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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

  • Vol. 20, Iss. 10 — Oct. 1, 2003
  • pp: 1883–1889

Topological defects in moiré fringes with spiral zone plates

J. A. O. Huguenin, B. Coutinho dos Santos, P. A. M. dos Santos, and A. Z. Khoury  »View Author Affiliations


JOSA A, Vol. 20, Issue 10, pp. 1883-1889 (2003)
http://dx.doi.org/10.1364/JOSAA.20.001883


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Abstract

We present a study of spatial structures created by superposition of spiral zone plates used for generating optical beams with phase singularities. Moiré fringes are observed that show topological defects similar to those appearing in interference patterns of optical vortices. A brief theoretical discussion is included that supports the similarities between the two phenomena. Our results may lead to interesting applications to digital information processing by optical means.

© 2003 Optical Society of America

OCIS Codes
(030.4070) Coherence and statistical optics : Modes
(070.2580) Fourier optics and signal processing : Paraxial wave optics
(070.2590) Fourier optics and signal processing : ABCD transforms
(100.5010) Image processing : Pattern recognition
(120.4120) Instrumentation, measurement, and metrology : Moire' techniques

History
Original Manuscript: February 12, 2003
Revised Manuscript: May 14, 2003
Manuscript Accepted: May 14, 2003
Published: October 1, 2003

Citation
J. A. O. Huguenin, B. Coutinho dos Santos, P. A. M. dos Santos, and A. Z. Khoury, "Topological defects in moiré fringes with spiral zone plates," J. Opt. Soc. Am. A 20, 1883-1889 (2003)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-20-10-1883

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