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Novel electro-optic measurement technique for coplanar electrode-poled polymers

A novel measurement technique for characterizing both the real and imaginary parts of the electro-optic r33 and r13 coefficients of in-plane poled polymer thin films is proposed and demonstrated. Efficient in plane poling with applied DC fields up to 200 V/micrometers was achieved. A r33 of 12.5 pm/V at the 1.3 micrometers wavelength was measured for a polyurethane disperse red 19 polymer. 'Push-pull' modulation was demonstrated.