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. Author manuscript; available in PMC: 2011 Jul 1.
Published in final edited form as: Ultrason Imaging. 2011 Apr;33(2):134–142. doi: 10.1177/016173461103300204

Fig. 2.

Fig. 2

Pressure waveforms for the water and 12.4% graphite phantom. These waveforms show the large pressure amplitude decrease when the phantom is placed between the ultrasound transducer and the hydrophone and confirmed the frequency content of the through-transmission pulse at 2.3 MHz.