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. Author manuscript; available in PMC: 2015 Nov 1.
Published in final edited form as: J Magn Reson Imaging. 2014 Jan 24;40(5):1165–1173. doi: 10.1002/jmri.24473

Figure 5.

Figure 5

Measured field profiles obtained as the S21 measurement between a shielded pickup loop and the Helmholtz coil in FCE and non-FCE mode, unloaded and asymmetrically loaded. Each profile is normalized to its respective maximum. The FCE maintains excellent homogeneity, comparable to the completely unloaded case, even in the presence of asymmetric loading.