Beams Document 3862-v1

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High Gradient Wakefield Acceleration in Dielectric-Loaded Structures

Document #:
Beams-doc-3862-v1
Document type:
Talk
Submitted by:
Camille M. Ginsburg
Updated by:
Camille M. Ginsburg
Document Created:
09 May 2011, 09:22
Contents Revised:
09 May 2011, 09:22
Metadata Revised:
09 May 2011, 09:22
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Abstract:
Wakefields generated by a drive electron beam passing through a dielectric-loaded waveguide can be used to accelerate a closely following witness beam. Recently measured wakefield gradients are at 100 MV/m level (Argonne Wakefield Accelerator). A brief theoretical introduction to this acceleration technique is presented as well as the status of the research. Recent results show that "beam tailoring" plays an important role in increasing the amplitude of the wakefields and the efficiency of the energy transfer. A special attention in this talk is given to wakefields produced by flat beams in slab-symmetric structures. The prospectives for achieving ultra-high accelerating field gradients (> 1 GV/m) are examined.
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