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Opt Lett. 2008 Aug 1;33(15):1750-2.

Improved thermal stability of volume holograms recorded in nanoparticle--polymer composite films.

Author information

  • 1Department of Electronics Engineering, University of Electro-Communications, 1-5-1 Chofu-gaoka, Chofu, Tokyo 182-8585, Japan. ytomita@ee.uec.ac.jp

Abstract

We examine thermal distortions of volume holograms recorded in (meth)acrylate photopolymers doped with SiO(2) or ZrO(2) nanoparticles. A holographic method is used to evaluate the temperature-induced Bragg-angle detuning of recorded volume holograms as a result of thermally induced refractive index and dimensional changes. It is found that the incorporation of inorganic nanoparticles into photopolymer leads to the effective suppression of these thermal changes, thereby extending the range of operating temperatures for their use in photonic applications.

PMID:
18670525
[PubMed]
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