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Nanocavity antenna array for enhancing extraordinary optical transmission of light through a metallic nanoslit
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.ORCID iD: 0000-0002-3401-1125
2009 (English)In: Journal of the Optical Society of America. B, Optical physics, ISSN 0740-3224, E-ISSN 1520-8540, Vol. 26, no 11, 2131-2135 p.Article in journal (Refereed) Published
Abstract [en]

The transmission of light through a single nanoslit milled in the metallic film is enhanced by using an array of nanocavity antennas. It is shown that transmission efficiency through a 25-nm-wide silver nanoslit can be enhanced to eta = 151 when six pairs of nanostrips are placed 50 nm away from the input surface of the silver film at wavelength lambda(0) = 1 mu m. The influences of both the nanoslit position and the slit-to-strip distance on the extraordinary transmission are investigated, and the physical mechanism is explained.

Place, publisher, year, edition, pages
2009. Vol. 26, no 11, 2131-2135 p.
Keyword [en]
wave-guides, apertures, slit
Identifiers
URN: urn:nbn:se:kth:diva-18990ISI: 000272143000024Scopus ID: 2-s2.0-70450198882OAI: oai:DiVA.org:kth-18990DiVA: diva2:337037
Note

QC 20100525

Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2017-12-12Bibliographically approved

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