Performance improvement of high-thickness photopolymers for holographic data storage applications

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Title: Performance improvement of high-thickness photopolymers for holographic data storage applications
Authors: Ortuño, Manuel | Gallego, Sergi | Márquez, Andrés | Neipp, Cristian | 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: Holography | Holographic recording materials | Photopolymers | Optical storage
Knowledge Area: Óptica | Física Aplicada
Date Created: Oct-2011
Issue Date: 23-Dec-2011
Publisher: SPIE, The International Society for Optics and Photonics
Citation: ORTUÑO SÁNCHEZ, Manuel, et al. "Performance improvement of high-thickness photopolymers for holographic data storage applications". En: Smart Nano-Micro Materials and Devices / edited by Saulius Juodkazis, Min Gu. Bellingham, Wash. : SPIE, 2011. (Proceedings of SPIE; Vol. 8204). ISBN 978-0-81948-845-9, pp. 820432-1/6
Abstract: We use 4,4' azo-bis-(4-cyanopentanoic acid) as chain transfer agent in a photopolymer with triethanolamine/yellowish eosin as initiator system. It is possible to work in a particular conditions to get a chain transfer effect minimizing the decomposition of 4,4' azo-bis-(4-cyanopentanoic acid) by the sensitized dye. The improved photopolymer has a low scattering due to the low molecular weight of the generated polymer chains. This is related to the chain transfer effect in the size of the polymer chains. It is important to establish the optimum concentration of chain transfer agent to avoid decreasing the maximum diffraction efficiency due to a low molecular weight of the polymer chains.
Sponsor: This work was supported by the “Ministerio de Ciencia e Innovación" of Spain under projects FIS2008-05856-C02-01 and FIS2008-05856-C02-02, and by the “Generalitat Valenciana" of Spain under project PROMETEO/2011/021.
ISBN: 978-0-81948-845-9
ISSN: 0277-786X
DOI: 10.1117/12.902889
Language: eng
Type: info:eu-repo/semantics/article
Rights: Copyright 2011 Society of Photo-Optical Instrumentation Engineers. This paper was published in Proceedings of SPIE, vol. 8204, 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
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