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Impedance control using electron beam diode in intense pulsed-power generator

Published online by Cambridge University Press:  18 March 2015

Ryota Hayashi ,
Tomoaki Ito ,
Fumihiro Tamura ,
Takahiro Kudo ,
Naoto Takakura ,
Kenji Kashine ,
Kazumasa Takahashi ,
Toru Sasaki ,
Takashi Kikuchi  and
Nob Harada
...Show all authors
Ryota Hayashi*
Affiliation:
Department of Energy and Environment Science, Nagaoka University of Technology, Nagaoka, Japan
Tomoaki Ito
Affiliation:
Department of Electrical Engineering, Nagaoka University of Technology, Nagaoka, Japan
Fumihiro Tamura
Affiliation:
Department of Electrical Engineering, Nagaoka University of Technology, Nagaoka, Japan
Takahiro Kudo
Affiliation:
Department of Electrical Engineering, Nagaoka University of Technology, Nagaoka, Japan
Naoto Takakura
Affiliation:
Department of Electrical Engineering, Nagaoka University of Technology, Nagaoka, Japan
Kenji Kashine
Affiliation:
Department of Electrical and Electronic Engineering, National Institute of Technology, Kagoshima College, Kirishima, Japan
Kazumasa Takahashi
Affiliation:
Department of Electrical Engineering, Nagaoka University of Technology, Nagaoka, Japan
Toru Sasaki
Affiliation:
Department of Electrical Engineering, Nagaoka University of Technology, Nagaoka, Japan
Takashi Kikuchi
Affiliation:
Department of Electrical Engineering, Nagaoka University of Technology, Nagaoka, Japan Department of Nuclear System Safety Engineering, Nagaoka University of Technology, Nagaoka, Japan
Nob Harada
Affiliation:
Department of Electrical Engineering, Nagaoka University of Technology, Nagaoka, Japan
Weihua Jiang
Affiliation:
Extreme Energy-Density Research Institute, Nagaoka University of Technology, Japan
Akira Tokuchi
Affiliation:
Extreme Energy-Density Research Institute, Nagaoka University of Technology, Japan Pulsed Power Japan Laboratory Ltd., Kusatsu, Japan
*
Address correspondence and reprint requests to: Ryota Hayashi, Nagaoka University of Technology, Nagaoka, 940-2188, Japan. E-mail: r_hayashi@stn.nagaokaut.ac.jp
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Abstract

To control an input energy for a load, an impedance control with a gap distance of an electron beam diode was studied using an intense pulsed-power generator. The output current of the pulsed-power generator as a function of the gap distance of electron beam diode was measured. It indicated that the behaviors of the experimentally obtained peak current and the theoretically obtained space-charge limited current were found to decrease with an increase in the gap distance. The input energy for the load was estimated from the output current, which decreased with an increase in the gap distance. It also revealed the space-charge limited current suppresses the input energy for the load with a decade.

Keywords

Electron beam diodeInertial confinement fusionImpedance controlPulsed-power generatorWarm dense matter
Type
Research Article
Information
Laser and Particle Beams , Volume 33 , Issue 2 , June 2015 , pp. 163 - 167
Copyright
Copyright © Cambridge University Press 2015 

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