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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 37, Iss. 6 — Mar. 15, 2012
  • pp: 1038–1040

Wideband omnidirectional infrared absorber with a patchwork of plasmonic nanoantennas

Patrick Bouchon, Charlie Koechlin, Fabrice Pardo, Riad Haïdar, and Jean-Luc Pelouard  »View Author Affiliations


Optics Letters, Vol. 37, Issue 6, pp. 1038-1040 (2012)
http://dx.doi.org/10.1364/OL.37.001038


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Abstract

In this Letter, we demonstrate experimentally that a patchwork of four metal–insulator–metal patches leads to an unpolarized wideband omnidirectional infrared absorption. Our structure absorbs 70% of the incident light on a 2.5 μm bandwidth at 8.5 μm. It paves the way to the design of wideband efficient plasmonic absorbers in the infrared spectrum.

© 2012 Optical Society of America

OCIS Codes
(130.3060) Integrated optics : Infrared
(230.1950) Optical devices : Diffraction gratings
(050.6624) Diffraction and gratings : Subwavelength structures

ToC Category:
Diffraction and Gratings

History
Original Manuscript: January 6, 2012
Revised Manuscript: January 31, 2012
Manuscript Accepted: February 1, 2012
Published: March 8, 2012

Citation
Patrick Bouchon, Charlie Koechlin, Fabrice Pardo, Riad Haïdar, and Jean-Luc Pelouard, "Wideband omnidirectional infrared absorber with a patchwork of plasmonic nanoantennas," Opt. Lett. 37, 1038-1040 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-6-1038

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