in English

Publications

2020

  • T. Morita, K. Tomita, K. Sakai, M. Takagi, K. Aihara, M. Edamoto, S. Egashira, T. Higuchi, N. Ishizaka, T. Izumi, S. Kakuchi, T. Kojima, Y. Kuramitsu, S. Matsukiyo, Y. Nakagawa, T. Minami, H. Murakami, Y. Nishioka, M. Ota, T. Sano, S. Sei, K. Sugiyama, S.J. Tanaka, R. Yamazaki, and Y. Sakawa, "Local plasma parameter measurements in colliding laser-produced plasmas for studying magnetic reconnection" , High Energy Density Physics 36, 100754 (2019). https://doi.org/10.1016/j.hedp.2020.100754

2019

  • Naruya Hiroike and Naoji Yamamoto, "Investigation of Physical Phenomena inside Microwave Discharge Neutralizer Using Numerical Analysis" , Frontier of Applied Plasma Technology 12, 7-12 (2019).
  • T Morita, K Nagashima, M Edamoto, K Tomita, T Sano, Y Itadani, R Kumar, M Ota, S Egashira, R Yamazaki, SJ Tanaka, S Tomita, S Tomiya, H Toda, I Miyata, S Kakuchi, S Sei, N Ishizaka, S Matsukiyo, Y Kuramitsu, Y Ohira, M Hoshino, and Y Sakawa, "Anomalous plasma acceleration in colliding high-power laser-produced plasmas" , Physics of Plasmas 26, 090702 (2019). https://doi.org/10.1063/1.5100197
  • 森田太智, 枝本雅史, 山本直嗣, 中島秀紀, "レーザー核融合ロケットの原理実証研究" , レーザー研究 47, 548-554 (2019). https://ci.nii.ac.jp/naid/40022025748
  • Naoji Yamamoto, Taichi Morita, Yasushi Ohkawa, Masakatsu Nakano and Ikkoh Funak, "Ion Thruster Operation with Carbon Nanotube Field Emission Cathode" , Journal of Propulsion and Power 35, 490-493 (2019). https://doi.org/10.2514/1.B37214

2018

  • Masafumi Edamoto, Taichi Morita, Naoya Saito, Yutaro Itadani, Satoshi Miura, Shinsuke Fujioka, Hideki Nakashima, and Naoji Yamamoto, "Portable and noise-tolerant magnetic field generation system" , Review of Scientific Instruments 89, 094706 (2018). https://doi.org/10.1063/1.5049217
  • Naoya Saito, Naoji Yamamoto, Taichi Morita, Masafumi Edamoto, Hideki Nakashima, Shinsuke Fujioka, Akifumi Yogo, Hiroaki Nishimura, Atsushi Sunahara, Yoshitaka Mori, Tomoyuki Johzaki, "Experimental demonstration of ion extraction from magnetic thrust chamber for laser fusion rocket" , Japanese Journal of Applied Physics 57, 050303 (2018). https://doi.org/10.7567/JJAP.57.050303
  • Yusuke Egawa, Shoma Hamada, and Hisahiro Einaga, "Contribution of catalytic performance of CeO2 in nonthermal plasma chemical reaction" , Evergreen 5, 34-37 (2018). https://doi.org/10.5109/1957498
  • A. Yousefian and N. Yamamoto, "3D finite difference time domain simulation of microwave propagation in a coaxial cable" , Evergreen 5, 1-11 (2018). https://doi.org/10.5109/1957495
  • Yutaro Itadani, Taichi Morita, Naoya Saito, Masahumi Edamoto, Tomihiko Kojima, Mariko Takagi, Sinsuke Fujioka, Akihumi Yogo, Hiroaki Nishimura, Hideo Nagatomo, Atushi Sunahara, Yoshitaka Mori, Tomoyuki Johzaki, Hideki Nakashima, Naoji Yamamoto, "Thomson scattering measurement of laser-produced plasma in a magnetic thrust chamber" , Plasma and Fusion Research 13, 1306016 (2018). https://doi.org/10.1585/PFR.13.1306016
  • Ippei Takesue, Yutaro Kawahara, Kensuke Iijima, Kouichi Ushio, Naoji Yamamoto, Taichi Morita, Masakatsu Nakano, Yasushi Ohkawa, Ikkoh Funaki, "Development of Variable Time-Averaged Thrust System by Controlling Duty Ratio of Ion Beam Extraction in Ion Thrusters" , Transactions of The Japan Society for Aeronautical and Space Sciences, Aerospace Technology Japan 16, 388-391 (2018). https://doi.org/10.2322/tastj.16.388

