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High Gradients and RF Power Generation at the Argonne Wakefield Accelerator Facility

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Camille M. Ginsburg
Updated by:
Camille M. Ginsburg
Document Created:
22 May 2008, 20:03
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22 May 2008, 20:03
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22 May 2008, 20:03
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The Argonne Wakefield Accelerator Facility (AWA) is dedicated to the study of electron beam physics and the development of accelerating structures based on electron beam driven wakefields. In order to carry out these studies, the facility employs a photocathode RF gun capable of generating electron beams with high bunch charges (up to 100 nC) and short bunch lengths. This high intensity beam is used to excite wakefields in the structures under investigation. The wakefield structures presently under development are dielectric loaded cylindrical waveguides with operating frequencies of 8 -15 GHz, in which gradients of 100 MV/m have been reached. Similar structures have also been used as RF power sources, driven by single electron bunches or bunch trains of up to 16 bunches. Other important experiments, at different RF frequencies and using planar or cylindrical geometries, have been carried out at various other facilities. A number of new experiments are planned in the near future to explore the capabilities of this class of structures. This presentation will provide an up-to-date survey of the activities in this area of research.
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