Self-organization of scattering in photorefractive KNbO_3 into a reconfigurable hexagonal spot array
- 1 January 1995
- journal article
- Published by Optica Publishing Group in Optics Letters
- Vol. 20 (1) , 10-12
- https://doi.org/10.1364/ol.20.000010
Abstract
The scattering cone (~2°) from an Ar laser beam (514 nm) in photorefractive KNbO3:Fe has been observed to transform into a reconfigurable hexagonal spot array. This phenomenon can be explained through the creation of laser-induced transmission and reflection grating arrays.Keywords
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