31 May 2017 New photosensitive systems for volume phase holography
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Abstract
Volume phase holographic elements are becoming attractive thanks to the large efficiency and good optical quality. They are based on photosensitive materials where a modulation of the refractive index is induced. In this paper, we highlight the strategies to obtain a change in the refractive index in a dielectric material, namely a change in the material density and/or in the molecular polarizability. Moreover, we show the results achieved for materials that undergo the photo-Fries reaction as function of the molecular structure and the illumination conditions. We also report the results on a system based on the diazo Meldrum’s acid where volatile molecules are produced upon light exposure.
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Andrea Bianco, Andrea Bianco, Letizia Colella, Letizia Colella, Paola Galli, Paola Galli, Alessio Zanutta, Alessio Zanutta, Chiara Bertarelli, Chiara Bertarelli, } "New photosensitive systems for volume phase holography", Proc. SPIE 10233, Holography: Advances and Modern Trends V, 102330L (31 May 2017); doi: 10.1117/12.2264908; https://doi.org/10.1117/12.2264908
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