2017

  • I. Dey, N. Yamamoto, and H. Nakashima, "Effect of orifice diameter on the performance of a miniature microwave neutralizer" , Transactions of the Japan Society for Aeronautical and Space Sciences 60, 259-262 (2017). https://doi.org/10.2322/tjsass.60.259
  • Masataka Iwamoto, Naoji Yamamoto, Taichi Morita, Hideki Nakashima, Kentaro Tomita, Kiichiro Uchino, "Rayleigh Scattering Measurement of Neutral Atom Number Density Downstream of a Hall Thruster under Cold Flow Conditions" , Transactions of the Japan Society for Aeronautical and Space Sciences 60, 327-330 (2017). https://doi.org/10.2322/tjsass.60.327
  • 長野公勇, 森田太智, 山本直嗣, 窪田健一, 藤井剛, 杵淵紀世志, "200W級ホールスラスタの開発" , Applied Plasma Science 25, 85-88 (2017). https://doi.org/10.34377/aps.25.2_85
  • Taichi Morita, Masafumi Edamoto, Satoshi Miura, Atsushi Sunahara, Naoya Saito, Yutaro Itadani, Tomihiko Kojima, Yoshitaka Mori, Tomoyuki Johzaki, Yoshihiro Kajimura, Shinsuke Fujioka, Akifumi Yogo, Hiroaki Nishimura, Hideki Nakashima, and Naoji Yamamoto, "Control of unsteady laser-produced plasma-flow with a multiple-coil magnetic nozzle" , Scientific Reports 7, 8910 (2017). https://doi.org/10.1038/s41598-017-09273-3
  • T Morita, Y Sakawa, Y Kuramitsu, S Dono, H Aoki, H Tanji, JN Waugh, CD Gregory, M Koenig, NC Woolsey, H Takabe, "Characterization of electrostatic shock in laser-produced optically-thin plasma flows using optical diagnostics" , Physics of Plasmas 24, 072701 (2017). https://doi.org/10.1063/1.4990058
  • Naoji Yamamoto, Kohei Takase, Yuya Hirano, Kimiya Komurasaki, Akira Kakami, Ryudo Tsukizaki, Satoshi Hosoda, Hitoshi Kuninaka, Shigeru Yokota, "Thrust Performance in a 5 kW Class Anode Layer Type Hall Thruster" , Transactions of the Japan Society for Aeronautical and Space Sciences 14, Pb_183-Pb_187 (2017). http://doi.org/10.2322/tastj.14.Pb_183

2016

  • Koichi Ushio, Yuji Toyoda, Naoji Yamamoto, Taichi Morita, Hideki Nakashima, "Development of a Miniature Microwave Discharge Thruster" , Transactions of the Japan Society for Aeronautical and Space Sciences 14, pb_141-pb_147 (2016). http://doi.org/10.2322/tastj.14.Pb_141
  • A. Yamaguchi, A. Kibe, N. Yamamoto, T. Morita, H. Nakashima and M. Nakano, Erosion Rate Measurement in Ion Thrusters Using Cavity Ring-Down Spectroscopy Technique, Journal of Instrumentation, Vol. 11, (2016) C01079.http://dx.doi.org/10.1088/1748-0221/11/01/C01079
  • R. Kawashima, T. Morita, N. Yamamoto, N. Saito, S. Fujioka, H. Nishimura, H. Matsukuma, A. Sunahara, Y. Mori, T. Johzaki and H. Nakashima, The Measurement of Plasma Structure in a Magnetic Thrust Chamber, Plasma and Fusion Research, Vol. 11, (2016) 3406012. http://dx.doi.org/10.1585/pfr.11.3406012
  • 淵上太貴 、森田太智,山本直嗣, "ホールスラスタにおけるニューラルネットワークを用いた推力の 再構成" , プラズマ応用科学 24, 84-88 (2016). https://doi.org/10.1088/1742-6596/717/1/012071
  • T. Morita, N. L. Kugland, W. Wan, R. Crowston, R. P. Drake, F. Fiuza, G. Gregori, C. Huntington, T. Ishikawa, M. Koenig, C. Kuranz, M. C. Levy, D. Martinez, J. Meinecke, F. Miniati, C. D. Murphy, A. Pelka, C. Plechaty, R. Presura, N. Quiros, B. A. Remington, B. Reville, J. S. Ross, D. D. Ryutov, Y. Sakawa, L. Steele, H. Takabe, Y. Yamaura, N. Woolsey, H.-S. Park, "Proton imaging of an electrostatic field structure formed in laser–produced counter–streaming plasmas" , Journal of Physics: Conference Series 688, 012071 (2016). https://doi.org/10.1088/1742-6596/688/1/012071
  • T Morita, N Yamamoto, R Kawashima, N Saito, M Edamoto, S Fujioka, Y Itadani, T Johzaki, S Miura, Y Mori, H Nishimura, A Sunahara, A Yogo, H Nakashima, "Plasma structure and energy dependence in a magnetic thrust chamber system" , Journal of Physics: Conference Series 717, 012071 (2016). https://doi.org/10.1088/1742-6596/717/1/012071
  • 森田太智, "講座 はじめてみよう!高エネルギー密度プラズマ計測 レーザー宇宙プラズマ計測" , Journal of Plasma Fusion Research 92, 297-303 (2016). http://www.jspf.or.jp/Journal/PDF_JSPF/jspf2016_04/jspf2016_04-297.pdf
  • 森田太智, 坂和洋一, 蔵満康浩, 高部英明, "小特集 宇宙と実験室の無衝突衝撃波-粒子加速と磁場生成・増幅- 高出力レーザーを用いた無衝突衝撃波と磁場生成・増幅実験, 静電無衝突衝撃波生成実験" , Journal of Plasma Fusion Research 92, 98-101 (2016). http://www.jspf.or.jp/Journal/PDF_JSPF/jspf2016_02/jspf2016_02-98.pdf
  • N. Yamamoto, Y. Maeda, H. Nakashima, H. Watanabe, I. Funaki, Investigation of Erosion and Deposition in a Microwave Discharge Neutralizer, Transactions of the Japan Society for Aeronautical and Space Sciences, Vol.59, No.2, (2016) pp.100-103.http://doi.org/10.2322/tjsass.59.100

