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Proceedings Paper

Helmholtz resonator for electric field enhancement from visible to far-infrared
Author(s): Paul Chevalier; Patrick Bouchon; Jean-Jacques Greffet; Jean-Luc Pelouard; Riad Haidar; Fabrice Pardo
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Paper Abstract

Here we present a 2D slit-box electromagnetic nanoantenna inspired by the acoustic Helmholtz resonator. It is able to concentrate the energy into tiny volumes, and a giant field intensity enhancement is observed throughout the slit. Noteworthily, we have shown that this field intensity enhancement can also be obtained in three dimensional structures that are polarization independent. In the Helmholtz nanoantenna, the field is enhanced in a hot volume and not a hot point, which is of great interest for applications requiring extreme light concentration, such as SEIRA, non-linear optics and biophotonics.

Paper Details

Date Published: 8 February 2015
PDF: 7 pages
Proc. SPIE 9370, Quantum Sensing and Nanophotonic Devices XII, 93701P (8 February 2015); doi: 10.1117/12.2078997
Show Author Affiliations
Paul Chevalier, Lab. de Photonique et de Nanostructures, CNRS (France)
ONERA (France)
Patrick Bouchon, ONERA (France)
Jean-Jacques Greffet, Lab. Charles Fabry, Institut d’ Optique, CNRS, Univ. Paris (France)
Jean-Luc Pelouard, Lab. de Photonique et de Nanostructures, CNRS (France)
Riad Haidar, ONERA (France)
École Polytechnique (France)
Fabrice Pardo, Lab. de Photonique et de Nanostructures, CNRS (France)

Published in SPIE Proceedings Vol. 9370:
Quantum Sensing and Nanophotonic Devices XII
Manijeh Razeghi; Eric Tournié; Gail J. Brown, Editor(s)

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