Synthesis of a photo-crosslinked electro-optic polymer and its electro-optic measurement

A novel three-dimensional electro-optic polymer containing photo-crosslinka ble group was synthesized. 4-Nitroaniline and cinnamyl were introduced onto the polymer matrix of bis-A-epoxy as the electro-optic chromophore and pho tosensitive chromophore respectively. A thermal stable polymeric electro-op tic film was prepared by spin-coating, followed by the corona poling and ph oto-crosslinking reaction in the late poling phase, An external electro-opt ic measuring system based on the electro-optic film was fabricated, by whic h the electric signals propagating on the coplanar waveguide were measured.