Abstract:Medical ultrasound is an imaging technique that utilizes ultrasonic signals as information carriers, and has wide applications such as seeing internal body structures and finding the sources of an internal diseases. The most used ultrasonic transducer today is based on piezoelectricity. The piezoelectric transducer, however, may have a limited bandwidth and insufficient sensitivity for reduced element size. In this work we demonstrate the generation of wideband ultrasound pulses using high power diode lasers (… Show more
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