%0 Journal Article %A Monte Muñoz de la Peña, Francisco del %A Martínez Matos, Óscar %A Rodrigo Martín-Romo, José Augusto %A Calvo Padilla, María Luisa %A Cheben, Pavel %T A volume holographic sol-gel material with large enhancement of dynamic range by incorporation of high refractive index species %D 2006 %@ 0935-9648 %U https://hdl.handle.net/20.500.14352/51045 %X Improved performance of volume holographic sol-gel materials-refractive index modulations in the 10^2 range, diffraction efficiencies near 100 %, and low levels of noise scattering-are reported that arise from the incorporation of Zr-based high refractive index species capable of diffusing from dark to bright fringes of the interference pattern (see figure). %~