Physics and technology of optical storage in polymer thin films

We discuss different strategies for optical storage of information in polymeric films. An outline of the existing trends is given. The synthesis and characterization of side-chain azobenzene polyester films for holographic storage of information is described. A compact holographic memory card system...

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Bibliographic Details
Published in:Synthetic metals 2001-10, Vol.124 (1), p.145-150
Main Authors: Ramanujam, P.S., Hvilsted, S., Ujhelyi, F., Koppa, P., Lörincz, E., Erdei, G., Szarvas, G.
Format: Article
Language:English
Subjects:
Applied sciences
Azobenzene
Electrical, magnetic and optical properties
Exact sciences and technology
Holographic storage
Optical storage
Organic polymers
Physicochemistry of polymers
Polyesters
Polymers
Properties and characterization
Surface relief
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Summary:We discuss different strategies for optical storage of information in polymeric films. An outline of the existing trends is given. The synthesis and characterization of side-chain azobenzene polyester films for holographic storage of information is described. A compact holographic memory card system based on polarization holography is described. A storage density of greater than 10MB/cm 2 has been achieved so far, with a potential increase to 100MB/cm 2 using multiplexing techniques and software correction. Finally the role of surface relief in azobenzene polymers on irradiation with polarized light is mentioned.
ISSN:0379-6779
1879-3290
DOI:10.1016/S0379-6779(01)00454-4