Analysis of PVA/AA based photopolymers at the zero spatial frequency limit using interferometric methods
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Título: | Analysis of PVA/AA based photopolymers at the zero spatial frequency limit using interferometric methods |
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Autor/es: | Gallego, Sergi | Márquez, Andrés | Méndez Alcaraz, David Israel | Ortuño, Manuel | Neipp, Cristian | Fernandez-Varo, Helena | Pascual, Inmaculada | Beléndez, Augusto |
Grupo/s de investigación o GITE: | Holografía y Procesado Óptico |
Centro, Departamento o Servicio: | Universidad de Alicante. Departamento de Física, Ingeniería de Sistemas y Teoría de la Señal | Universidad de Alicante. Departamento de Óptica, Farmacología y Anatomía |
Palabras clave: | Holography | Holographic recording materials | Photopolymers |
Área/s de conocimiento: | Óptica | Física Aplicada |
Fecha de creación: | 6-feb-2008 |
Fecha de publicación: | 10-may-2008 |
Editor: | Optical Society of America |
Cita bibliográfica: | GALLEGO RICO, Sergi, et al. "Analysis of PVA/AA based photopolymers at the zero spatial frequency limit using interferometric methods". Applied Optics. Vol. 47, No. 14 (May 2008). ISSN 0003-6935, pp. 2557-2563 |
Resumen: | One of the problems associated with photopolymers as optical recording media is the thickness variation during the recording process. Different values of shrinkages or swelling are reported in the literature for photopolymers. Furthermore, these variations depend on the spatial frequencies of the gratings stored in the materials. Thickness variations can be measured using different methods: studying the deviation from the Bragg's angle for nonslanted gratings, using MicroXAM S/N 8038 interferometer, or by the thermomechanical analysis experiments. In a previous paper, we began the characterization of the properties of a polyvinyl alcohol/acrylamide based photopolymer at the lowest end of recorded spatial frequencies. In this work, we continue analyzing the thickness variations of these materials using a reflection interferometer. With this technique we are able to obtain the variations of the layers refractive index and, therefore, a direct estimation of the polymer refractive index. |
Patrocinador/es: | 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 Generalitat Valenciana under project GV06-007. |
URI: | http://hdl.handle.net/10045/9192 |
ISSN: | 0003-6935 (Print) | 1539-4522 (Online) |
DOI: | 10.1364/AO.47.002557 |
Idioma: | eng |
Tipo: | info:eu-repo/semantics/article |
Derechos: | This paper was published in Applied Optics 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/ao/abstract.cfm?URI=ao-47-14-2557. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law. |
Revisión científica: | si |
Aparece en las colecciones: | INV - GHPO - Artículos de Revistas |
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Archivo | Descripción | Tamaño | Formato | |
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AO_v47_n14_p2557_2008.pdf | 1,22 MB | Adobe PDF | Abrir Vista previa | |
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