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Visualisation of ultrasonic waves launched by PVF2 piezofilm transducers

Visualisation of ultrasonic waves launched by PVF2 piezofilm transducers

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The single-cycle wavefront propagated into water by PVF2-film transducers is visualised by a stroboscopic Schlieren system, and is compared with that from conventional piezoceramic probes. For the film transducers, no edge waves can be observed, nor are they apparent in the transmit-receive impulse response.

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