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. Author manuscript; available in PMC: 2013 Feb 1.
Published in final edited form as: Ultrasound Med Biol. 2011 Dec 16;38(2):296–311. doi: 10.1016/j.ultrasmedbio.2011.10.026

Figure 10.

Figure 10

Figure 10

Figure 10

Comparison of the radiation patterns for the axicon and standard focusing. (a) Simulated radiation pattern for a standard focus beamforming scheme with the focus at 25 mm. (b) Simulated radiation pattern for an axicon focus beamforming scheme with the near focus at 15 mm and the far focus at 35 mm. Gray scale indicates intensity in dB for (a) and (b). (c) Axial profiles for standard and axicon focusing.