Highly transparent ZrO(2) nanoparticle-dispersed acrylate photopolymers for volume holographic recording

We demonstrate and characterize volume holographic recording in ZrO(2) nanoparticle-dispersed acrylate photopolymer films that have very low scattering loss. More than thirty-fold reduction in the scattering coefficient, as compared with those of previously reported TiO(2) nanoparticle-dispersed pho...

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Bibliographic Details
Published in:Optics express 2006-12, Vol.14 (26), p.12712-12719
Main Authors: Suzuki, Naoaki, Tomita, Yasuo, Ohmori, Kentaroh, Hidaka, Motohiko, Chikama, Katsumi
Format: Article
Language:English
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Summary:We demonstrate and characterize volume holographic recording in ZrO(2) nanoparticle-dispersed acrylate photopolymer films that have very low scattering loss. More than thirty-fold reduction in the scattering coefficient, as compared with those of previously reported TiO(2) nanoparticle-dispersed photopolymers, is achieved. It is shown that the refractive index modulation as high as 5.3x10(-3), together with substantive photopolymerization-shrinkage suppression, is obtained at the nanoparticle concentration of 15 vol.%. Dependences of nanoparticle concentration and grating spacing on the refractive index modulation are also investigated.
ISSN:1094-4087