<RESEARCH REPORT>Time-Resolved Spectroscopic Measurement of Anode Plasma in Magnetically-Insulated Diode
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概要
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A new diagnostic technique has been developed for the time-resolved spectroscopic measurement of anode plasma in a single-current-feed magnetically-insulated ion diode. From the measurement of Stark broadening of H_α line of hydrogen, we have estimated the electron density to be 4 ∿ 5×10^<16>cm^<-3> using the pulse-power generator, "ETIGO-I", typically operated with diode voltage=550 and 600kV, diode current=36 and 53kA, and pulse width ∿ 90ns (FWHM of diode current). Assuming local thermodynamic equilibrium, we have estimated the electron temperature to be 1.9 ∿ 2.4 eV from the measurement of light intensity ratio of successive ionization stages of carbon. The expansion velocity of the anode plasma has been found to be 4 ∿ 4.5cm/μs.
- 核融合科学研究所の論文
著者
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Yatsui Kiyoshi
Laboratory Of Beam Technology And Department Of Electrical Engineering Nagaoka University Of Technol
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Masugata Katsumi
Laboratory Of Beam Technology And Department Of Electrical Engineering Nagaoka University Of Technol
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Masugata Katsumi
Laboratory Of Beam Technology The Technological University Of Nagaoka
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Araki Yuhzo
Laboratory Of Beam Technology The Technological University Of Nagaoka
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Kawano Yasunori
Laboratory Of Beam Technology The Technological University Of Nagaoka
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YUMINO Norihide
Laboratory of Beam Technology, The Technological University of Nagaoka
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Masugata Katsumi
Laboratory Of Beam Technology And Department Of Electrical Engineering
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Yumino Norihide
Laboratory Of Beam Technology The Technological University Of Nagaoka
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