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Conference Paper

Investigation of decoupling between MRI array elements

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Avdievich,  N
Department High-Field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Max Planck Society;
Max Planck Institute for Biological Cybernetics, Max Planck Society;

External Resource

https://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=6686884
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Citation

Kozlov, M., Turner, R., & Avdievich, N. (2013). Investigation of decoupling between MRI array elements. In 43rd European Microwave Conference (EuMC 2013) (pp. 1223-1226). Piscataway, NJ, USA: IEEE.


Cite as: https://hdl.handle.net/11858/00-001M-0000-001A-14B6-2
Abstract
We evaluated properties of a resonant inductive decoupling (RID) network used for decoupling of a two-channel loop array. We show that three previously published designs for an RID network can each be represented by an equivalent circuits providing similar behavior. An array with an RID can be optimized by an RF circuit optimizer without requiring analytical solutions for optimal RID component values. An RID can compensate both resistive and reactive components of the S-parameter matrix, but cannot eliminate power deposition by overlapped electrical fields in conductive tissues. The RID with the largest relative frequency shift gives the greatest reduction of the influence of the RID leakage field on the array near-field profile.