High Acoustic Impedance and Attenuation Backing for High-Frequency Focused P(VDF-TrFE)-Based Transducers. - Sean Toffessi Siewe; Samuel Callé; François Vander Meulen; Damien Valente; Jean-Marc Grégoire; Aline Banquart; Stéphanie Chevalliot; Arnaud Capri; Franck Levassort (Sensors, 2023)