Phys. Rev. ST Accel. Beams 12, 071301 (2009) [6 pages]

Wakefields in photonic crystal cavities

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Gregory R. Werner1 *, Carl A. Bauer1, and John R. Cary1,2
1Center for Integrated Plasma Studies, University of Colorado at Boulder, Boulder, Colorado 80309, USA
2Tech-X Corporation, Boulder, Colorado 80303, USA

Received 3 February 2009; published 24 July 2009

Simulations of charged particle beams in accelerator cavities show that a two-dimensional photonic crystal can be used to create a three-dimensional hybrid cavity with a single operating mode and no significant higher order modes, greatly reducing long-range wakefields. Optimizing the photonic crystal cavity to reduce radiation leakage in the desired mode (of a finite-sized structure) yields even lower wakefields. Wakefields in photonic crystal cavities are compared to those in metal pillbox cavities.


©2009 The American Physical Society

URL: http://link.aps.org/doi/10.1103/PhysRevSTAB.12.071301
DOI: 10.1103/PhysRevSTAB.12.071301
PACS: 41.75.Ht, 41.75.Lx, 42.70.Qs

* Greg.Werner@colorado.edu

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