Grating-coupled surface plasmons at microwave frequencies

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Grating-coupled surface plasmons at microwave frequencies

Please use this identifier to cite or link to this item: http://hdl.handle.net/10036/24032

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Title: Grating-coupled surface plasmons at microwave frequencies
Author: Hibbins, Alastair P.
Sambles, J. Roy
Lawrence, Christopher R.
Citation: 86 (4), pp. 1791-1795
Publisher: American Institute of Physics
Journal: Journal of Applied Physics
Date Issued: 1999
URI: http://hdl.handle.net/10036/24032
DOI: 10.1063/1.370970
Links: http://dx.doi.org/10.1063/1.370970 http://link.aip.org/link/?JAPIAU/86/1791/1
Abstract: This work presents a detailed investigation of electromagnetic coupling to the surface plasmon-polariton (SPP) at microwave frequencies. We have recorded the wavelength-dependent reflectivity from a metallic sinusoidal diffraction grating of pitch 15 mm. In order to minimize the problems associated with nonplanar incident wavefronts, we have developed an apparatus that collimates the incident beam. We illustrate resonant coupling to the SPP at wavelengths of the order of 10 mm. The wavelength-dependent reflectivities recorded have been successfully fitted using a differential formalism of conical diffraction with a single set of grating parameters describing the grating profile and metal permittivity.
Type: Article
Description: Copyright © 1999 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Journal of Applied Physics 86 (1999) and may be found at: http://link.aip.org/link/?JAPIAU/86/1791/1
Keywords: surface plasmonspolaritonselectromagnetic couplingreflectivitydiffraction gratings
ISSN: 0021-8979


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