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. Author manuscript; available in PMC: 2022 Sep 1.
Published in final edited form as: IEEE Trans Ultrason Ferroelectr Freq Control. 2021 Aug 27;68(9):2884–2895. doi: 10.1109/TUFFC.2021.3073347

Fig. 1.

Fig. 1.

Schematic diagram of the experimental setup. A single 1 ms HIFU pulse was delivered to each location in the agarose gel, and the ensuing cavitation bubble activity was observed using coaxial passive cavitation detection (PCD) and high-speed photography with backlighting. The relative timing of the HIFU pulse, high-speed camera recording, and PCD recording are illustrated on the right.