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Optics Letters

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  • Vol. 24, Iss. 9 — May. 1, 1999
  • pp: 620–621

Diffraction-limited laser beam shaping by use of computer-generated holograms with dislocations

Evgeny G. Churin  »View Author Affiliations


Optics Letters, Vol. 24, Issue 9, pp. 620-621 (1999)
http://dx.doi.org/10.1364/OL.24.000620


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Abstract

A new method that reshapes a Gaussian laser beam into a polygon of diffraction-limited size with a flat or a pyramidal top is presented. The technique is based on the use of computer-generated holograms with phase dislocations (singularities).

© 1999 Optical Society of America

OCIS Codes
(050.1970) Diffraction and gratings : Diffractive optics
(070.2580) Fourier optics and signal processing : Paraxial wave optics
(090.1760) Holography : Computer holography
(090.2890) Holography : Holographic optical elements
(100.5090) Image processing : Phase-only filters
(140.3300) Lasers and laser optics : Laser beam shaping

Citation
Evgeny G. Churin, "Diffraction-limited laser beam shaping by use of computer-generated holograms with dislocations," Opt. Lett. 24, 620-621 (1999)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-24-9-620


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