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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.

This article is available under the terms of the Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.

© 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