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Título:
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Diffusion study in tailored gratings recorded in photopolymer glass with high refractive index species
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Autores:
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Martínez Matos, Óscar ;
Calvo Padilla, María Luisa ;
Rodrigo Martín-Romo, José Augusto ;
Cheben, Pavel ;
Monte Muñoz de la Peña, Francisco del
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Tipo de documento:
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texto impreso
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Editorial:
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American Institute of Physics, 2007-10-01
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Dimensiones:
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application/pdf
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Nota general:
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info:eu-repo/semantics/openAccess
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Idiomas:
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Palabras clave:
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Estado = Publicado
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Materia = Ciencias: Física: Optica
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Tipo = Artículo
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Resumen:
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We report results on the temporal evolution of the diffraction efficiency of volume holographic gratings recorded in a photopolymer glass incorporating Zr-based high refractive index species (HRIS) at molecular level. We record high spatial frequency gratings in this material with diffraction efficiencies near 100%. A two-component diffusion model is introduced for the evolution of refractive index modulation in darkness. Diffusion parameters for the Zr-based HRIS and monomer components have been determined. Codirectional diffusion of both components is demonstrated. The results show the feasibility for tailoring in this photomaterial holographic gratings with high diffraction efficiency over a wide range of spatial frequencies. (C) 2007 American Institute of Physics.
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En línea:
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https://eprints.ucm.es/id/eprint/25201/1/Martinez-Matos16libre.pdf
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