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Transverse electron guns for plasma excitation

Date

1982

Authors

Yu, Zengqi, author
Meyer, Jack, author
Rocca, Jorge J., author
Collins, George, author
American Institute of Physics, publisher

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Abstract

We report a plasma gun, which generates on a continuous basis, kilowatt electron beam discharges (e.g., 0.4 A at 4 kV) in an ambient pressure 0.1-1 Torr without differential pumping. Gun design characteristics, operating parameters, and measured beam profiles are given. Electron beam generation on a pulsed basis has also been studied. More than 100 A of beam current has been measured with a Faraday cup biased to - 100 V. A trapped electron beam scheme for achieving efficient deposition of the electron beam energy in a gas medium is described.

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