Optically functional devices by holographic photopolymerization in nanoparticle-polymer composites

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It was shown that volume holograms recorded in nanoparticle-polymer composites(NPCs)by means of a holographic nanoparticle assembling method possessed high thermal stability. It was also shown that polymerization shrinkage of a volume hologram recorded in an NPC with SiO_2 nanoparticles and thiol-ene monomers can be reduced as low as 0.2%.In addition, volume holographic recording in semiconductor CdSe quantum dot-polymer composites with the diffraction efficiency near100%was demonstrated. It was also shown that a volume hologram recorded in an NPC could serve as a50%-50%beam splitter for a cold neutron beam.