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. Author manuscript; available in PMC: 2014 Dec 1.
Published in final edited form as: IEEE Trans Ultrason Ferroelectr Freq Control. 2013 Dec;60(12):2471–2487. doi: 10.1109/TUFFC.2013.2847

Figure 2.

Figure 2

Diagrams of the five different ARFI beam sequences that were investigated in this study. Downward arrows represent excitation beams, while upward arrows represent tracking beams. The width of the downward arrows signifies the focal configuration (F/#), with the narrow arrows representing F/1.5 and the wide arrows representing F/3. Figures are not drawn to scale.