20 August 2009 Blue-sensitive nanoparticle-polymer composites for volume holographic recording
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Abstract
We report on the diffraction properties of a volume hologram recorded at a wavelength of 404 nm in a ZrO2 nanoparticle-polymer compsite film. It is found that the refractive index modulation and the material recording sensitivity are as high as 8 × 10-3 and 9000 cm/J, respectively, at the ZrO2 nanoparticle concentration of 35 vol.% and a recording intensity of 5 mW/cm2. These values are comparable to or higher than those recorded at a wavelength of 532 nm. Effects of the ZrO2 nanoparticle dispersion in acrylate monomer on the polymerization kinetics are also examined by using a photo-differential scanning calorimeter. It is found that the incorporation of ZrO2 nanoparticles increases the polymerization rate.
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Koji Omura, Koji Omura, Kohshi Gotoh, Kohshi Gotoh, Yasuo Tomita, Yasuo Tomita, Kentaroh Ohmori, Kentaroh Ohmori, Motohiko Hidaka, Motohiko Hidaka, } "Blue-sensitive nanoparticle-polymer composites for volume holographic recording", Proc. SPIE 7402, Nanoengineering: Fabrication, Properties, Optics, and Devices VI, 74020X (20 August 2009); doi: 10.1117/12.828129; https://doi.org/10.1117/12.828129
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