Abstract
Self-bending effect consists in the propagation of a light beam along a curved path in the photorefractive crystals with a large diffusion (gradient-type) nonlinearity.1 The self-bending effect has been observed in bulk materials such as LiNbO3, KNbO3 and BaTiO3.2−6 In all these cases the light is extraordinary polarized and propagates perpendicular to the axis.
© 2002 Optical Society of America
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