Coupling of near-grazing microwave photons to surface plasmon polaritons via a dielectric grating

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Coupling of near-grazing microwave photons to surface plasmon polaritons via a dielectric grating

Please use this identifier to cite or link to this item: http://hdl.handle.net/10036/23772

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Title: Coupling of near-grazing microwave photons to surface plasmon polaritons via a dielectric grating
Author: Hibbins, Alastair P.
Sambles, J. Roy
Lawrence, Christopher R.
Citation: 61 (5), pp. 5900-5906
Publisher: American Physical Society
Journal: Physical Review E
Date Issued: 2000
URI: http://hdl.handle.net/10036/23772
DOI: 10.1103/PhysRevE.61.5900
Links: http://dx.doi.org/10.1103/PhysRevE.61.5900 http://link.aps.org/abstract/PRE/v61/p5900
Abstract: A dielectric grating on top of a planar metal substrate is shown to couple near-grazing microwave photons to surface plasmon polaritons (SPPs). It is shown that when the grating grooves are oriented such that they are parallel to the plane of incidence (φ=90°), coupling to SPPs with both s- and p-polarized photons is possible at three different energies. It is demonstrated that one mode is coupled via p-polarized radiation and the other two modes are both coupled via s-polarized radiation. A multilayer, multishape differential grating theory allows the identities of each of the modes to be confirmed by modeling the electromagnetic fields above the metal substrate. In addition, a comparison between the experimentally derived reflectivity scans and the theoretical model is made.
Type: Article
Description: Alastair P. Hibbins, J. Roy Sambles, and Christopher R. Lawrence, Physical Review E, Vol. 61, pp. 5900-5906 (2000). "Copyright © 2000 by the American Physical Society."
ISSN: 1539-37551550-2376


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