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Test of a High-gradient Low-emittance Electron Gun

Published online by Cambridge University Press:  09 March 2009

F. Villa ,
F. Villa  and
A. Luccio
F. Villa
Affiliation:
Stanford Linear Accelerator Center, Stanford California 94309, USA
F. Villa
Affiliation:
Frantel Inc., 13847 Skyline Bld., Los Gatos, California 95030, USA
A. Luccio
Affiliation:
Brookhaven National Laboratory, Upton, New York 11973, USA
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Abstract

A maximum electric field E = 2.65 GV/m with an accelerated electron current of 1 KA has been obtained, for pulse lengths of 130 ps, in an electron gun based on Pulse Power Technology. This is the highest accelerating field ever achieved in the presence of such a large current. Measurements of beam emittance and energy from 0.4 to 2.65 MeV show that the scaling of the invariant emittance with electric field and with beam current is consistent with theoretical predictions. A few applications of high-gradient acceleration are discussed.

Type
Research Article
Information
Laser and Particle Beams , Volume 15 , Issue 3 , September 1997 , pp. 427 - 447
Copyright
Copyright © Cambridge University Press 1997

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