Search Results - "Ichimura, Makoto"

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    Wilkinson Power Divider With Complex Isolation Component and Its Miniaturization by Xiaolong Wang, Sakagami, Iwata, Mase, Atsushi, Ichimura, Makoto

    “…By adding a complex isolation component between two 90 ° transmission lines at an arbitrary phase angle from the input terminal, a small Wilkinson power…”
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    Journal Article
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    Study of action of unstable AIC waves on electrons in a tandem mirror plasma from measurement of end loss electrons by SAITO, Teruo, YOKOYAMA, Eiji, TATEMATSU, Yoshinori, ICHIMURA, Makoto, HIGAKI, Hiroyuki, TSUDA, Eisuke, YASUOKA, Teruaki, YATSU, Kiyoshi

    Published in Journal of the Physical Society of Japan (01-08-2003)
    “…An Alfvèn ion cyclotron (AIC) wave spontaneously excited in the central cell of the GAMMA 10 tandem mirror has strong effects on electrons. The end loss…”
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    Journal Article
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    Miniaturized Dual-Band Wilkinson Power Divider With Self-Compensation Structure by Xiaolong Wang, Sakagami, Iwata, Zhewang Ma, Mase, Atsushi, Yoshikawa, Masayuki, Ichimura, Makoto

    “…A miniaturized dual-band Wilkinson power divider with a parallel LC circuit at the midpoints of two coupled-line sections is proposed in this paper. General…”
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    Journal Article
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    Comparison of Dispersion Model of Magneto-Acoustic Cyclotron Instability with Experimental Observation of 3He Ion Cyclotron Emission on JT-60U by Sumida, Shuhei, Shinohara, Kouji, Ikezoe, Ryuya, Ichimura, Makoto, Sakamoto, Mizuki, Hirata, Mafumi, Ide, Shunsuke

    Published in Journal of the Physical Society of Japan (15-12-2017)
    “…The Magneto-acoustic Cyclotron Instability (MCI) is a possible emission mechanism for Ion Cyclotron Emissions (ICEs). A dispersion model of the MCI driven by a…”
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    Journal Article
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    Density fluctuations associated with electromagnetic waves in ion cyclotron range of frequencies by HOJO, H, MASE, A, KATSUMATA, R, INUTAKE, M, ITAKURA, A, ICHIMURA, M

    Published in Japanese Journal of Applied Physics (01-07-1993)
    “…An expression for density fluctuations associated with electromagnetic waves in the ion cyclotron range of frequencies is obtained from the linearized Vlasov…”
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    Journal Article
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    Measurement of Ultrashort-Pulse Cross-Polarization Scattering in a Tandem Mirror by Kogi, Yuichiro, Mase, Atsushi, Hojo, Hitoshi, Itakura, Akiyosi, Ichimura, Makoto, Yatsu, Kiyoshi

    Published in Japanese Journal of Applied Physics (01-08-2001)
    “…Cross-polarization scattering (CPS) diagnostics using ultrashort pulse microwaves is applied to the GAMMA 10 tandem mirror for the measurement of internal…”
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    Journal Article
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    Study of gas recycling in the GAMMA 10 tandem mirror based on numerical model calculations by TSUCHIYA, K, NAKASHIMA, Y, YATSU, K, SHOJI, M, ICHIMURA, M, YAMAGUCHI, N, INUTAKE, M, TAMANO, T

    “…In this paper, we describe a gas recycling model based on atomic and molecular processes. This model assumes that hydrogen molecules cause various reactions…”
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    Journal Article
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    Macroscopic stability control experiments with phased antennas in the GAMMA10 tandem mirror by TANAKA, S, ICHIMURA, M, MOTEGI, S, HOJO, H, MASE, A, ISHII, K, TAMANO, T, YATSU, K, TAKAYAMA, S, INUTAKE, M, FURUKAWA, S, KUMAGAI, A, KANAZAWA, S, NAKAMURA, M, ISHIKAWA, E, SATAKE, C

