3 Dimensional analysis of holographic photopolymers based memories

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Title: 3 Dimensional analysis of holographic photopolymers based memories
Authors: Gallego, Sergi | Ortuño, Manuel | Neipp, Cristian | Márquez, Andrés | Beléndez, Augusto | Pascual, Inmaculada | Kelly, John V. | Sheridan, John T.
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 | University College Dublin. Departament of Electronic and Electrical Engineering
Keywords: Holography | Holographic recording materials | Volume holographic gratings
Knowledge Area: Óptica | Física Aplicada
Date Created: 16-Mar-2005
Issue Date: 2-May-2005
Publisher: Optical Society of America
Citation: GALLEGO RICO, Sergi, et al. "3 Dimensional analysis of holographic photopolymers based memories". Optics Express. Vol. 13, No. 9 (May 2005). ISSN 1094-4087, pp. 3543-3557
Abstract: One of the most interesting applications of photopolymers is as holographic recording materials for holographic memories. One of the basic requirements for this application is that the recording material thickness must be 500 μm or thicker. In recent years many 2-dimensional models have been proposed for the analysis of photopolymers. Good agreement between theoretical simulations and experimental results has been obtained for layers thinner than 200 μm. The attenuation of the light inside the material by Beer’s law results in an attenuation of the index profile inside the material and in some cases the effective optical thickness of the material is lower than the physical thickness. This is an important and fundamental limitation in achieving high capacity holographic memories using photopolymers and cannot be analyzed using 2-D diffusion models. In this paper a model is proposed to describe the behavior of the photopolymers in 3-D. This model is applied to simulate the formation of profiles in depth for different photopolymer viscosities and different intensity attenuations inside the material.
Sponsor: This work was supported by the "Oficina de Ciencia y Tecnología" (Generalitat Valenciana, Spain) under project GV01-130 GV04A/574 and GV04A/565, and by Science Foundation Ireland (SFI) Enterprise Ireland.
URI: http://hdl.handle.net/10045/9138
ISSN: 1094-4087
DOI: 10.1364/OPEX.13.003543
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: http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-13-9-3543. 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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