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Researcher Information

last modified：2024/03/25

Associate Professor　ANDO Ritoku

Mail Laboratory Website

Faculty, Affiliation

Faculty of Mathematics and Physics, Institute of Science and Engineering

College and School Educational Field

Division of Mathematical and Physical Science, Graduate School of Natural Science and Technology
Division of Mathematical and Physical Sciences, Graduate School of Natural Science and Technology
School of Mathematics and Physics, College of Science and Engineering

Laboratory

Lab. of Plasma Physics　TEL:076-264-5670　FAX:076-264-5739

Academic Background

【Academic background(Doctoral/Master's Degree)】
Nagoya University　Doctor　Graduate School, Division of Natural Science　1988　Completed
【Academic background(Bachelor's Degree)】
Shimane University　1983
【Degree】
Dr of Science

Career

Year & Month of Birth

1961/03

Academic Society



Award

Specialities

Plasma science、

Speciality Keywords

Research on basic plasma physics

Research Themes

Experimental study of intense electron beam and plasma interaction.

Experimental study on an intense microwave generation and its applications.

Experimental studies of polyphase ac discharge.

Books

Papers

  • 　Dependence of output power on cavity length in a gyrotron backward wave oscillator　INTERNATIONAL JOURNAL OF INFRARED AND MILLIMETER WAVES　21　1441-1448　2000
  • 　Energy enhancement in the two-stage autoacceleration scheme　IEEE TRANSACTIONS ON PLASMA SCIENCE　28　2275-2277　2000
  • 　Four-stage autoacceleration for a sub-nanosecond intense relativistic electron beam　IEEE TRANSACTIONS ON PLASMA SCIENCE　28　1648-1652　2000
  • 　Generation of an Intense electron beam with a sub-nanosecond duration using multi-stage autoacceleration　Jpn. J. Appl. Phys.　40　944-948　2001
  • 　Instabilities Driven by an Intense Beam in a Plasma Filled Dielectric Lined Waveguide Immersed in a Finite Axial Magnetic Field　INTERNATIONAL JOURNAL OF INFRARED AND MILLIMETER WAVES　22　8　1147-1162　2001

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  • 　Electron beam probing of strong Langmuir fields in an intense beam-plasma system　IEEE TRANSACTIONS ON PLASMA SCIENCE　27　1545-1547　1999
  • 　Gyrotron backward wave oscillator experiments with a relativistic electron beam using an X-band rectangular waveguid　INTERNATIONAL JOURNAL OF INFRARED AND MILLIMETER WAVES　19　10　1317-1324　1998
  • 　Measurements of broad-band millimeter-wave radiation from an IREB-plasma interaction system　IEEE TRANSACTIONS ON PLASMA SCIENCE　27　682-687　1999
  • 　Multistage automodulation using decreasing length cavities.　IEEE TRANSACTIONS ON PLASMA SCIENCE　31　2　297-299　2003/04
  • 　The dependence of microwave radiation from a beam-driven turbulent plasma on the beam-to-plasma density ratio　IEEE TRANSACTIONS ON PLASMA SCIENCE　vol. 30　no. 3,pp　 1203-1210　2002/06
  • 　2.5-D analysis of intense relativistic electron beam propagation in an unmaginetized plasma　Research Report NIFS-PROC-50　52-60　2001
  • 　Two-stage autoacceleration using decreasing length cavities　IEEE TRANSACTIONS ON PLASMA SCIENCE　27　1609-1610　1999
  • 　Time evolution of beam energy distribution and perpendicular velocity scattering due to strong Langmuir turbulence　JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN　67　1273-1280　1998
  • 　Excitation of oscillations with a broad frequency spectrum in the interaction of a high-density relativistic electron beam with a plasma　PLASMA PHYSICS REPORTS　23　964-970　1997
  • 　Beam Modulation in a Strong Beam-Turbulent Plasma and its Effect on Broadband mm Radiatio　Research Report NIFS-PROC-42　73-80　1999
  • 　Effect of beam modulation on a broadband mm radiation from a strong beam-turbulent plasma　Proc. 12th Int. Conf. High-Power Particles Beams　2　389-392　1999
  • 　Four-Stage Autoacceleration of an Intense Relativistic Electron Beam　Research Report NIFS-PROC-42　81-90　1999
  • 　Generation of an Intense electron beam with a sub-nanosecond duration using multi-stage autoacceleration　Proc. 13th Int. Conf. High-Power Particles Beams, (Nagaoka Japan, 2000)　291-294　2001
  • 　Instabilities driven by an intense beam in a plasma-filled dielectric-lined waveguide immersed in a finite axial magnetic field　Proc. 21st Int. Free Electron Laser conf.　2　39-40　2000
  • 　Linear analysis of instabilities in a plasma-filled dielectric-lined circular waveguide immersed in a finite axial magnetic field　Proc. 12th Int. Conf. High-Power Particles Beams　2　816-819　1999
  • 　Measurement of IREB-driven strong Langmuir field using electron beam probing technique　Proc. 13th Int. Conf. High-Power Particles Beams　893-896　2001
  • 　Measurement of polarization of atomic helium lines due to strong caviton fields caused by IREB-plasma interactions　3rd US-Japan Workshop on Plasma Polarization Spectroscopy　-　-　-　2001
  • 　Measurement of spatial distribution of the nonlinear collapsing wave packets by an electron beam shadowgraph　Research Report NIFS-PROC-50　163-172　2001
  • 　Measurement of strong Langmuir turbulence fields using an electron beam probe　Research Report NIFS-PROC-39　37-42　1998
  • 　Microwave radiation from IREB-plasma interaction in a dielectric-lined waveguide immersed in a finite axial magnetic field　Proc. 13th Int. Conf. High-Power Particles Beams, (Nagaoka Japan, 2000)　746-749　2001
  • 　Broadband millimeter-wave radiation from a beam driven strong turbulence　Research Report NIFS-PROC-36　140-149　1997
  • 　Revisit to current multiplication due to intense relativistic beam-plasma interaction　Proc. 13th Int. Conf. High-Power Particles Beams　865-868　2001
  • 　Two-stage autoacceleration of an intense relativistic electron beam using doubled second stage　Research Report NIFS-PROC-42　211-219　2000
  • 　5 GHz superradiance using intense electron beams with modified energy waveforms　R. Nakajima, A. Osawa, T. Kurihara, R. Ando, K. Kamada and N. S. Ginzburg　NIFS-PROC-64　 79-85　2006
  • 　Electron beam shadowgraph for the study of the strong turbulent plasma.　Journal of \　7　4　182-186　2002
  • 　Relation between beam modulation and millimeter-wave radiation from a strong beam-turbulent plasma　Research Report NIFS-PROC-39　43-52　1998
  • 　Measurement of strong Langumuir turbulence fields using an electron beam probe　Proc. 12th Int. Conf. High-Power Particles Beams　1　361-364　1999
  • 　Two-stage autoacceleration of an Intense relativistic electron beam　Research Report NIFS-PROC-39　53-62　1998

