Abstract
The effect of polymer matrices on the nonlinear-optical properties of composite materials with guest chromophores containing a divinylquinoxaline π-electronic bridge has been investigated. Poly(methyl methacrylate) and different methacrylic copolymers as well as epoxy-amine oligomers with azo chromophores in the backbone or as side groups have been used as polymer matrices. The use of a polymer matrix containing carboxylic groups has resulted in significant decrease in the nonlinear-optical coefficient d33 as compared to the case of poly(methyl methacrylate) matrix with a guest chromophore content of 20 wt%. For materials with binary chromophores, d33 values of the studied materials have been higher than for conventional composites.
Published Version
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