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. Author manuscript; available in PMC: 2015 Dec 21.
Published in final edited form as: Phys Med Biol. 2014 Dec 21;59(24):7717–7734. doi: 10.1088/0031-9155/59/24/7717

Figure 2.

Figure 2

a: Diagram of the cylinder used in geometrical focusing MRE method. A harmonic vibration is applied axisymmetrically on the cylinder wall along the vertical direction indicated by the arrows. b: The real and imaginary part of the displacement of planar wave at 2 kHz for a medium with μR = 60 kPa and μI = 15 kPa. c: the real and imaginary part of the displacement along the radial direction of cylindrically propagating wave generated by geometrical focusing method