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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: Stephen A. Burns
  • Vol. 24, Iss. 12 — Dec. 1, 2007
  • pp: 3753–3761

Generation of nondiffracting beams through an opaque disk

Marc Brunel and Sebastien Coetmellec  »View Author Affiliations


JOSA A, Vol. 24, Issue 12, pp. 3753-3761 (2007)
http://dx.doi.org/10.1364/JOSAA.24.003753


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Abstract

A new method of generating nondiffracting beams is presented. It consists of focusing a Gaussian beam in the vicinity of an opaque disk. A beam is generated whose central peak is surrounded by a wide number of bright rings ( 250 ) . After collimation, the beam propagates without changing the rings’ radii, similar to a diffraction-free beam. The central peak can conserve its dimension over more than 5 m . The diameter of the central peak is adjusted by choosing the focal length of the collimating lens. Experimental results are well predicted by our theoretical developments that simulate exactly the paraxial diffraction.

© 2007 Optical Society of America

OCIS Codes
(070.6110) Fourier optics and signal processing : Spatial filtering
(090.1970) Holography : Diffractive optics
(140.3300) Lasers and laser optics : Laser beam shaping

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: June 14, 2007
Revised Manuscript: October 5, 2007
Manuscript Accepted: October 10, 2007
Published: November 20, 2007

Citation
Marc Brunel and Sebastien Coetmellec, "Generation of nondiffracting beams through an opaque disk," J. Opt. Soc. Am. A 24, 3753-3761 (2007)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-24-12-3753

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