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Beaming Visible Light with a Plasmonic Aperture Antenna
[Image: see text] We investigate experimentally the parameter space defining, in the visible range, the far-field diffraction properties of a single circular subwavelength aperture surrounded by periodic circular grooves milled on a metallic film. Diffraction patterns emerging from such an antenna a...
Autores principales: | , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
American Chemical
Society
2014
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Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4270416/ https://www.ncbi.nlm.nih.gov/pubmed/25540811 http://dx.doi.org/10.1021/ph400146n |
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author | Yi, Jue-Min Cuche, Aurélien Devaux, Eloïse Genet, Cyriaque Ebbesen, Thomas W. |
author_facet | Yi, Jue-Min Cuche, Aurélien Devaux, Eloïse Genet, Cyriaque Ebbesen, Thomas W. |
author_sort | Yi, Jue-Min |
collection | PubMed |
description | [Image: see text] We investigate experimentally the parameter space defining, in the visible range, the far-field diffraction properties of a single circular subwavelength aperture surrounded by periodic circular grooves milled on a metallic film. Diffraction patterns emerging from such an antenna are recorded under parallel- and perpendicular-polarized illumination at a given illumination wavelength. By monitoring the directivity and the gain of the antenna with respect to a single aperture, we point out the role played by the near-field surface plasmon excitations. The results can be analyzed through a Huygens–Fresnel model, accounting for the coherent interaction between the field radiated by the hole and the plasmonic field, propagating along the antenna surface and diffracted away in free space. |
format | Online Article Text |
id | pubmed-4270416 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2014 |
publisher | American Chemical
Society |
record_format | MEDLINE/PubMed |
spelling | pubmed-42704162014-12-22 Beaming Visible Light with a Plasmonic Aperture Antenna Yi, Jue-Min Cuche, Aurélien Devaux, Eloïse Genet, Cyriaque Ebbesen, Thomas W. ACS Photonics [Image: see text] We investigate experimentally the parameter space defining, in the visible range, the far-field diffraction properties of a single circular subwavelength aperture surrounded by periodic circular grooves milled on a metallic film. Diffraction patterns emerging from such an antenna are recorded under parallel- and perpendicular-polarized illumination at a given illumination wavelength. By monitoring the directivity and the gain of the antenna with respect to a single aperture, we point out the role played by the near-field surface plasmon excitations. The results can be analyzed through a Huygens–Fresnel model, accounting for the coherent interaction between the field radiated by the hole and the plasmonic field, propagating along the antenna surface and diffracted away in free space. American Chemical Society 2014-03-05 2014-04-16 /pmc/articles/PMC4270416/ /pubmed/25540811 http://dx.doi.org/10.1021/ph400146n Text en Copyright © 2014 American Chemical Society Terms of Use (http://pubs.acs.org/page/policy/authorchoice_termsofuse.html) |
spellingShingle | Yi, Jue-Min Cuche, Aurélien Devaux, Eloïse Genet, Cyriaque Ebbesen, Thomas W. Beaming Visible Light with a Plasmonic Aperture Antenna |
title | Beaming Visible Light with a Plasmonic Aperture Antenna |
title_full | Beaming Visible Light with a Plasmonic Aperture Antenna |
title_fullStr | Beaming Visible Light with a Plasmonic Aperture Antenna |
title_full_unstemmed | Beaming Visible Light with a Plasmonic Aperture Antenna |
title_short | Beaming Visible Light with a Plasmonic Aperture Antenna |
title_sort | beaming visible light with a plasmonic aperture antenna |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4270416/ https://www.ncbi.nlm.nih.gov/pubmed/25540811 http://dx.doi.org/10.1021/ph400146n |
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