Acoustic metasurfaces for efficient matching of non-contact ultrasonic transducers
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DOI: 10.1088/1361-665x/ac085a
Abstract: Air-coupled ultrasonic techniques based on rapid and contactless inspection are useful for various applications, such as ranging finding, surface profile measurement, and non-destructive evaluation. However, impedance matching issues between air and piezoelectric materials lead to… read more here.
Keywords: metasurfaces efficient; acoustic metasurfaces; ultrasonic transducers; matching non ... See more keywords