Direct analysis of monomer diffusion times in polyvinyl/acrylamide materials

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Title: Direct analysis of monomer diffusion times in polyvinyl/acrylamide materials
Authors: Gallego, Sergi | Márquez, Andrés | Méndez Alcaraz, David Israel | Neipp, Cristian | Ortuño, Manuel | Beléndez, Augusto | Fernandez-Varo, Helena | 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
Keywords: Holography | Holographic recording materials | Photopolymers
Knowledge Area: Física Aplicada | Óptica
Date Created: 7-Aug-2007
Issue Date: 21-Feb-2008
Publisher: American Institute of Physics
Citation: GALLEGO RICO, Sergi, et al. "Direct analysis of monomer diffusion times in polyvinyl/acrylamide materials". Applied Physics Letters. Vol. 92, Issue 7 (18 Febr. 2008). ISSN 0003-6951, pp. 073306-1/3
Abstract: We propose an alternative, direct method to calculate monomer diffusion times in photopolymer materials. Very long period gratings are recorded in the photopolymer, and the real time variation in diffraction efficiency due to monomer diffusion is then analyzed. In photopolymers, monomer diffusion plays a fundamental role in hologram formation. However, since many interrelated parameters affect hologram formation, the usual techniques do not allow for an independent estimation of monomer diffusion times. The direct method proposed is applied to two polyvinyl based photopolymers with different molecular weights.
Sponsor: This work was supported by the “Ministerio de Educación y Ciencia (Spain)” under projects FIS2005-05881-C02-01 and FIS2005-05881-C02-02, and by the “Generalitat Valenciana” under Project GV06/007.
ISSN: 0003-6951 (Print) | 1077-3118 (Online)
DOI: 10.1063/1.2836948
Language: eng
Type: info:eu-repo/semantics/article
Rights: Copyright 2008 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.
Peer Review: si
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