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Epoxy Based Non-Linear Optical Polymers Functionalized With Chromophores Containing Tricyanovinyl Group
Published online by Cambridge University Press: 10 February 2011
Abstract
Two types of second-order nonlinear optical epoxy-based polymers functionalized with tricyanovinyl chromophores were synthesized. One was prepared by azo coupling between an epoxy prepolymer and 4-tricyanovinylaniline while the other was synthesized by reacting the epoxy prepolymer with tetracyanoethylene. The d33 for the polymers were determined to be 243 and 178 pm/V at 1.064 μm respectively. Retentions of deff value of 83% and 65% were observed after the polymers had been heated at 80°C for 1000 hours.
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