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. Author manuscript; available in PMC: 2013 Sep 1.
Published in final edited form as: Ultrasonics. 2012 Mar 29;52(7):803–808. doi: 10.1016/j.ultras.2012.03.002

Fig. 3.

Fig. 3

Visualization of beam's focus using Rhodamine B dye: (a) Surface of the transducer. (b) Fluorescence images taken before (left) and after (right) ultrasound application (scale bar = 50 μm).