Information capacity of holograms with reference speckle wave

Alexei M. Darsky; Vladimir B. Markov

doi:10.1117/12.47109

1 October 1991 Information capacity of holograms with reference speckle wave

Alexei M. Darsky, Vladimir B. Markov

Author Affiliations +

Proceedings Volume 1509, Holographic Optical Security Systems; (1991) https://doi.org/10.1117/12.47109
Event: ECO4 (The Hague '91), 1991, The Hague, Netherlands

Abstract

This paper reports new possibilities for increasing the information capacity of 3-D holograms. It is based on the application of the speckle wave as a reference under the volume hologram recording. Such hologram has the translational selectivity (the sensitivity of the diffracted wave amplitude to the mutual translational shift of the hologram and the reconstructing beam) and the angular selectivity which doesn't depend on the changing of the rotational axis. All these possibilities arise due to the space mismatch between the recorded structure and the reconstructing speckle wave. The theoretical analysis and experimental study of this problem under the volume holograms recording at the LiNbO3:Fe crystals were carried out.

Citation Download Citation

Alexei M. Darsky, Alexei M. Darsky, Vladimir B. Markov, Vladimir B. Markov, } "Information capacity of holograms with reference speckle wave", Proc. SPIE 1509, Holographic Optical Security Systems, (1 October 1991); doi: 10.1117/12.47109; https://doi.org/10.1117/12.47109

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