Abstract
On the basis of the idea that signal gratings have a faster formation
rate than noise gratings and signal gratings have a slower erasure rate than
noise gratings under the same erasing beam, we report a new technique to
suppress or eliminate the noise in image processing in photorefractive
crystals. A general theoretical analysis and experimental results in
LiNbO3: Fe crystals are given.
© 1997 Optical Society of America
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