Abstract

Image amplification and beam fanning in a photorefractive medium are described by the multivariable Langevin equations when the random volume scattering is included owing to the inhomogeneities and/or defects distributed throughout the medium. The effects of the random volume scattering on the image amplification and the beam fanning are studied analytically in the undepleted-pump approximation and numerically, and they are compared with the surface scattering.

[Optical Society of America ]

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