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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 37, Iss. 8 — Apr. 15, 2012
  • pp: 1286–1288

4Pi focusing of spatially modulated radially polarized vortex beams

Ziyang Chen and Daomu Zhao  »View Author Affiliations


Optics Letters, Vol. 37, Issue 8, pp. 1286-1288 (2012)
http://dx.doi.org/10.1364/OL.37.001286


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Abstract

We propose a method for generating focal beams with special intensity distributions using radially polarized vortex beams in a 4Pi configuration. A spherical dark-hollow beam and hollow beam array can be obtained by vortex beams with topological charge of m = 1 . A dark channel can be generated using vortex beams with topological charge of m = 2 . The length of the well-defined hollow beam array and the dark channel is about 30 λ . These interesting beams are useful in optical trapping and manipulation.

© 2012 Optical Society of America

OCIS Codes
(260.5430) Physical optics : Polarization
(350.6980) Other areas of optics : Transforms
(050.4865) Diffraction and gratings : Optical vortices
(260.6042) Physical optics : Singular optics

ToC Category:
Physical Optics

History
Original Manuscript: January 3, 2012
Revised Manuscript: February 14, 2012
Manuscript Accepted: February 15, 2012
Published: April 4, 2012

Citation
Ziyang Chen and Daomu Zhao, "4Pi focusing of spatially modulated radially polarized vortex beams," Opt. Lett. 37, 1286-1288 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-8-1286

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