1 June 1999 Multiplexed microholograms for optical data storage
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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.
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Hans Joachim Eichler, Hans Joachim Eichler, Susanna Orlic, Susanna Orlic, Peter Kuemmel, Peter Kuemmel, Benjamin Schupp, Benjamin Schupp, } "Multiplexed microholograms for optical data storage", Proc. SPIE 3633, Diffractive and Holographic Technologies, Systems, and Spatial Light Modulators VI, (1 June 1999); doi: 10.1117/12.349323; https://doi.org/10.1117/12.349323
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