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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 38, Iss. 14 — Jul. 15, 2013
  • pp: 2575–2577

Optical vortices from closed-loop subwavelength slits

Etienne Brasselet  »View Author Affiliations


Optics Letters, Vol. 38, Issue 14, pp. 2575-2577 (2013)
http://dx.doi.org/10.1364/OL.38.002575


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Abstract

We report on the singular shaping of light using closed-loop subwavelength slits whose shape is homeomorphic to the circle. Various sets of optical phase singularities can be generated depending on the given closed path whose geometry tailors the spin-orbit interaction for the light that passes through the curved slit. Here three families of closed-loop curves are considered—polygons, hypocycloids, and epicycloids.

© 2013 Optical Society of America

OCIS Codes
(050.2555) Diffraction and gratings : Form birefringence
(050.4865) Diffraction and gratings : Optical vortices
(310.6628) Thin films : Subwavelength structures, nanostructures

ToC Category:
Diffraction and Gratings

History
Original Manuscript: April 9, 2013
Revised Manuscript: May 20, 2013
Manuscript Accepted: May 21, 2013
Published: July 12, 2013

Citation
Etienne Brasselet, "Optical vortices from closed-loop subwavelength slits," Opt. Lett. 38, 2575-2577 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-14-2575


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