Propagation length of surface plasmons in a metal film with roughness
Applied Optics, Vol. 48, Issue 30, pp. 5683-5691 (2009)
http://dx.doi.org/10.1364/AO.48.005683
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Abstract
The propagation of laser-excited surface plasmons along a gold film with surface roughness is directly observed via scattered light. The attenuation length of surface plasmons in a broad wavelength interval is calculated for smooth gold and silver films. The surface roughness, which was characterized with an AFM, introduces corrections to the attenuation length, angular dependence of the surface plasmon resonance, and the effective dielectric constant of the metal film. These corrections are also taken into account and discussed.
© 2009 Optical Society of America
OCIS Codes
(240.0310) Optics at surfaces : Thin films
(240.5770) Optics at surfaces : Roughness
(240.6680) Optics at surfaces : Surface plasmons
ToC Category:
Optics at Surfaces
History
Original Manuscript: May 6, 2009
Revised Manuscript: September 2, 2009
Manuscript Accepted: September 4, 2009
Published: October 12, 2009
Citation
Andrei Kolomenski, Alexandre Kolomenskii, John Noel, Siying Peng, and Hans Schuessler, "Propagation length of surface plasmons in a metal film with roughness," Appl. Opt. 48, 5683-5691 (2009)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-48-30-5683
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