Photopolymerizable sol-gel nanocomposites for holographic recording



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Calvo Padilla, María Luisa and Cheben, Pavel (2009) Photopolymerizable sol-gel nanocomposites for holographic recording. Journal of Optics A. Pure and Applied Optics, 11 (2). ISSN 1464-4258

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The research into new photosensitive materials with advanced performance for holographic applications is an active branch in material science and photonics, still challenging the field. We proposed a new class of volume hologram recording materials, sol-gel nanocomposites, with important advantages for various holographic applications, including data storage. Here we review several aspects of different types of photosensitive sol-gel glasses that we have developed. Our photopolymerizable glasses exhibit high refractive index modulation, diffraction efficiencies close to the theoretical maxima, along with low scattering and negligible shrinkage. Beside these and other practical advantages discussed in this paper, our recently developed nanocomposite glass incorporating high refractive index species has enabled fundamental studies of new optical phenomena such as the Pendellosung effect, which was observed for the first time in the optical band.

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© 2009 IOP Publishing Ltd.
We thank Óscar Martínez-Matos, Francisco del Monte and José A. Rodrigo for invaluable help and many insightful discussions. The financial support of the Spanish Ministry of Education and Science (project no. TEC2005-02180) is acknowledged.

Uncontrolled Keywords:Diffraction Efficiency, Photonic Crystals, Optical Gain, Glass, Wave, Gratings, 100-Percent, 100 % Scattering, Atoms
Subjects:Sciences > Physics > Optics
ID Code:25458
Deposited On:26 May 2014 15:04
Last Modified:31 Dec 2020 00:02

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