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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 20 — Oct. 15, 2010
  • pp: 3495–3497

Extending the detection range of optical vortices by Dammann vortex gratings

N. Zhang, X. C. Yuan, and R. E. Burge  »View Author Affiliations


Optics Letters, Vol. 35, Issue 20, pp. 3495-3497 (2010)
http://dx.doi.org/10.1364/OL.35.003495


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Abstract

We report a 2D static binary phase Dammann vortex grating that combines the features of a conventional vortex grating and a Dammann grating. This grating uniformly distributes energies among the diffraction orders, so the low-efficiency problem at higher diffraction orders of conventional vortex gratings is resolved and the detection range of the optical vortices (OVs) is greatly increased. Experimental results of OV detection using a fabricated 5 × 5 Dammann vortex grating are given, and the topological charge detection range from 12 to + 12 is achieved. The potential applications of such gratings include transmitting, receiving, and multiplexing OV beams in optical communication systems.

© 2010 Optical Society of America

OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(050.4865) Diffraction and gratings : Optical vortices

ToC Category:
Diffraction and Gratings

History
Original Manuscript: July 27, 2010
Revised Manuscript: September 16, 2010
Manuscript Accepted: September 17, 2010
Published: October 13, 2010

Citation
N. Zhang, X. C. Yuan, and R. E. Burge, "Extending the detection range of optical vortices by Dammann vortex gratings," Opt. Lett. 35, 3495-3497 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-20-3495

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