Simple model for the design of polymeric piezoelectric ultrasonic transducers

An electrical equivalent circuit model for piezoelectric transducers, incorporating mechanical and dielectric losses of polymeric sensor materials has been used to analyze the performance of broadband ultrasonic transducers in the time and frequency domains. The model provides a close agreement between the simulated and experimentally observed dynamic responses of the piezoelectric transducers which were designed and fabricated with ferroelectric polymer sensor materials and an epoxy-tungsten composite as a backing material