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. Author manuscript; available in PMC: 2007 Sep 27.
Published in final edited form as: J Acoust Soc Am. 2006 Aug;120(2):676–685. doi: 10.1121/1.2214131

FIG. 2.

FIG. 2

(Color online) Comparison of the measured pressure wave forms by the FOPH and the PVDF membrane hydrophone in the 1.1 MHz HIFU field produced at a peak-to-peak output voltage of 50 mV with 15 dB insert attenuation.