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Meeting Abstract

RF Shimming Capabilities at 9.4 Tesla using a 16-channel Dual-Row Array

MPS-Authors
/persons/resource/persons83973

Hoffmann,  J
Department High-Field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Max Planck Society;
Max Planck Institute for Biological Cybernetics, Max Planck Society;

/persons/resource/persons84213

Shajan,  G
Department High-Field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Max Planck Society;
Max Planck Institute for Biological Cybernetics, Max Planck Society;

/persons/resource/persons84187

Scheffler,  K
Department High-Field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Max Planck Society;
Max Planck Institute for Biological Cybernetics, Max Planck Society;

/persons/resource/persons84145

Pohmann,  R
Department High-Field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Max Planck Society;
Max Planck Institute for Biological Cybernetics, Max Planck Society;

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https://www.ismrm.org/13/session29.htm
(Abstract)

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Citation

Hoffmann, J., Shajan, G., Scheffler, K., & Pohmann, R. (2013). RF Shimming Capabilities at 9.4 Tesla using a 16-channel Dual-Row Array. In 21st Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2013).


Cite as: https://hdl.handle.net/11858/00-001M-0000-0013-B49E-8
Abstract
Multi-row arrays offer improved coverage in z-direction along with the capability to control the B1+ field in all spatial dimensions for high-field applications. This can be used to trade B1+ homogeneity against power efficiency in arbitrary volumes, depending on the desired application. However, numerical simulations must be provided to assess local SAR. In this work, we demonstrate the RF phase shimming capability of an inductively decoupled dual-row array for 9.4 T neuroimaging using time-domain simulations together with circuit co-simulation as well as RF shimmed, in vivo TSE and MP2RAGE images.