Abstract #3547

Simulated phase of driving voltage for travelling wave MRI with a parallel-plate waveguide at 7 T

Fabian Vazquez¹, Sergio Solis¹, Rodrigo Martin¹, and Alfredo O Rodriguez²

¹Physics Department, Faculty of Sciences, UNAM, Mexico, DF, Mexico, ²Dep Electrical Engineering, UAM Iztapalapa, Mexico DF, Mexico

Travelling wave magnetic resonance imaging (twMRI) offers to overcome the inhomogeneities due to the standing wave patterns, and the use of coil arrays with multiple coil elements. The excitation of the spins have been commonly done with RF surface coils, dipole and patch antennas, etc. The resonant device should be able to generate an adequate magnetic field to transmit the signal to a distant object using a waveguide. In this paper, we numerically simulated the magnetic field of the principal mode (TM₀) as a function of the driving voltage phase.

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