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Abstract #4895

Fast method to compute the electromagnetic field inside a model of the human head surrounded by a dielectric pad

Giuseppe Carluccio 1 , Switt Kittivittayakul 2 , Piergiorgio Uslenghi 2 , Christopher Michael Collins 1 , and Danilo Erricolo 2

1 Bernard and Irene Schwartz Center for Biomedical Imaging, New York University School of Medicine, New York, New York, United States, 2 Electrical and Computer Engineering, University of Illinois at Chicago, Chicago, Illinois, United States

High permittivity dielectric pads have become popular for their ability to locally enhance the B_1 field in the region of interest, especially in tissues close to the pad. Commonly, it is challenging to have a strong signal in regions close to the center of the head, and it is hard to predict the effect of the use of dielectric materials in those locations. In this work a fast exact analytical method is proposed to compute the electromagnetic field at the center of a model of the human head. The method can be useful to design optimal dielectric pads.

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