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Optics Letters

Optics Letters

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  • Vol. 24, Iss. 21 — Nov. 1, 1999
  • pp: 1511–1513

Spontaneous hexagon formation in photorefractive crystal with a single pump wave

P. M. Lushnikov and A. V. Mamaev  »View Author Affiliations


Optics Letters, Vol. 24, Issue 21, pp. 1511-1513 (1999)
http://dx.doi.org/10.1364/OL.24.001511


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Abstract

A new scheme for spontaneous formation of hexagonal optical patterns in photorefractive crystals with dominant reflection gratings and a single pump wave is proposed and realized experimentally. It is shown theoretically that spontaneous hexagon formation results from random small-angle scattering of the pump wave inside the crystal. The threshold of spontaneous hexagon formation is found.

© 1999 Optical Society of America

OCIS Codes
(190.0190) Nonlinear optics : Nonlinear optics
(190.4420) Nonlinear optics : Nonlinear optics, transverse effects in
(190.5330) Nonlinear optics : Photorefractive optics

Citation
P. M. Lushnikov and A. V. Mamaev, "Spontaneous hexagon formation in photorefractive crystal with a single pump wave," Opt. Lett. 24, 1511-1513 (1999)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-24-21-1511

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