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Proceedings Paper

Coaxial hybrid iron (CHI) wiggler
Author(s): Robert H. Jackson; Henry P. Freund; Dean E. Pershing; J. M. Taccetti
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Paper Abstract

A magnetic wiggler design has been developed for applications in free-electron lasers which is scalable to small periods with high field amplitude, high beam current acceptance, and excellent transverse focusing and beam propagation properties. The Coaxial Hybrid Iron (CHI) wiggler design consists of a coaxial arrangement of alternating ferromagnetic and non- ferromagnetic rings with the central portion of the coax shifted by one half period. The entire arrangement is immersed in a solenoidal field which results in a cylindrically symmetric periodic field. A key advantage of this wiggler configuration is its capacity to handle very high beam currents with excellent focusing and transport properties. FEL configuration using the CHI wiggler design have the potential for high power, high frequency coherent generation in relatively compact systems. Analytic and simulated characteristics of the CHI wiggler are presented.

Paper Details

Date Published: 29 November 1993
PDF: 9 pages
Proc. SPIE 2013, Electron-Beam Sources of High-Brightness Radiation, (29 November 1993); doi: 10.1117/12.164797
Show Author Affiliations
Robert H. Jackson, Naval Research Lab. (United States)
Henry P. Freund, Naval Research Lab. (United States)
Dean E. Pershing, Naval Research Lab. (United States)
J. M. Taccetti, Naval Research Lab. (United States)

Published in SPIE Proceedings Vol. 2013:
Electron-Beam Sources of High-Brightness Radiation
Henry P. Freund, Editor(s)

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