NDLI: Diode polarity experiments on a coaxial vircator

Content Provider	IEEE Xplore Digital Library
Author	Woolverton, K. Kristiansen, M. Hatfield, L.L.
Copyright Year	1997
Description	Author affiliation: Dept. of Electr. Eng. & Phys., Texas Tech. Univ., Lubbock, TX, USA (Woolverton, K.)
Abstract	Summary form only given, as follows. A study on the interaction dynamics of a positively and negatively pulsed coaxial vircator is being performed at Texas Tech University. MAGIC, a 2.5D particle-in-cell code, is used to simulate the different geometries. The simulations performed indicate an increase in efficiency by approximately a factor of 2 for the negatively pulsed system compared to the positively pulsed system. Simulations are also performed to better understand the influencing factors of the systems. The paper describes the experimental results which are performed on a coaxial vircator with diode voltages ranging from 400-500 kV at diode currents of 40-50 kA with pulse durations of /spl sim/50 nsec. Results that are given include microwave power, efficiency, spectral content and a possible explanation for the results.
File Size	110354
File Format	PDF
ISBN	0780339908
ISSN	07309244
DOI	10.1109/PLASMA.1997.605006
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1997-05-19
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Diodes Coaxial components Laboratories Physics Solid modeling Geometry Voltage
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Condensed Matter Physics Electrical and Electronic Engineering

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