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Spatial profile of the eZOOM refocusing pulse (panel a) with the x-axis in units of centimeters. Panel b the frequency profile of the eZOOM RF pulse is shown, with x-axis in kilohertz. The y-axes are given in arbitrary units of magnitude. The center of the pulse (0 Hz offset) is set to have a flip angle of 180°, with the two side lobes at fat resonance frequency for 3T creating a flip angle of 270° in fat tissue.
