Keywords: High-Field MRI, RF Arrays & Systems, Coupling
Motivation: To gain a better understanding of electromagnetic (EM) interactions in RF coil designs by visualizing their EM flow.
Goal(s): Identifying the dominant coupling mechanism in different coil types through visualization of electric and magnetic fields and power flow.
Approach: Simulating conventional, shielded-coaxial-cable (SCC), twisted pair coils, and square loops (self-decoupled coils) to visualize their EM fields using streamlines.
Results: Diverse coupling behaviors are observed among the coil types, each demonstrating unique dominant mechanisms. A high resemblance in the EM flow between the self-decoupled coil and the SCC and twisted pair coils was found.
Impact: Identifying the dominant coupling mechanism in different coil designs with streamlines can help in adjusting the coil design for maximum interelement decoupling when placed in an array configuration.
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