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Forevacuum plasma source of continuous electron beam
Aleksandr Klimov, Ilya Bakeev, Efim Oks, Aleksey Zenin
Journal:

Laser and Particle Beams / Volume 37 / Issue 2 / June 2019

Published online by Cambridge University Press:

30 April 2019, pp. 203-208
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We describe here the design, main parameters, and characteristics of a forevacuum-pressure plasma-cathode electron source based on a hollow-cathode discharge. The source generates a continuous focused electron beam with energy up to 30 keV and current up to 300 mA at a pressure of 10–50 Pa. The focused electron beam reaches a maximum power density of 106 W/cm2. The source utility has been demonstrated by its application for processing and cutting of ceramic.