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Dispersion Engineering and Disorder in Photonic Crystals for Accelerator Applications

Seviour, Rebecca and Oladipo, A. (2010) Dispersion Engineering and Disorder in Photonic Crystals for Accelerator Applications. In: Proceedings of the 1st International Particle Accelerator Conference IPAC 2010. JACoW, Kyoto, Japan, pp. 4375-4377. ISBN 978-92-9083-352-9

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    The possibility of achieving higher accelerating
    gradients at higher frequencies with the reduction of the
    effect of HOMs, compared to conventional accelerating
    structures, is increasing interest in the possible use of
    Photonic Crystals (PC) for accelerator applications. In
    this paper we analyze how the properties of the lattice of a
    PC resonator can be engineered to give a specific band
    structure, and how by tailoring the properties of the lattice
    specific EM modes can either be confined or moved into
    the propagation band of the PC. We further go on to
    discuss the role of disorder in achieving mode
    confinement and how this can be used to optimize both
    the Q and the accelerating gradient of a PC based
    accelerating structure. We also examine the use of high
    disorder to give rise to Anderson Localization, which
    gives rise to exponential localization of an EM mode.
    Discussing the difference between the extended Bloch
    wave, which extends over the entire PC, and the Anderson
    localized mode.

    Item Type: Book Chapter
    Subjects: Q Science > Q Science (General)
    Q Science > QC Physics
    Schools: School of Applied Sciences
    Related URLs:
    Depositing User: Sara Taylor
    Date Deposited: 08 Nov 2012 16:02
    Last Modified: 08 Nov 2012 16:02


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