After synthesizing tow chromophores with imine, we prepared acrylic nonlinear optical (NLO) polymers that contained the chromophores for all-optical wavelength converters in optical fiber communication. The polymers show high d(33),35 pm.V-1, at 2.55 mum (pumping beam), considering their low losses, -3.0 dB.cm(-1), at a wavelength of 0.785 mum (near second harmonic signal beam of the pumping beam). This result means that the polymers are good candidates for wavelength converters of an approximately 1.55 mum signal beam.