Low polymerization-shrinkage nanoparticle-polymer composite films based on thiol-ene photopolymerization for holographic data storage

Yasuo Tomita; Eiji Hata; Koji Omura; Satoru Yasui

doi:10.1117/12.854793

18 May 2010 Low polymerization-shrinkage nanoparticle-polymer composite films based on thiol-ene photopolymerization for holographic data storage

Yasuo Tomita, Eiji Hata, Koji Omura, Satoru Yasui

Author Affiliations +

Proceedings Volume 7722, Organic Photonics IV; 772229 (2010) https://doi.org/10.1117/12.854793
Event: SPIE Photonics Europe, 2010, Brussels, Belgium

Abstract

We demonstrate volume holographic recording in nanoparticle-polymer composites using thiol-ene monomers capable of step-growth polymerization by which shrinkage can be reduced as low as 0.2%. The reduced shrinkage is comparable to other low-shrinkage dry photopolymer systems such as those including a high content of inert binder components and using monomers capable of cationic ring-opening polymerization. It is shown that the thiol-ene based organic nanoparticle-polymer composites possess the refractive index modulation and the material sensitivity of 8×10^-3and 1014 cm/J, respectively, in the green, larger than the minimum acceptable values of 0.005 and 500 cm/J for holographic data storage.

Citation Download Citation

Yasuo Tomita, Eiji Hata, Koji Omura, and Satoru Yasui "Low polymerization-shrinkage nanoparticle-polymer composite films based on thiol-ene photopolymerization for holographic data storage", Proc. SPIE 7722, Organic Photonics IV, 772229 (18 May 2010); https://doi.org/10.1117/12.854793

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