Analysis of holographic data storage using a PA-LCoS device

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Título: Analysis of holographic data storage using a PA-LCoS device
Autor/es: Martínez Guardiola, Francisco Javier | Márquez, Andrés | Gallego, Sergi | Fenoll Gambín, Sandra | Ortuño, Manuel | Francés, Jorge | Bleda, Sergio | Pascual, Inmaculada
Grupo/s de investigación o GITE: Holografía y Procesado Óptico
Centro, Departamento o Servicio: Universidad de Alicante. Departamento de Física, Ingeniería de Sistemas y Teoría de la Señal | Universidad de Alicante. Departamento de Óptica, Farmacología y Anatomía | Universidad de Alicante. Instituto Universitario de Física Aplicada a las Ciencias y las Tecnologías
Palabras clave: Holography | Holographic recording materials | Data storage | LCoS
Área/s de conocimiento: Óptica | Física Aplicada
Fecha de creación: 1-mar-2016
Fecha de publicación: 27-abr-2016
Editor: SPIE, The International Society for Optics and Photonics
Cita bibliográfica: Francisco J. Martínez ; Andrés Márquez ; Sergi Gallego ; Sandra Fenoll ; Manuel Ortuño, et al. " Analysis of holographic data storage using a PA-LCoS device ", Proc. SPIE 9889, Optical Modelling and Design IV, 988922 (April 27, 2016); doi:10.1117/12.2227948
Resumen: Holographic data storage systems (HDSS) have been a promising and very appealing technology since the first laser developments in the sixties. Impact of ongoing advances in the various components needs to be explored in its specific application to HDSS. In this sense, continuous progress is being produced in spatial light modulator (SLM) technology where parallel-addressed liquid crystal on silicon (PA-LCoS) microdisplays have replaced previous liquid-crystal displays (LCD) in most of optics and photonics applications. PA-LCoS microdisplays are well adapted to display phaseonly elements without coupled amplitude. In this paper, we analyse how PA-LCoS devices can also be used to display the widely applied binary intensity modulated (BIM) data pages. We also investigate hybrid-ternary modulated (HTM) data pages, which are very much demanding on the phase and amplitude modulation properties of an SLM. HTM data pages combine the ease of detection of BIM data pages, together with a large reduction of the DC term of the Fourier Transform of the data page. This reduction is necessary to avoid saturation of the recording material dynamic range. Simulated results show the magnitude of the expected DC term in the Fourier plane. We have verified the good performance of PA-LCoS to display BIM data pages. We have also obtained that pure HTM data pages cannot be produced with PA-LCoS devices, however, a rather close performance is obtained when implementing the pseudo-HTM data pages. In this work a more complete study of pseudo-HTM modulation is offered.
Patrocinador/es: This work was supported by the “Ministerio de Economía y Competitividad” (projects FIS2014-56100-C2-1-P and FIS2015-66570-P) and by the “Generalitat Valenciana” of Spain (projects PROMETEOII/2015/015 and ISIC/2012/013).
ISBN: 978-1-51-060134-5
ISSN: 0277-786X
DOI: 10.1117/12.2227948
Idioma: eng
Tipo: info:eu-repo/semantics/conferenceObject
Derechos: Copyright 2016 Society of Photo-Optical Instrumentation Engineers. This paper was published in Proceedings of SPIE, vol. 9889, and is made available as an electronic reprint with permission of SPIE. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.
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