Applications of self-processing holographic polymers: with a view to improving multiple holographic data storage

Christiane Carre Morlet-Savary; Christelle Heinis; Colette Turck; Daniel-Joseph Lougnot

doi:10.1117/12.370221

22 November 1999 Applications of self-processing holographic polymers: with a view to improving multiple holographic data storage

Christiane Carre Morlet-Savary, Christelle Heinis, Colette Turck, Daniel-Joseph Lougnot

Author Affiliations +

Proceedings Volume 3802, Advanced Optical Data Storage: Materials, Systems, and Interfaces to Computers; (1999) https://doi.org/10.1117/12.370221
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1999, Denver, CO, United States

Abstract

Photopolymerizable materials are capable of recording high- efficiency volume holograms by changing the refractivity of the layer. An attractive feature of these media is that they allow multiple permanent holographic storage. Chemical composition, conditioning and pre-irradiation of the reactive mixture developed in the Mulhouse laboratory were optimized for the sequential recording of several permanent holograms into the same sample, with fair diffraction efficiency and without degradation of the spatial resolution. Since the species involved in the initiation mechanism are gradually consumed as the hologram builds up, the schedule (i.e., the successive exposure times and incident intensities) must be determined, to take into account the degree of conversion of the different components and reach full completion of the reaction at the end of the ultimate imagewise exposure. Examples of more than twenty multiplexed gratings or holograms of a target will be shown, the images being recorded at the same location in the polymer at ca one degree angular separation intervals. Applications for holographic data storage can be expected in view of these results, the simplicity of use (self-processing and self-fixing material) and the possibility of short single-pulse recording.

Citation Download Citation

Christiane Carre Morlet-Savary, Christelle Heinis, Colette Turck, and Daniel-Joseph Lougnot "Applications of self-processing holographic polymers: with a view to improving multiple holographic data storage", Proc. SPIE 3802, Advanced Optical Data Storage: Materials, Systems, and Interfaces to Computers, (22 November 1999); https://doi.org/10.1117/12.370221

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