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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 15, Iss. 8 — Aug. 1, 1998
  • pp: 2226–2234

Holographic formation of optical-vortex filaments

Z. S. Sacks, D. Rozas, and G. A. Swartzlander, Jr.  »View Author Affiliations


JOSA B, Vol. 15, Issue 8, pp. 2226-2234 (1998)
http://dx.doi.org/10.1364/JOSAB.15.002226


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Abstract

An optical-vortex filament is characterized by a dark core of vanishing size and fluidlike propagation dynamics in the near-field region. This type of phase singularity does not naturally occur as an eigenmode of a cylindrically symmetric system, but it can be easily formed by computer-generated holography. The size of the core is an important attribute affecting vortex–vortex interactions within a laser beam. Here we demonstrate a means to minimize the core size, and we experimentally show that a beam-to-core size ratio exceeding 175 may be readily achieved.

© 1998 Optical Society of America

OCIS Codes
(090.1760) Holography : Computer holography

Citation
Z. S. Sacks, D. Rozas, and G. A. Swartzlander, Jr., "Holographic formation of optical-vortex filaments," J. Opt. Soc. Am. B 15, 2226-2234 (1998)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-15-8-2226

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