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Characteristics of Dynamic Range of Batch-Thermal Fixing Holographic Storage in Fe:LiNbO3

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Abstract

A batch-thermal fixing technique is present to increase the effective dynamic range of photorefractive crystals, hence to increase the storage density. The parameter M#batch is defined for quantitatively characterizing the available enhancement in storage capacity of a batch-thermal fixing holographic storage system. The dynamic range corresponding to the number of batches is calculated and compared. The improvement of the dynamic range of a batch-fixing holographic storage system is dependent on the difference of inter-batch and intra-batch optical erasure time constants.

© 2005 Optical Society of America

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