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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Editor: Franco Gori
  • Vol. 29, Iss. 11 — Nov. 1, 2012
  • pp: 2406–2414

Propagation of Riemann–Silberstein vortices through an astigmatic lens

Haitao Chen, Zenghui Gao, Huajun Yang, Xuefang Zou, and Fanhou Wang  »View Author Affiliations


JOSA A, Vol. 29, Issue 11, pp. 2406-2414 (2012)
http://dx.doi.org/10.1364/JOSAA.29.002406


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Abstract

The propagation of Riemann–Silberstein (RS) vortices for Gaussian vortex beams with topological charges m=+1 through a lens is studied. It is shown that if there is an ideal lens, a RS vortex and a circular edge dislocation appear for Gaussian on-axis vortex beams, while only RS vortices take place for Gaussian off-axis vortex beams. In the presence of an astigmatic lens, there exist RS vortices but no edge dislocations for both Gaussian on-axis and off-axis beams. By varying the astigmatic coefficient, the off-axis parameter, and the propagation distance, the motion, creation, and annihilation of vortices may take place, and in the process, the total topological charge of RS vortices remains unchanged.

© 2012 Optical Society of America

OCIS Codes
(350.5030) Other areas of optics : Phase
(350.5500) Other areas of optics : Propagation
(260.6042) Physical optics : Singular optics

ToC Category:
Propagation

History
Original Manuscript: June 15, 2012
Revised Manuscript: September 23, 2012
Manuscript Accepted: September 27, 2012
Published: October 22, 2012

Citation
Haitao Chen, Zenghui Gao, Huajun Yang, Xuefang Zou, and Fanhou Wang, "Propagation of Riemann–Silberstein vortices through an astigmatic lens," J. Opt. Soc. Am. A 29, 2406-2414 (2012)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-29-11-2406

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