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Focusing of high-perveance planar electron beams in a miniature wiggler magnet array

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4 Author(s)
S. Humphries ; Field Precision, Albuquerque, NM, USA ; S. Russell ; B. Carlsten ; L. Earley

The transport of planar electron beams is a topic of increasing interest for applications to high-power, high-frequency microwave devices. This paper describes two- and three-dimensional simulations of electron-beam transport in a notched wiggler magnet array. The calculations include self-consistent effects of beam-generated fields. The simple notched wiggler configuration can provide vertical and horizontal confinement of high-perveance sheet electron beams with small transverse dimensions. The feasibility calculations address a beam system to drive a 95-GHz traveling-wave tube experiment under construction at Los Alamos National Laboratory, Los Alamos, NM.

Published in:

IEEE Transactions on Plasma Science  (Volume:33 ,  Issue: 2 )