Linearity in the response of photopolymers as optical recording media

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Title: Linearity in the response of photopolymers as optical recording media
Authors: Gallego, Sergi | Márquez, Andrés | Martínez Guardiola, Francisco Javier | Riquelme Morell, Marina | Fernandez, Roberto | Pascual, Inmaculada | Beléndez, Augusto
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: Diffraction | Gratings | Holography | Photopolymers | Optical storage materials
Knowledge Area: Óptica | Física Aplicada
Date Created: 7-Feb-2013
Issue Date: 26-Apr-2013
Publisher: Optical Society of America
Citation: GALLEGO, Sergi, et al. "Linearity in the response of photopolymers as optical recording media". Optics Express. Vol. 21, No. 9 (6 May 2013). ISSN 1094-4087, pp. 10995-11008
Abstract: Photopolymer are appealing materials for diffractive elements recording. Two of their properties when they are illuminated are useful for this goal: the relief surface changes and the refractive index modifications. To this goal the linearity in the material response is crucial to design the optimum irradiance for each element. In this paper we measured directly some parameters to know how linear is the material response, in terms of the refractive index modulation versus exposure, then we can predict the refractive index distributions during recording. We have analyzed at different recording intensities the evolution of monomer diffusion during recording for photopolymers based on PVA/Acrylamide. This model has been successfully applied to PVA/Acrylamide photopolymers to predict the transmitted diffracted orders and the agreement with experimental values has been increased.
Sponsor: This work was supported by the Ministerio de Economía y Competitividad of Spain under projects FIS2011-29803-C02-01 and FIS2011-29803-C02-02 and by the Generalitat Valenciana of Spain under projects PROMETEO/2011/021 and ISIC/2012/013.
ISSN: 1094-4087
DOI: 10.1364/OE.21.010995
Language: eng
Type: info:eu-repo/semantics/article
Rights: This 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: Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.
Peer Review: si
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