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25 April 2008 On the thermal stability of volume holograms recorded in nanoparticle-polymer composite films
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Abstract
We report on measurements of thermal expansion coefficients and temperature-dependent refractive indices of nanoparticle-polymer composite films in which plane-wave volume holograms are recorded. These physical constants are evaluated for photopolymer films with the incorporation of inorganic nanoparticles or binder polymer. We show that the incorporation of inorganic nanoparticles in photopolymer is a very effective method to suppress temperature-dependent film-thickness and refractive-index changes as well as to increase the refractive index modulation and reduce polymerization shrinkage.
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Yasuo Tomita, Toshihiro Nakamura, and Atsushi Tago "On the thermal stability of volume holograms recorded in nanoparticle-polymer composite films", Proc. SPIE 6994, Photon Management III, 69940R (25 April 2008); https://doi.org/10.1117/12.783601
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