PVA/AA photopolymers and PA-LCoS devices combined for holographic data storage

Andrés Márquez; Francisco J. Martínez; Roberto Fernández; Sergi Gallego; Mariela L. Álvarez; Inmaculada Pascual; Augusto Beléndez

doi:10.1117/12.2236113

14 September 2016 PVA/AA photopolymers and PA-LCoS devices combined for holographic data storage

Andrés Márquez, Francisco J. Martínez, Roberto Fernández, Sergi Gallego, Mariela L. Álvarez, Inmaculada Pascual, Augusto Beléndez

Author Affiliations +

Proceedings Volume 9970, Optics and Photonics for Information Processing X; 997008 (2016) https://doi.org/10.1117/12.2236113
Event: SPIE Optical Engineering + Applications, 2016, San Diego, California, United States

Abstract

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.

Citation Download Citation

Andrés Márquez, Andrés Márquez, Francisco J. Martínez, Francisco J. Martínez, Roberto Fernández, Roberto Fernández, Sergi Gallego, Sergi Gallego, Mariela L. Álvarez, Mariela L. Álvarez, Inmaculada Pascual, Inmaculada Pascual, Augusto Beléndez, 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); doi: 10.1117/12.2236113; https://doi.org/10.1117/12.2236113

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