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A 150-MHz-Bandwidth Membrane Hydrophone for Acoustic Field Characterization
To measure the beam parameters of intravascular ultrasound imaging transducers with operating center frequencies exceeding 20 MHz and beamwidths below 200 micrometers, a hydrophone with a spot diameter less than 50 micrometers and a bandwidth greater than 150 MHz is required. The hydrophone described in this article is a step towards meeting these
by by Paul Lum, Michael Greenstein, Edward D. Verdonk, Charles Grossman, Jr., and Thomas L. Szabo
 Article 1 - aug98a1.pdf
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