Surface Plasmon States in Inhomogeneous Media at Critical and Subcritical Metal Concentrations

Seal, Katyayani; Genov, Dentcho A.

doi:10.1155/2012/519509

Title: Surface Plasmon States in Inhomogeneous Media at Critical and Subcritical Metal Concentrations

Journal Article · Sun Jan 01 00:00:00 EST 2012 · International Journal of Optics

DOI:https://doi.org/10.1155/2012/519509· OSTI ID:1198327

Seal, Katyayani ^[1]; Genov, Dentcho A. ^[2]

Department of Physics and Astronomy, University of Tennessee, Knoxville, TN 37996, USA
College of Engineering and Science, Louisiana Tech University, Ruston, LA 71270, USA

Semicontinuous metal-dielectric films are composed of a wide range of metal clusters of various geometries—sizes as well as structures. This ensures that at any given wavelength of incident radiation, clusters exist in the film that will respond resonantly, akin to resonating nanoantennas, resulting in the broad optical response (absorption) that is a characteristic of semicontinuous films. The physics of the surface plasmon states that are supported by such systems is complex and can involve both localized and propagating plasmons. This chapter describes near-field experimental and numerical studies of the surface plasmon states in semicontinuous films at critical and subcritical metal concentrations and evaluates the local field intensity statistics to discuss the interplay between various eigenmodes.

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Sponsoring Organization:: USDOE

OSTI ID:: 1198327

Journal Information:: International Journal of Optics, Journal Name: International Journal of Optics Vol. 2012; ISSN 1687-9384

Publisher:: Hindawi Publishing CorporationCopyright Statement

Country of Publication:: Country unknown/Code not available

Language:: English

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