    Published in Journal of the Physical Society of Japan (01-06-1998)
    “…Validity of averaged minimum-B configuration onMagnetohydrodynamics (MHD) stability of the GAMMA10 tandem mirror arestudied in the ion cyclotron range of…”
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    Journal Article
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    Axial structures of the Alfvén ion cyclotron mode in the GAMMA10 tandem mirror by KUMAGAI, A, ICHIMURA, M, TAMANO, T, YATSU, K, NAKAMURA, M, TANAKA, S, KANAZAWA, S, TAKAYAMA, S, ISHIKAWA, E, SATAKE, C, INUTAKE, M, HOJO, H

    Published in Japanese Journal of Applied Physics (01-11-1997)
    “…Axial structures of the Alfvén ion cyclotron (AIC) mode have been investigated in the GAMMA10 tandem mirror. The AIC mode is a microinstability driven by an…”
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    Journal Article
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    Analysis of the Radial Profile of Ion Temperature in ICRF-Heated GAMMA10 Plasmas Including the Effects of Ion Finite Larmor Radius by Shoji, Mamoru, Nakashima, Yousuke, Yatsu, Kiyoshi, Tsuchiya, Katsuhiko, Fukuchi, Yuusuke, Ichimura, Makoto, Inutake, Masaaki, Tamano, Teruo

    “…This paper describes a modified method of analysis of the charge exchange neutrals for determination of the radial profile of ion temperature including the…”
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    Journal Article
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    Temperature anisotropy measurement using diamagnetic loop array by KATSUMATA, R, INUTAKE, M, ICHIMURA, M, HINO, N, ONDA, H, KATANUMA, I, HOJO, H, MASE, A, MIYOSHI, S

    Published in Japanese Journal of Applied Physics (01-07-1992)
    “…The anisotropy of the ion distribution function in the velocity space is observed in the ion cyclotron range of frequency heating experiments on the tandem…”
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    Journal Article
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    Suppression of Alfvén ion cyclotron instability in a mirror by end plugging by HOJO, H, KATSUMATA, R, ICHIMURA, M, INUTAKE, M

    “…The effect of end plugging of the ion on the Alfvén ion cyclotron instability in a mirror-confined plasma is studied. The dispersion equation in the…”
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    Journal Article
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    EC wave plasma breakdown on GAMMA 10 device by Shidara, Hiroyuki, Nakashima, Yousuke, Imai, Tsuyoshi, Kariya, Tsuyoshi, Minami, Ryutaro, Ichimura, Makoto, Yoshikawa, Masayuki

    Published in Fusion engineering and design (01-10-2011)
    “…A plasma production experiment by using an Electron Cyclotron Resonant Heating (ECRH) system has successfully been carried out on the GAMMA 10 linear device…”
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    Journal Article Conference Proceeding
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    Investigation of a New Dry Surface Decontamination Technology with Low-Pressure Arc Plasma and Its Application to Pipe-Shaped Test Pieces by FURUKAWA, Shizue, KANBE, Hiromi, AMAKAWA, Tadashi, ADACHI, Kazuo, ICHIMURA, Makoto

    Published in Journal of nuclear science and technology (01-10-2009)
    “…We investigated a dry surface decontamination technology using low-pressure arc plasma for radioactive corrosion product films. The low-pressure arc plasma is…”
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    Journal Article
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    Interchange stability criteria for anisotropic central-cell plasmas in the tandem mirror GAMMA 10 by HOJO, H, INUTAKE, M, ICHIMURA, M, KATSUMATA, R, WATANABE, T

    Published in Japanese Journal of Applied Physics (01-05-1993)
    “…Flute interchange stability of anisotropic central-cell plasmas in the tandem mirror GAMMA 10 is studied numerically. The stability criteria on the beta value…”
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    Journal Article
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