Coaxial hybrid iron (CHI) wiggler

Robert H. Jackson; Henry P. Freund; Dean E. Pershing; J. M. Taccetti

doi:10.1117/12.164797

29 November 1993 Coaxial hybrid iron (CHI) wiggler

Robert H. Jackson, Henry P. Freund, Dean E. Pershing, J. M. Taccetti

Proceedings Volume 2013, Electron-Beam Sources of High-Brightness Radiation; (1993) https://doi.org/10.1117/12.164797
Event: SPIE's 1993 International Symposium on Optics, Imaging, and Instrumentation, 1993, San Diego, CA, United States

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.

Citation Download Citation

Robert H. Jackson, Henry P. Freund, Dean E. Pershing, and J. M. Taccetti "Coaxial hybrid iron (CHI) wiggler", Proc. SPIE 2013, Electron-Beam Sources of High-Brightness Radiation, (29 November 1993); https://doi.org/10.1117/12.164797

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