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. Author manuscript; available in PMC: 2009 Nov 1.
Published in final edited form as: J Magn Reson. 2008 Aug 30;195(1):76–84. doi: 10.1016/j.jmr.2008.08.012

Figure 7.

Figure 7

Rows 1-3 are simulated excitation profiles of the 180° spin-echo at three z-positions (0, ± 0.33 cm.) along the excited slice for various RF design techniques. The fourth row illustrates the effect of B0 inhomogeneity on the excitation profile due to VERSEing. This effect can be mitigated by re-optimization via Powell optimization.