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Proceedings Paper

Low polymerization-shrinkage nanoparticle-polymer composite films based on thiol-ene photopolymerization for holographic data storage
Author(s): Yasuo Tomita; Eiji Hata; Koji Omura; Satoru Yasui
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Paper 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 8×10-3 and 1014 cm/J, respectively, in the green, larger than the minimum acceptable values of 0.005 and 500 cm/J for holographic data storage.

Paper Details

Date Published: 18 May 2010
PDF: 7 pages
Proc. SPIE 7722, Organic Photonics IV, 772229 (18 May 2010); doi: 10.1117/12.854793
Show Author Affiliations
Yasuo Tomita, The Univ. of Electro-Communications (Japan)
Eiji Hata, The Univ. of Electro-Communications (Japan)
Koji Omura, The Univ. of Electro-Communications (Japan)
Satoru Yasui, The Univ. of Electro-Communications (Japan)

Published in SPIE Proceedings Vol. 7722:
Organic Photonics IV
Paul L. Heremans; Reinder Coehoorn; Chihaya Adachi, Editor(s)

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