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Poster

Analytical Performance Evaluation and Optimization of Resonant Inductive Decoupling (RID)

MPS-Authors
/persons/resource/persons133452

Eschelbach,  M
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/persons84402

Henning,  A
Research Group MR Spectroscopy and Ultra-High Field Methodology, Max Planck Institute for Biological Cybernetics, Max Planck Society;
Max Planck Institute for Biological Cybernetics, Max Planck Society;

/persons/resource/persons133464

Avdievich,  NI
Research Group MR Spectroscopy and Ultra-High Field Methodology, Max Planck Institute for Biological Cybernetics, Max Planck Society;
Max Planck Institute for Biological Cybernetics, Max Planck Society;

External Resource

http://www.ismrm.org/15/program_files/MonEPS03.htm
(Publisher version)

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Citation

Kuehne, A., Laistler, E., Eschelbach, M., Henning, A., Moser, E., & Avdievich, N. (2015). Analytical Performance Evaluation and Optimization of Resonant Inductive Decoupling (RID). Poster presented at 23rd Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2015), Toronto, Canada.


Cite as: https://hdl.handle.net/11858/00-001M-0000-002A-4618-8
Abstract
We derive an analytical framework for analyzing the coil power efficiency impact of resonant inductive decoupling (RID) for arbitrary channel coils. It is applied to a two-channel array, and analytical expressions for load power deposition dependent on the resistive coupling factor, degree of coupling compensation and relative driving phase shift between elements are derived. The results show that coil performance can be enhanced or degraded by RID, depending on the exact coil application scenario, and great care needs to be taken in a practical setup.