2015

  • N. Saito, H. Tominaga, R. Kawashima, T.Morita, N. Yamamoto, H. Nakashima, Acceleration of Miniature Targets by Kilo-Tesla Magnetic Field, Transactions of the Japan Society for Aeronautical and Space Sciences, Aerospace Technology Japan, Vol.13(2015) pp.17-21.

    http://doi.org/10.2322/tastj.13.17

  • T. Tamida, H. Osuga, N. Yamamoto, H. Takegahara,, J. Aoyagi, K. Kuriki, Performance Improvement of Hall Thrusters Using a Pulse-Synchronous Driver System, Journal of Propulsion and Power, Vol. 31, No. 3 (2015), pp. 956-961. doi: 10.2514/1.B35273
  • K. Tanaka, R. Kawashima, N. Yamamoto, T. Morita, H. Nakashima, Diagnostics of Fireball by Discharge on the Surface of an Electrolyte Floating Particulates, 2. 5, Frontier of Applied Plasma Technology, Vol. 8,1 (2015), pp.47-48.
  • N. Yamamoto, H. Takegahara, J. Aoyagi, K. Kuriki, T. Tamida, H. Osuga, Development of a novel power processing unit for Hall thrusters, IEEE Transactions on Plasma Science, Vol. 41,1 (2015), pp.158-164. 10.1109/TPS.2014.2370066

2014

  • I. Dey, Y. Toyoda, N. Yamamoto, H. Nakashima, Experimental investigation of microwave interaction with magnetoplasma in miniature multipolar configuration using impedance measurements, Physics of Plasmas, Vol. 21,9(2014), 093502.http://dx.doi.org/10.1063/1.4894476
  • Naoji YAMAMOTO, Yoshiaki HIRAOKA, Hideki NAKASHIMA, Development of a Miniature Microwave Discharge Neutralizer for Miniature Ion Engines, Vol. 62, 4 (2014), pp.123-128. http://doi.org/10.2322/jjsass.62.123
  • B. C. Lee, W. Huang, L. Tao, N. Yamamoto, A. D. Gallimore, A. P. Yalin, A cavity ring-down spectroscopy sensor for real-time Hall thruster erosion measurements, Review of Scientific Instruments,Vol.85 (2014), 053111. doi: 10.1063/1.4879135.
  • I. Dey, Y. Toyoda, K. Hirano, N. Yamamoto, and H. Nakashima, Development of a Low Power Multipole Confined Microwave Plasma Ion Thruster, Transactions of the Japan Society for Aeronautical and Space Sciences, Aerospace Technology Japan,Vol.12, ists29,(2014), Pb_7-Pb_12.http://doi.org/10.2322/tastj.12.Pb_7
  • A. Maeno, T. Hinaga, N. Yamamoto, A. Sunahara, S. Fujioka, and H. Nakashima, Effect of Magnetic Field Strength on a Magnetic Thrust Chamber System, Journal of Propulsion and Power, Vol.30,1,(2014), pp.54-61. doi: 10.2514/1.B34911

2013

  • 中村祐輔, 山本直嗣, 中島秀紀, 中野正勝,イオン加速グリッド損耗解析におけるメッシュサイズおよび時間幅の検討,プラズマ応用科学,Vol.20, 1, (2013),pp.33-38.
  • K. Hirata, K. Furumoto, N. Yamamoto, T. Tanabe, Application of pulsed laser irradiation for removal of hydrogen retained in tungsten, Journal of Nuclear Materials, Vol. 443, Issue 1-3 (2013), pp. 298-301
  • K. Furumoto, T. Tanabe, N. Yamamoto, T. Daio, S. Matsumura, K. Yasuda, Development of novel optical fiber system for cathodoluminescence detection in high voltage transmission electron microscope, Materials Transactions, Vol. 54, Issue 5, (2013), Pages 854-856.
  • A. Maeno, N. Yamamoto, S. Fujioka, Y. Mori, A. Sunahara, T. Johzaki, and H. Nakashima, Analysis of Laser Wavelength and Energy Dependences of the Impulse in a Magnetic Thrust Chamber System for a Laser Fusion Rocket, Transactions of the Japan Society for Aeronautical and Space Sciences,Vol.56,3 (2013), pp.170-172.