Summary
Methacrylate polymers bearing pendant stilbene chromophore containing 4′-dialkylamino electron donor and 4-hexylsulfonyl electron acceptor has been synthesized. Owing to the introduced flexible alkyl chain to the NLO chromophore terminal group, soluble polymers was obtained up to 64 mol % of chromophore monomer portion in the copolymer. These amorphous polymers exhibited good filmforming abilities, thermal stability, and excellent optical clarity. The electrooptic coefficient (r33) as high as 6.4 pm/V were measured at 1.3 μm by reflection method. These polymers were easily photobleached by irradiation of light at 350∼450 nm wavelength for lateral confinement in channel waveguide.
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Hyung-Jongee, Kim, HK., Lee, MH. et al. Synthesis and electro-optical properties of methacrylate polymers containing hexyl sulfone stilbene chromophore. Polymer Bulletin 36, 279–285 (1996). https://doi.org/10.1007/BF00319226
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DOI: https://doi.org/10.1007/BF00319226