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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 51, Iss. 10 — Apr. 1, 2012
  • pp: C1–C6

Polarization pattern of vector vortex beams generated by q-plates with different topological charges

Filippo Cardano, Ebrahim Karimi, Sergei Slussarenko, Lorenzo Marrucci, Corrado de Lisio, and Enrico Santamato  »View Author Affiliations


Applied Optics, Vol. 51, Issue 10, pp. C1-C6 (2012)
http://dx.doi.org/10.1364/AO.51.0000C1


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Abstract

We describe the polarization topology of the vector beams emerging from a patterned birefringent liquid crystal plate with a topological charge q at its center (q-plate). The polarization topological structures for different q-plates and different input polarization states have been studied experimentally by measuring the Stokes parameters point-by-point in the beam transverse plane. Furthermore, we used a tuned q=1/2-plate to generate cylindrical vector beams with radial or azimuthal polarizations, with the possibility of switching dynamically between these two cases by simply changing the linear polarization of the input beam.

© 2012 Optical Society of America

OCIS Codes
(160.3710) Materials : Liquid crystals
(260.5430) Physical optics : Polarization
(050.4865) Diffraction and gratings : Optical vortices
(260.6042) Physical optics : Singular optics

History
Original Manuscript: December 5, 2011
Manuscript Accepted: December 23, 2011
Published: March 5, 2012

Citation
Filippo Cardano, Ebrahim Karimi, Sergei Slussarenko, Lorenzo Marrucci, Corrado de Lisio, and Enrico Santamato, "Polarization pattern of vector vortex beams generated by q-plates with different topological charges," Appl. Opt. 51, C1-C6 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-10-C1

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