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14 September 2016 PVA/AA photopolymers and PA-LCoS devices combined for holographic data storage
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We introduce a polyvinil alcohol/acrylamide (PVA/AA) photopolymer compound in a holographic memory testing platform to provide experimental results for storage and retrieval of information. We also investigate different codification schemes for the data pages addressed onto the parallel-addressed liquid crystal on silicon (PA-LCoS) device, used as the data pager, such as binary intensity modulation (BIM), and hybrid-ternary modulation (HTM), and we will see that an actual approximation for HTM can be obtained with a PA-LCoS device. We will also evaluate the effect of the time fluctuations in the PA-LCoS microdisplays onto the BIM and HTM regimes. Good results in terms of signal-tonoise ratio and bit-error ratio are provided with the experimental system and using the PVA/AA photopolymer produced in our lab, thus showing its potential and interest for future research focused on this material with highly tunable properties.
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Andrés Márquez, Francisco J. Martínez, Roberto Fernández, Sergi Gallego, Mariela L. Álvarez, Inmaculada Pascual, and Augusto Beléndez "PVA/AA photopolymers and PA-LCoS devices combined for holographic data storage", Proc. SPIE 9970, Optics and Photonics for Information Processing X, 997008 (14 September 2016);

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