Title: <title>Multiplexed microholograms for optical data storage</title>
Abstract: An optical disk system has been proposed that stores the bit-formatted data in three dimensions as microscopic reflection holograms in a thin photosensitive layer. Each microhologram represents one bit. High storage densities can be achieved by combining multiplexing methods and multilayer storage. A theoretical model for microholographic gratings generated by two focused counterpropagating Gaussian beams predicts high values of diffraction efficiency, more than 95% for single microhologram. Physical principles of microholographic storage have been experimentally verified. This article reports on recording and characterization of microholograms in DuPont HRF-800 photopolymers.
Publication Year: 1999
Publication Date: 1999-06-01
Language: en
Type: article
Indexed In: ['crossref']
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Cited By Count: 5
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