Time fluctuations of the phase modulation in a liquid crystal on silicon display: characterization and effects in diffractive optics

Please use this identifier to cite or link to this item: http://hdl.handle.net/10045/12546
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dc.contributorHolografía y Procesado Ópticoen
dc.contributor.authorLizana Tutusaus, Ángel-
dc.contributor.authorMoreno Soriano, Ignacio-
dc.contributor.authorMárquez, Andrés-
dc.contributor.authorIemmi, Claudio-
dc.contributor.authorFernandez-Varo, Helena-
dc.contributor.authorCampos Coloma, Juan-
dc.contributor.authorYzuel Giménez, María Josefa-
dc.contributor.otherUniversidad de Alicante. Departamento de Física, Ingeniería de Sistemas y Teoría de la Señalen
dc.contributor.otherUniversidad de Alicante. Departamento de Óptica, Farmacología y Anatomíaen
dc.contributor.otherUniversidad Autónoma de Barcelona. Departamento de Físicaen
dc.contributor.otherUniversidad Miguel Hernández. Departamento de Ciencia de Materiales, Óptica y Tecnología Electrónicaen
dc.contributor.otherUniversidad de Buenos Aires. Departamento de Físicaen
dc.identifier.citationLIZANA, Ángel, et al. "Time fluctuations of the phase modulation in a liquid crystal on silicon display: characterization and effects in diffractive optics". Optics Express. Vol. 16, No. 21 (2008). ISSN 1094-4087, pp. 16711-16722en
dc.description.abstractIn this paper we provide evidence of the temporal fluctuations of the phase modulation property of a liquid crystal on silicon (LCoS) display, and we analyze its effect when the device is used for displaying a diffractive optical element. We use a commercial twisted nematic LCoS display configured to produce a phase-only modulation, and we provide time resolved measurements of the diffraction efficiency that show rapid fluctuations of the phase modulation, in the millisecond order. We analyze how these fluctuations have to be considered in two typical methods for the characterization of the phase modulation: two beam interference and diffraction from a binary grating. We finally provide experimental results on the use of this device for displaying a computer generated hologram. A reduction of the modulation diffraction efficiency results from the phase modulation fluctuation.en
dc.description.sponsorshipWe acknowledge financial support from the Spanish Ministerio de Educación y Ciencia (grants FIS2006-13037-C02-01 and FIS2006-13037-C02-02) and from Generalitat de Catalunya (grant ACI2003-42). C. Iemmi gratefully acknowledges the support of the Universidad de Buenos Aires and CONICET (Argentina).en
dc.publisherOptical Society of Americaen
dc.rightsThis paper was published in Optics Express and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/abstract.cfm?uri=oe-16-21-16711. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.en
dc.subjectLiquid-crystal devicesen
dc.subjectSpatial light modulatorsen
dc.subjectPhase shiften
dc.titleTime fluctuations of the phase modulation in a liquid crystal on silicon display: characterization and effects in diffractive opticsen
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