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Novel amorphous nonlinear optical (NLO) polymers with modified polyimide backbones and functionalized azo chromophores have been synthesized for applications as electro-optic materials. The most attractive aspects of these polymers are the ease of modification of the NLO side-chain chromophores and the high thermal stability provided by glass transition temperatures in excess of 140 °C. The dispersion of the linear and nonlinear optical properties of these polymers has been determined. The time-temperature behaviour of the chromophore relaxation has been modeled to obtain estimates of the lifetimes of electro-optic devices using these polymers.
© 1993 Optical Society of America
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