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. 2012 Dec;132(6):4069–4076. doi: 10.1121/1.4763992

TABLE I.

Transducer information specified by manufacturer

Transducer center frequency (MHz) Transducer diameter (mm) −6 dB beam diameter at focus (mm) Focal length (mm) Model (Panametrics)
2.25 6.4 1.81 16.8 a V323
5 12.7 1.23 50.8 V309
7.5 12.7 0.82 50.8 V320
10 12.7 0.62 50.8 V311
a

Near field distance for this planar transducer.