High environmental compatibility photopolymers compared to PVA/AA based materials at zero spatial frequency limit

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Title: High environmental compatibility photopolymers compared to PVA/AA based materials at zero spatial frequency limit
Authors: Gallego, Sergi | Márquez, Andrés | Ortuño, Manuel | Marini, Stephan | Francés, Jorge
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. Instituto Universitario de Física Aplicada a las Ciencias y las Tecnologías
Keywords: Holography | Holographic recording materials | Photopolymers
Knowledge Area: Fisica Aplicada | Óptica
Date Created: 25-Mar-2010
Issue Date: Jan-2011
Publisher: Elsevier
Citation: GALLEGO RICO, Sergi, et al. "High environmental compatibility photopolymers compared to PVA/AA based materials at zero spatial frequency limit". Optical Materials. Vol. 33, No. 3 (2011) ISSN 0925-3467, pp. 531-537
Abstract: In holographic applications the direct parameters determination of photopolymers as optical recording media is a very difficult task due to the presence of two different phenomena: polymer formation and monomer diffusion. We propose a direct method based on zero spatial frequency recording, to eliminate the diffusion influence, and on interferometric techniques, both in transmission and in reflection, to obtain quantitative values of: shrinkage, polymerization rate, polymer refractive index and relation between polymerization and recording intensity. Recent investigations confirm the toxic potential of acrylamide. Starting from polyvinylalcohol/acrylamide photopolymer we have proposed different compositions of new competitive photopolymers with high environmental compatibility. We have studied the ways to optimize the optical behavior and the environmental compatibility. Parameters comparison with the polyvinylalcohol/acrylamide photopolymers shows significant differences.
Sponsor: This work was supported by the "Ministerio de Ciencia e Innovación" (Spain) under projects FIS2008-05856-C02-01 and FIS2008-05856-C02-02, and by the Generalitat Valenciana (projects ACOMP/2009/150 and ACOMP/2009/160).
URI: http://hdl.handle.net/10045/20616
ISSN: 0925-3467 (Print) | 1873-1252 (Online)
DOI: 10.1016/j.optmat.2010.10.042
Language: eng
Type: info:eu-repo/semantics/article
Peer Review: si
Publisher version: http://dx.doi.org/10.1016/j.optmat.2010.10.042
Appears in Collections:INV - GHPO - Artículos de Revistas
INV - Acústica Aplicada - Artículos de Revistas
INV - GMECA - Artículos de Revistas

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