Enhanced RF Excitation Homogeneity by Combining TEM and Counter Rotating 
Current Surface Coil Array: Numerical Simulations and Experiments at 4.0 T

Oh, S; Avdievich, NI; Pan, JW; Hetherington , HP; Collins, CM

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Enhanced RF Excitation Homogeneity by Combining TEM and Counter Rotating Current Surface Coil Array: Numerical Simulations and Experiments at 4.0 T

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https://cds.ismrm.org/protected/10MProceedings/files/1_program.htm
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Oh, S., Avdievich, N., Pan, J., Hetherington, H., & Collins, C. (2010). Enhanced RF Excitation Homogeneity by Combining TEM and Counter Rotating Current Surface Coil Array: Numerical Simulations and Experiments at 4.0 T. Poster presented at ISMRM-ESMRMB Joint Annual Meeting 2010, Stockholm, Sweden.

Cite as: https://hdl.handle.net/21.11116/0000-0002-A4EF-8

Abstract

Here we present simulated and experimental results combining an array of counter rotating current (CRC) surface coils and a TEM volume coil in transmission. The combination provides better homogeneity than the TEM alone for excitation, and simulated results are in good agreement with experiment for combining a 4-element array with the TEM. Further simulation shows a much improved result for increasing the number of CRC coils in the array to 8.