Spontaneous hexagon formation in photorefractive crystal with a single pump wave
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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