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11 October 2012 Photorefractive composite based on monolithic polymer
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Abstract
A new class of photorefractive (PR) composite based on a fully functionalized polymer with high phase-stability is reported. The polymer containing nonlinear optical (NLO) chromophore and charge-transporting carbazole moieties is synthesized by a polymer analogous reaction. The polymer is doped with plasticizer, NLO dye and sensitizer to fabricate the PR composite. The NLO dye is the same as the NLO chromophore moiety in the polymer side chain. PR performance of the composite is evaluated by degenerated four wave mixing and two-beam coupling measurements. Diffraction efficiency of 30% at relatively low applied electric field of 45 Vμm-1 is achieved. Despite a high concentration of NLO dye, the composites show good stability for a long period without phase separation.
© (2012) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
H. N. Giang, K. Kinashi, W. Sakai, and N. Tsutsumi "Photorefractive composite based on monolithic polymer", Proc. SPIE 8474, Optical Processes in Organic Materials and Nanostructures, 847410 (11 October 2012); https://doi.org/10.1117/12.928024
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