Abstract
During the past several years, focused ultrasonic transducers operating at center frequencies near 50 MHz have become available for pulse-echo imaging.1 The large bandwidths (e.g., 30 MHz) and narrow beamwidths (e.g., 75 urn) afforded by these transducers have greatly increased the resolution attainable for examining superficial segments of the body.
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Lizzi, F.L., Kalisz, a., Astor, M., Coleman, D.J., Silverman, R.H., Reinstein, D.Z. (1997). Very-High Frequency Ultrasonic Imaging and Spectral Assays of the Eye. In: Lees, S., Ferrari, L.A. (eds) Acoustical Imaging. Acoustical Imaging, vol 23. Springer, Boston, MA. https://doi.org/10.1007/978-1-4419-8588-0_17
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DOI: https://doi.org/10.1007/978-1-4419-8588-0_17
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