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. Author manuscript; available in PMC: 2016 Oct 31.
Published in final edited form as: IEEE Trans Ultrason Ferroelectr Freq Control. 2015 Mar;62(3):475–493. doi: 10.1109/TUFFC.2014.006788

Fig. 17.

Fig. 17

(a) Normalized temporal profile and (b) amplitude spectrum of the excitation pulse employed in the experimental studies. The dashed line in (b) marks the center frequency of excitation pulse at 2.09 MHz.