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Optics Letters

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  • Vol. 36, Iss. 6 — Mar. 15, 2011
  • pp: 903–905

Plasmonic bandgap formation in two-dimensional periodic arrangements of gold patches with subwavelength gaps

Roberto Marani, Marco Grande, Valeria Marrocco, Antonella D’Orazio, Vincenzo Petruzzelli, Maria A. Vincenti, and Domenico de Ceglia  »View Author Affiliations


Optics Letters, Vol. 36, Issue 6, pp. 903-905 (2011)
http://dx.doi.org/10.1364/OL.36.000903


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Abstract

We report on the formation of plasmonic bandgaps in two-dimensional periodic arrangements of gold patches. Orthogonal arrays of subwavelength slits with different periodicities have been studied by means of a three- dimensional finite-difference time-domain (FDTD) code, changing incident polarization and geometrical param eters. Spectral response of gold patches having different a form factor and surrounded by different media have been also investigated and compared in order to give a full description of bandgap shifts paving the way for the design of polarization-sensitive devices.

© 2011 Optical Society of America

OCIS Codes
(050.1220) Diffraction and gratings : Apertures
(240.6680) Optics at surfaces : Surface plasmons
(050.6624) Diffraction and gratings : Subwavelength structures

ToC Category:
Diffraction and Gratings

History
Original Manuscript: November 2, 2010
Revised Manuscript: January 18, 2011
Manuscript Accepted: February 16, 2011
Published: March 9, 2011

Citation
Roberto Marani, Marco Grande, Valeria Marrocco, Antonella D’Orazio, Vincenzo Petruzzelli, Maria A. Vincenti, and Domenico de Ceglia, "Plasmonic bandgap formation in two-dimensional periodic arrangements of gold patches with subwavelength gaps," Opt. Lett. 36, 903-905 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-6-903


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References

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