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Optics Letters

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  • Vol. 36, Iss. 20 — Oct. 15, 2011
  • pp: 3972–3974

Light transmission through a circular metallic grating under broadband radial and azimuthal polarization illumination

Gilad M. Lerman, Meir Grajower, Avner Yanai, and Uriel Levy  »View Author Affiliations


Optics Letters, Vol. 36, Issue 20, pp. 3972-3974 (2011)
http://dx.doi.org/10.1364/OL.36.003972


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Abstract

We studied the characteristics of a circular metallic grating illuminated by broadband radial and azimuthal polarizations. We demonstrated that this scenario is the cylindrical analogue of a one-dimensional Cartesian grating illuminated by TM and TE polarizations. We measured the transmission spectra of this structure and observed strong polarization selectivity and, specifically, a resonance for radial polarization excitation, indicating a strong coupling to surface plasmons. The structure may be attractive for applications where pure radial polarization is needed, such as tight focusing, material processing, and particle trapping.

© 2011 Optical Society of America

OCIS Codes
(120.7000) Instrumentation, measurement, and metrology : Transmission
(240.6680) Optics at surfaces : Surface plasmons
(260.5430) Physical optics : Polarization
(350.4238) Other areas of optics : Nanophotonics and photonic crystals

ToC Category:
Physical Optics

History
Original Manuscript: July 13, 2011
Revised Manuscript: September 5, 2011
Manuscript Accepted: September 12, 2011
Published: October 5, 2011

Virtual Issues
Vol. 6, Iss. 11 Virtual Journal for Biomedical Optics

Citation
Gilad M. Lerman, Meir Grajower, Avner Yanai, and Uriel Levy, "Light transmission through a circular metallic grating under broadband radial and azimuthal polarization illumination," Opt. Lett. 36, 3972-3974 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-20-3972

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