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Spectral analysis of resonant transmission of light through a single sub-wavelength slit
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2004 (English)In: Optics Express, ISSN 1094-4087, E-ISSN 1094-4087, Vol. 12, no 4, 623-632 p.Article in journal (Refereed) Published
Abstract [en]

We analyze the spectral properties of resonant transmission of light through a sub-wavelength slit in a metal film. We show that the enhanced transmission can be understood in terms of interfering surface-wave-like modes propagating in the slit. We characterize the effect of geometrical and material properties of the slit on the transmission spectrum. Furthermore, we show that the wavelength of the transmission resonance strongly depends on the surrounding medium. This effect may be utilized in sensors, imaging, and the detection of, e.g. biomolecules.

Place, publisher, year, edition, pages
2004. Vol. 12, no 4, 623-632 p.
Keyword [en]
extraordinary optical-transmission, boundary-element method, near-field, metallic gratings, hole arrays, nanoparticles, aperture, sensors, films
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-23200DOI: 10.1364/OPEX.12.000623ISI: 000189188800013Scopus ID: 2-s2.0-2942729830OAI: oai:DiVA.org:kth-23200DiVA: diva2:341898
Note
QC 20100525 QC 20111031Available from: 2010-08-10 Created: 2010-08-10 Last updated: 2017-12-12Bibliographically approved

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Friberg, Ari T.
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