Generation of a cold, intense relativistic electron beam using a magnetized foilless diode

An annular electron beam with less than 30 mrad of angular velocity spread, a radius of 1 cm, and a current density exceeding 0.4 MA/cm2 has been generated with a magnetized foilless diode. The diode current loss is limited to less than a few percent by careful design of the tapered transition regio...

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Bibliographic Details
Published in:Journal of applied physics 1982-08, Vol.53 (8), p.5408-5413
Main Authors: Sheffield, R L, Montgomery, M D, Parker, J V, Riepe, K B, Singer, S
Format: Article
Language:English
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Summary:An annular electron beam with less than 30 mrad of angular velocity spread, a radius of 1 cm, and a current density exceeding 0.4 MA/cm2 has been generated with a magnetized foilless diode. The diode current loss is limited to less than a few percent by careful design of the tapered transition region connecting a self-magnetically insulated vacuum transmission line to the externally magnetized foilless diode. Details of the transition section design and operating characteristics of the electron beam generator are given.
ISSN:0021-8979
1089-7550
DOI:10.1063/1.331470