Abstract #3465

Nonagonal Metamaterial-Loaded Open Waveguide for Enhanced Traveling-Wave MRI

Sergio Enrique Solis-Najera¹, Saul Rivera de la Luz¹, Jelena Lazovic², and Alfredo Odon Rodriguez³

¹Departamento de Fisica, UNAM, Mexico City, Mexico, ²Department of Physical Intelligence, Max Planck Institute for Intelligent Systems, Stuttgart, Germany, ³Department of Electrical Engineering, Universidad Autonoma Metropolitana Iztapalapa, Mexico City, Mexico

Synopsis

Keywords: Non-Array RF Coils, Antennas & Waveguides, Non-Array RF Coils, Antennas & Waveguides, traveling wave MRI

Motivation: Enhancing Traveling-Wave MRI at 7 Tesla using a nonagon Geometry metamaterial in an open waveguide.

Goal(s): Enhance the image quality of images obtained through the traveling-wave approach by utilizing a nonagonal-shaped metamaterial-loaded open waveguide.

Approach: This approach involves a nonagonal-shaped metamaterial-loaded open waveguide filled with a saline solution, complemented by a transceiver designed with a bio-inspired surface coil.

Results: Images obtained using the nonagonal-shape metamaterial-loaded waveguide exhibited a significantly improved signal-to-noise ratio and closely matched the image quality achieved with our in-house birdcage coils.

Impact: enhance travelling wave MRI approach at 7 Tesla

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