Photopolymerizable polymer nanocomposites incorporated with hyperbranched polymer having ultrahigh index of refraction for holographic light manipulation

Yasuo Tomita; Hiroshi Urano; Taka-aki Fukamizu; Yasuhiro Kametani; Naoya Nishimura; Keisuke Odi

doi:10.1117/12.2187747

5 September 2015 Photopolymerizable polymer nanocomposites incorporated with hyperbranched polymer having ultrahigh index of refraction for holographic light manipulation

Yasuo Tomita, Hiroshi Urano, Taka-aki Fukamizu, Yasuhiro Kametani, Naoya Nishimura, Keisuke Odi

Author Affiliations +

Proceedings Volume 9564, Light Manipulating Organic Materials and Devices II; 95640S (2015) https://doi.org/10.1117/12.2187747
Event: SPIE Organic Photonics + Electronics, 2015, San Diego, California, United States

Abstract

We report on the volume holographic grating formation in photopolymerizable polymer nanocomposites that incorporate new hyperbranched polymers (HBPs) acting as transporting organic nanoparticles. Since HBPs are easily dispersed to acrylate monomer without any aggregation and possesses ultrahigh index of refraction of the order of 1.8 in the green due to the inclusion of triazine and aromatic ring units, volume gratings with good optical quality and refractive index changes as large as 2.2 × 10⁻² can be recorded. It is also shown that the out-of-plane thickness change due to polymerization shrinkage is reduced to 2% or lower by the HBP dispersion.

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Yasuo Tomita, Hiroshi Urano, Taka-aki Fukamizu, Yasuhiro Kametani, Naoya Nishimura, and Keisuke Odi "Photopolymerizable polymer nanocomposites incorporated with hyperbranched polymer having ultrahigh index of refraction for holographic light manipulation", Proc. SPIE 9564, Light Manipulating Organic Materials and Devices II, 95640S (5 September 2015); https://doi.org/10.1117/12.2187747

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