Averaged Stokes polarimetry applied to characterize parallel-aligned liquid crystal on silicon displays

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Title: Averaged Stokes polarimetry applied to characterize parallel-aligned liquid crystal on silicon displays
Authors: Márquez, Andrés | Martínez Guardiola, Francisco Javier | Gallego, Sergi | Ortuño, Manuel | Beléndez, Augusto | Pascual, Inmaculada
Research Group/s: Holografía y Procesado Óptico
Center, Department or Service: 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
Keywords: Liquid crystal on silicon displays | Parallel aligned | Retardance measurement | Phase-only modulation | Spatial light modulation | Flicker | Diffractive optics | Polarimetry
Knowledge Area: Óptica | Física Aplicada
Date Created: Jul-2014
Issue Date: 19-Sep-2014
Publisher: SPIE, The International Society for Optics and Photonics
Citation: A. Márquez ; F. J. Martínez ; S. Gallego ; M. Ortuño ; J. Francés ; A. Beléndez ; I. Pascual. Averaged Stokes polarimetry applied to characterize parallel-aligned liquid crystal on silicon displays. Proc. SPIE 9216, Optics and Photonics for Information Processing VIII, 92160H (September 19, 2014); doi:10.1117/12.2061581
Abstract: Parallel-aligned liquid crystal on silicon (PA-LCoS) displays have become the most attractive spatial light modulator device for a wide range of applications, due to their superior resolution and light efficiency, added to their phase-only capability. Proper characterization of their linear retardance and phase flicker instabilities is a must to obtain an enhanced application of PA-LCoS. We present a novel polarimetric method, based on Stokes polarimetry, we have recently proposed for the measurement of the linear retardance in the presence of phase fluctuations. This can be applied to electrooptic devices behaving as variable linear retarders, and specifically to PA-LCoS. The method is based on an extended Mueller matrix model for the linear retarder containing the time-averaged effects of the instabilities. We show experimental results which validate the predictive capability of the method. The calibrated retardance and phase fluctuation values can then be used to estimate the performance of the PA-LCoS device in spatial light modulation applications. Some results will be given.
Sponsor: This work was supported by the Ministerio de Trabajo y Competitividad of Spain under projects FIS2011-29803-C02-01 and FIS2011-29803-C02-02 and by the Generalitat Valenciana of Spain (projects PROMETEO/2011/021 and ISIC/2012/013).
URI: http://hdl.handle.net/10045/42240
ISBN: 978-1-62841-243-7
ISSN: 0277-786X
DOI: 10.1117/12.2061581
Language: eng
Type: info:eu-repo/semantics/article
Rights: Copyright 2014 Society of Photo-Optical Instrumentation Engineers. This paper was published in Proceedings of SPIE, vol. 9216, 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.
Peer Review: si
Publisher version: http://dx.doi.org/10.1117/12.2061581
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