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Characterization of coupling in planar array coils with arbitrary element geometries

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4 Author(s)
Wright, S.M. ; Dept. of Electr. Eng., Texas A&M Univ., College Station, TX, USA ; Porter, J.R. ; Boyer, J. ; Bankson, J.

A method is presented which rapidly characterizes the mutual impedance between elements in array coils for MR imaging as a function of offset distances between elements. These “coupling surfaces” allow the designer to quickly determine the overlap distances which minimize coupling between array elements. The method allows arbitrary element geometries and a layered, planar media. Additionally, because the Green's functions and current distributions are stored in Fourier space, the transverse field distributions are easily obtained, allowing the weighting coefficients form image combination to be determined

Published in:

Engineering in Medicine and Biology Society, 1994. Engineering Advances: New Opportunities for Biomedical Engineers. Proceedings of the 16th Annual International Conference of the IEEE

Date of Conference:

3-6 Nov 1994