Abstract
Hologram recording and beam coupling in photorefractive media are accompanied by photo-indueed light scattering (PILS). The origin of this phenomenon lies in the recording of numerous noisy dynamic phase gratings formed by the original incident waves and by waves scattered from optical inhomogeneities [1]. Each scattered wave forms, with the incedent waves, a stationary interference pattern that produces the so-called noise hologram. These gratings can be spatially shifted that cause the amplification of scattered waves. In consequence the intensity of initial beams are changed essentially and hologram formation may be disturbed considerably also.
© 1990 Optical Society of America
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