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. 2018 Sep 5;144(3):1160–1169. doi: 10.1121/1.5052260

FIG. 7.

FIG. 7.

(Color online) Metrics of inertial cavitation activity—probability (left), persistence (center), and noise level (right)—measured in the agarose gel phantom for the transducers with the F-numbers of 0.77 (triangles), 1.01 (squares), and 1.52 (circles). The rightmost panel represents broadband noise levels corrected for the difference in the sensitivity of PCD within the focal regions of the three transducers [see Fig. 4(b)]. The arrows indicate the output level corresponding to the formation of fully developed shock at the focus; shocks with smaller amplitudes form within 10% of that output level.