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In this paper, we report the development of optical fiber laser-generated-focused-ultrasound (LGFU) transducers for intravascular therapies. By combining advantages of fiber optics and photoacoustics, high frequency (>10 MHz), high pressure (> 10 MPa), short pulse (<10 ns) shock waves can be generated from a small aperture (<1 mm in diameter), which is immune to electromagnetic noise....
Laser ultrasound transducers, converting the laser pulses into acoustic waves with high frequency, broadband and high pressure amplitude, is attractive to many biomedical and industrial applications. In this paper, nanocomposites consisting of carbon nanomaterials, PDMS and PVDF were incorporated into a transducer structure for ultrasound transmitting and receiving. The prototyped nanocomposite transducers...
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