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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 1 — Jan. 14, 2013
  • pp: 974–983

Controlling the polarization singularities of the focused azimuthally polarized beams

Wei Zhang, Sheng Liu, Peng Li, Xiangyang Jiao, and Jianlin Zhao  »View Author Affiliations


Optics Express, Vol. 21, Issue 1, pp. 974-983 (2013)
http://dx.doi.org/10.1364/OE.21.000974


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Abstract

We mainly investigate the polarization singularities of the focused azimuthally polarized (AP) beams modulated by spiral phase and sector obstacles. The results reveal that either the spiral phase or sector obstacle can convert the central V-point to C-points, C-point dipoles, or even double V-points under certain conditions. The conversion can be selectively controlled by appropriately setting the topological charge of the spiral phase and the sector angle of the obstacle. These results may have implications for the researches on polarization, focal field manipulation, or even angular momentum of the focused cylindrically polarized beams.

© 2013 OSA

OCIS Codes
(050.1960) Diffraction and gratings : Diffraction theory
(260.5430) Physical optics : Polarization
(260.6042) Physical optics : Singular optics

ToC Category:
Physical Optics

History
Original Manuscript: November 8, 2012
Revised Manuscript: December 9, 2012
Manuscript Accepted: December 12, 2012
Published: January 9, 2013

Citation
Wei Zhang, Sheng Liu, Peng Li, Xiangyang Jiao, and Jianlin Zhao, "Controlling the polarization singularities of the focused azimuthally polarized beams," Opt. Express 21, 974-983 (2013)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-21-1-974


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