Abstract
This work presents a novel optical holographic encrypted data storage approach based on a phase encoding multiplexed scheme. In the proposed data storage scheme, patterns to be encrypted are stored holographically in a photorefractive LiNbO3:Fe crystal using a lenticular lens array (LLA) sheet phase-encoded multiplexing. Experimental results reveal that rotating an LLA placed as a phase modulator in the path of the reference beam is a simple but effective method of increasing the phase addresses for holographic memory in a crystal. Combining this rotational multiplexing with two-axis rotating multiplexing provides further data storage and data encryption capacity.
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Chang, C., Chen, G., Young, W. et al. Deterministic Phase Encoded Holographic Data Storage Using Lenticular Lens Array. OPT REV 14, 214–218 (2007). https://doi.org/10.1007/s10043-007-0214-y
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DOI: https://doi.org/10.1007/s10043-007-0214-y