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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 34, Iss. 20 — Oct. 15, 2009
  • pp: 3047–3049

Miniature circular polarization analyzer with spiral plasmonic lens

Shuangyang Yang, Weibin Chen, Robert L. Nelson, and Qiwen Zhan  »View Author Affiliations


Optics Letters, Vol. 34, Issue 20, pp. 3047-3049 (2009)
http://dx.doi.org/10.1364/OL.34.003047


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Abstract

A simple spiral plasmonic lens is studied both analytically and numerically. Owing to the geometric phase effect, a spiral plasmonic lens focuses the left-hand and right-hand circular polarizations into spatially separated plasmonic fields. Such a spatial multiplexing of the field distribution is utilized in miniature circular polarization analyzer design. A circular polarization extinction ratio better than 100 is obtainable with a device size as small as 4 λ spp . The spiral plasmonic lens provides efficient plasmonic focusing while it eliminates the requirement of centering the incident beam to the plasmonic lens, making it suitable for full Stokes parameter polarimetric imaging applications.

© 2009 Optical Society of America

OCIS Codes
(230.5440) Optical devices : Polarization-selective devices
(240.6680) Optics at surfaces : Surface plasmons
(260.5430) Physical optics : Polarization
(110.5405) Imaging systems : Polarimetric imaging
(260.6042) Physical optics : Singular optics

ToC Category:
Physical Optics

History
Original Manuscript: July 16, 2009
Revised Manuscript: September 5, 2009
Manuscript Accepted: September 7, 2009
Published: October 2, 2009

Citation
Shuangyang Yang, Weibin Chen, Robert L. Nelson, and Qiwen Zhan, "Miniature circular polarization analyzer with spiral plasmonic lens," Opt. Lett. 34, 3047-3049 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-20-3047

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