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Abstract #3091

Design of a shielded coil element of a matrix gradient coil

Feng Jia 1 , Sebastian Littin 1 , Kelvin Layton 1 , Stefan Kroboth 1 , Huijun Yu 1 , Jrgen Hennig 1 , and Maxim Zaitsev 1

1 Dept. of Radiology, University Medical Center Freiburg, Freiburg, BW, Germany

Spatial encoding with nonlinear magnetic fields (SEMs) has raised increasing interest in the past few years. Matrix coils consisted of multiple coil elements appear to offer a high flexibility in generating customized SEMs and are particularly promising for localized high resolution imaging applications such as PatLoc . However, existing coil elements of those matrix coils cannot lead to an optimal performance according to the measure of matrix coils. In this work, an optimization problem is formulated that results in optimal designs of novel, high-performance coil elements of a matrix coil. Two parameters are proposed to assess the performance of different coil elements. The results are tested and the analysis reveals novel features of coil element designs.

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