Search Results - "Itakura, Akiyosi"

Application of Wavelet Analysis to Plasma Fluctuation Study on GAMMA 10 by G. Bruskin, Leonid, Atsushi Mase, Atsushi Mase, Shigeyuki Kubota, Shigeyuki Kubota, Tokihiko Tokuzawa, Tokihiko Tokuzawa, Naoyuki Oyama, Naoyuki Oyama, Akiyosi Itakura, Akiyosi Itakura, Teruo Tamano, Teruo Tamano

“…A time-frequency analysis of plasma turbulence is performed for the GAMMA10 tandem mirror plasma. The method is based on the decomposition of the reflectometer…”
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Wavelet application for reflectometry of plasma density profiles by BRUSKIN, L. G, MASE, A, TOKUZAWA, T, OYAMA, N, ITAKURA, A, TAMANO, T

“…A new method of plasma density profile reconstruction in microwave reflectometry is proposed and implemented on an ultra-fast swept broadband reflectometer of…”
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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

“…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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Measurement of Ultrashort-Pulse Cross-Polarization Scattering in a Tandem Mirror by Kogi, Yuichiro, Mase, Atsushi, Hojo, Hitoshi, Itakura, Akiyosi, Ichimura, Makoto, Yatsu, Kiyoshi

“…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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New Type of End-Loss Energy Component Analyzer and Velocity Distribution Function of End-Loss Ions in Tandem Mirror by Kameo Ishii, Kameo Ishii, Toshiaki Tanaka, Toshiaki Tanaka, Toshitaka Nakada, Toshitaka Nakada, Takehiro Katori, Takehiro Katori, Akira Abe, Akira Abe, Toshiki Takahashi, Toshiki Takahashi, Isao Katanuma, Isao Katanuma, Akiyosi Itakura, Akiyosi Itakura, Kiyoshi Yatsu, Kiyoshi Yatsu, Teruo Tamano, Teruo Tamano

“…A new type of end-loss energy component analyzer (ELECA) has been developed in order to investigate ion confinement of the tandem mirror. The essential…”
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Development of an Ultrashort-Pulse Reflectometer for Density Profile Measurements on GAMMA 10 by Jr, Shigeyuki Kubota

“…An ultrashort-pulse reflectometer is under development for electron density profile and fluctuation measurements on the GAMMA 10 tandem mirror. At the heart of…”
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Ultrafast microwave reflectometer for density profile measurements on GAMMA 10 by TOKUZAWA, T, MASE, A, OYAMA, N, ITO, Y, ITAKURA, A, TAMANO, T

“…A 12-18 GHz, broad-band reflectometer system has been applied to the central cell of the GAMMA 10 tandem mirror. A fast-sweep hyperabrupt varactor-tuned…”
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Initial Measurements from an Ultrashort-Pulse Reflectometer on GAMMA 10 by Kubota, Shigeyuki, Onuma, Tsuyoshi, Katoh, Masayuki, Mase, Atsushi, Tokuzawa, Tokihiko, Oyama, Naoyuki, Itakura, Akiyosi, Hojo, Hitoshi, Bruskin, Leonid G., Tamano, Teruo, Yatsu, Kiyoshi, Domier, Calvin W., Jr, andNeville C. Luhmann

“…Initial results from an ultrashort-pulse reflectometer on the GAMMA 10 tandem mirror are presented. The diagnostic uses an impulse generator (8 V, 65 ps…”
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Cross-polarization scattering from low-frequency waves in a tandem mirror plasma by KOGI, Y, MASE, A, BRUSKIN, L. G, OYAMA, N, TOKUZAWA, T, ITAKURA, A, HOJO, H, TAMANO, T

“…Cross-polarization scattering (CPS) diagnostic was applied to the central-cell plasma of the GAMMA 10 tandem mirror in order to study electromagnetic plasma…”
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Effect of resonant electrons on ion temperature gradient mode in anisotropic plasma by HOJO, H, KATSURAGAWA, N, NAKASHIMA, Y, SHOJI, M, MASE, A, ITAKURA, A, ICHIMURA, M, INUTAKE, M

“…The effect of resonant electrons on the ion temperature gradient mode in an anisotropic plasma is studied. From the analysis of the growth rate and the…”
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Cross-polarization scattering from electromagnetic plasma waves in ion cyclotron range of frequencies by MASE, A, BRUSKIN, L. G, KOBAYASHI, M, OYAMA, N, TOKUZAWA, T, ITAKURA, A, HOJO, H, ICHIMURA, M, TAMANO, T

“…The cross-polarization scattering diagnostic system is applied to the central-cell plasma of the GAMMA 10 tandem mirror in the study of electromagnetic plasma…”
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Frequency Shift of an Electron Plasma Oscillation in a Modulated Beam-Plasma System by Itakura, Akiyosi

“…A spontaneous electron plasma oscillation in a beam-plasma system can be suppressed by modulating the beam density. In this case small shift of frequency of…”
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Millimeter-wave phase-imaging interferometry using two-dimensional detector array by OYAMA, N, MASE, A, TOKUZAWA, T, ITO, Y, ITAKURA, A, TAMANO, T, HARADA, Y, MIZUNO, K

“…A millimeter-wave two-dimensional detector array has been newly developed for application to a phase-imaging interferometer installed in the GAMMA10 tandem…”
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Low-frequency waves during GAMMA 10 end-plate biasing using microwave reflectometry by TOKUZAWA, T, MASE, A, ITAKURA, A, INUTAKE, M, ISHII, K, TAMANO, T

“…The effect of the ambipolar potential on the stability of low-frequency waves has been studied by applying a bias voltage to the end plates of a tandem mirror…”
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Application of millimeter-wave phase-imaging interferometry to the tandem mirror GAMMA 10 by HATTORI, K, MASE, A, MIZUNO, K, ITAKURA, A, INUTAKE, M, MIYOSHI, S

“…A millimeter-wave phase-imaging interferometer has been applied to the tandem mirror GAMMA 10. The interferometer consists of a 70 GHz klystron oscillator and…”
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Measurement of electron cyclotron emission from the tandem mirror GAMMA 10 by MASE, A, KOSEKI, T, ITAKURA, A, HIGAKI, N, JEONG, J. H, CHO, T, ISHII, K, MIYOSHI, S

“…Electron cyclotron emission (ECE) measurements on the tandem mirror GAMMA 10 are reported. The fifth-harmonic ECE in the thermal barrier region was measured in…”
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Sheath Resonance in a Magnetized Sheet Plasma by Uehara, Kazuya, Itakura, Akiyosi, Hagiwara, Shigeo, Kojima, Shoji

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Nonlinear Behaviour of Plasma Wave in Cesium Plasma by Hagiwara, Shigeo, Itakura, Akiyosi, Nagashima, Takashi

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Simultaneous Suppression of an Electron Plasma Wave and an Ion Acoustic Wave by Beam Modulation by Tsuru, Toshisuke, Itakura, Akiyosi, Kojima, Shoji

“…An electron plasma wave of an axial mode and an ion acoustic wave of a radial mode were spontaneously excited in a beam-plasma system. By applying the density…”
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Temporal Growth of a Plasma Oscillation by Itakura, Akiyosi, Tsuru, Toshisuke, Nakamura, Yoshiharu, Kojima, Shoji

“…A plasma oscillation excited due to beam plasma interaction forms sometimes a standing wave between electrodes. The oscillation is suppressed by modulating the…”
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