Conference Presentations

  • Current-Voltage characteristics of the multi-phase glow discharge and equivalent circuit.(conference：2021 annual (76th) meeting of JPS)(2021/03/15)
  • Current-Voltage characteristics of the multi-phase glow discharge and zero point shift.(conference：Annual Meeting of Hokuriku Branch of Japan Physical Society)(2020/12/05)
  • Distortion of voltage waveform of multi-phase AC glow discharge.(conference：Annual Meeting of Hokuriku Branch of Japan Physical Society)(2020/12/05)
  • Research on equivalent circuit of the multi-phase AC glow discharge.(conference：2020 annual (75th) meeting of JPS)(2020/03/17)

Others

  • 　Observation of kinetic energy of injected electron beam and electrostatic potential distribution in the cusp magnetic field　Ritoku ANDO, Haruki KOYANO, Shinya TSUKAHARA, Takatoshi TAZAWA, Kento NAKADA, Sugiya SATO, Kazuhiro AKIMOTO　Proceedings of 2016 Symposium on Laboratory Experiment for Space Science　2017/02/28
  • 　A consideration on the p lasma production in a biconic c usp field by electron beam injection　Proceedings of 2015 Symposium on Laboratory Experiment for Space Science　2016/02/23
  • 　Development of experimental device for research of plasma wave in the beam-plasma system　A-p5　2012/12/01
  • 　Development of experimental device for research of self trapping and nonlinear behavior of plasma waves　24p164-B　2011/11/24
  • 　A Short Guide to Langmuir Turbulence: Theory and Experiment　Vol. 81　No. 2,pp　 94-104　2005/02

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  • 　S-band Superradiance in Slow Wave Structure　K. Kamada, K. Ymamoto, R. Nakajima, R. Ando, I. V. Zotova**, R. M. Rozental*, A. S. Sergeev, N .S. Ginzburg　1　 185-190　2006
  • 　Demonstrations of physics developed by undergraduate students as introductory experimental physics　K. Kamada, K. Matsumoto, S. Abe, M. Fujitake, R. Ando and M. Sato
  • 　Enhancement of Perpendicular Velocity Component of An Intense Relativistic Electron Beam Using Magnetic Cusp Field　A. Osawa, N. Tomisawa, R. Ando and K. Kamada　NIFS-PROC-61　126-131　2005

Arts and Fieldwork

Patent

Theme to the desired joint research

Grant-in-Aid for Scientific Research

○「「ギガワット級・短パルス・マイクロ波」の輸送とプラズマ生成への応用」(2005-)　
○「大強度電子ビーム・プラズマ相互作用後の残留強静電場の電子ビームプローブによる測定」(1999-)　
○「大強度相対論的電子ビームによって生じるラングミュア乱流の可視化」(1995-)　

Competitive research funding,Contribution

Collaborative research,Consignment study

Classes (Bachelors)

○Fundamental Physics 2(2017)
○Experiments in Fundamental Physics(2017)
○Presentation and Debate (Freshman Seminar II)(2017)
○Fundamental Physics 2(2017)
○Physics Experiments 1(2017)
○Physics Experiments 2(2017)
○Freshman Seminar I(2017)
○Plasma Physics(2017)
○Presentation and Debate (Freshman Seminar II)(2017)
○Plasma Physics(2016)
○Physics Experiments 2(2016)
○Physics Experiments 1(2016)
○Experiments in Fundamental Physics(2016)

Classes (Graduate Schools)

○Research Work B(2017)
○Physics of Plasma Waves(2017)
○Physics of Plasma Waves(2017)
○Physics of Plasma Waves(2017)
○Physics of Plasma Waves(2017)
○Seminar B(2017)
○Plasma Physics a(2017)
○Plasma Physics b(2017)
○Introduction to Plasma and Astrophysics b(2017)
○Exercise B(2017)
○Introduction to Plasma and Astrophysics a(2017)
○Plasma Physics a(2016)
○Seminar B(2016)
○Introduction to Plasma and Astrophysics b(2016)
○Introduction to Plasma and Astrophysics a(2016)
○Exercise B(2016)
○Research Work B(2016)
○Plasma Physics b(2016)
○Physics of Plasma Waves(2016)

International Project

International Students

Lecture themes

Others (Social Activities)

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