H. Idei, K. Sasaki, H. Xu, M. Hasegawa, K. Uehara, A. Tsushima, N. Kimura, Y. Nozaki, S. Kawasaki, H. Nakashima, A. Higashijima
    J. Nucl. Mater., 363-365, 938-943, 2007年
  • Simulation of optical near field of a sub-wavelength gold slit array and its electric quadrupole interactionwith 1s excitons in Cu2O
    M. Okuda, K. Deguchi, A. Iwamae, N. Nakamura, K. Sawada, M. Hasuo
    Phys. Stat. Sol., c 3, 3547-3552, 2006年
  • FDTD modeling of a polarization near-field scanning optical microscope
    Sawada, K; Sakai, M; Kohashi, Y; Saiki, T; Nakamura, H
    JOURNAL OF PLASMA PHYSICS, 72, 1019-1023, 2006年WebofScience
  • Iterative numerical method for the inclusion of radiation trapping into a collisional-radiative model
    Sawada, K
    JOURNAL OF PLASMA PHYSICS, 72, 1025-1029, 2006年WebofScience
  • Spectroscopic study of hydrogen particlebehavior in attached and detached divertor plasmas of JT-60U
    H. Kubo, H. Takenaga, K. Sawada, T. Nakano, S.Kobayashi, S.Higashijima, N. Asakura, K. Shimizu
    J. Nucl. Mater., 337-339, 161-165, 2005年
  • Determinationof the hydrogen and helium ion densities in the initial and final stages of a plasma in the Large Helical Device by optical spectroscopy
    Goto, M; Morita, S; Sawada, K; Fujimoto, T; Yamamoto, S; Miyazawa, J; Yamada, H; Toi, K
    PHYSICS OF PLASMAS, 10(5), 1402-1410, 2003年WebofScience
  • FDTD analysis of a near-field optical fiber probe with a double tapered structure
    Sawada, K; Nakamura, H; Kambe, H; Saiki, T
    IEICE Transactions on Electronics, E85C(12), 2055-2058, 2002年WebofScience
  • Effect of initial vibrational excitation of molecular hydrogen on molecular assisted recombination in divertor plasmas
    Sawada, K; Fujimoto, T
    Contributions to Plasma Physics, 42(6-7), 603-607, 2002年WebofScience
  • Relations between the ionization or recombination flux and the emission radiation for hydrogen and helium in plasma
    Goto, M; Sawada, K; Fujimoto, T
    PHYSICS OF PLASMAS, 9(10), 4316-4324, 2002年WebofScience
  • Emission radiation of hydrogen and helium atoms and ions a plasma
    Goto, M; Sawada, K; Fujimoto, T
    Contributions to Plasma Physics, 42(2-4), 212-217, 2002年WebofScience
  • Spatial resolution of near-field scanning optical microscopy with sub-wavelength aperture
    Nakamura, H; Sawada, K; Kambe, H; Saiki, T; Sato, T
    PROGRESS OF THEORETICAL PHYSICS SUPPLEMENT, (138), 173-174, 2000年WebofScience
  • Ultraviolet photoemission studies of valence bands in lead halides
    Itoh, M; Shiokawa, T; Sawada, K; Kamada, M
    Journal of the Physical Society of Japan, 67(6), 2140-2141, 1998年WebofScience電子ジャーナル
  • Phonon broadening of line widths of Auger-free luminescence in wide-gap ionic crystals
    Itoh, M; Sawada, K; Hara, H; Ohno, N; Kamada, M
    JOURNAL OF LUMINESCENCE, 72-4, 762-764, 1997年WebofScience
  • Effective ionization and dissociation rate coefficients of molecular hydrogen in plasma (vol 78, pg 2913, 1995)
    Sawada, K; Fujimoto, T
    JOURNAL OF APPLIED PHYSICS, 80(1), 606-606, 1996年WebofScience
  • EFFECTIVE IONIZATION AND DISSOCIATION RATE COEFFICIENTS OF MOLECULAR-HYDROGEN IN PLASMA
    Sawada, K; Fujimoto, T
    JOURNAL OF APPLIED PHYSICS, 78(5), 2913-2924, 1995年WebofScience

講演・口頭発表等

  • Collisional-radiative model of molecular hydrogen
    Keiji Sawada
    IAEA CRP on atomic and molecular data for state-resolved modelling of hydrogen and helium and their isotopes in fusion plasma, 2016年, IAEA CRP on atomic and molecular data for state-resolved modelling of hydrogen and helium and their isotopes in fusion plasma
  • Revision of Collisional-Radiative Models and Neutral-Transport Code for Hydrogen and Helium Species
    Keiji Sawada
    IAEA first Research Coordination Meeting on Atomic and Molecular Data for State-Resolved Modelling of Hydrogen and Helium and Their Isotopes in Fusion Plasma, 2011年, IAEA first Research Coordination Meeting on Atomic and Molecular Data for State-Resolved Modelling of Hydrogen and Helium and Their Isotopes in Fusion Plasma

担当経験のある科目_授業

  • 解析力学
    信州大学
  • 電磁気学
    信州大学
  • 統計熱力学
    信州大学

所属学協会

  • 日本物理学会
  • プラズマ・核融合学会
  • 応用物理学会

共同研究・競争的資金等の研究課題

  • 核融合プラズマの分光学的研究