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Abstract #3737

B1 improvement of a birdcage coil using a flexible metamaterials at 7 T

Sergio Solis-Najera1, Jelena Lazovic2, Rodrigo Ruiz1, Fabian Vazquez1, and Alfredo Odon Rodriguez3
1Departamento de Fisica, UNAM, Mexico City, Mexico, 2Department of Physical Intelligence, Max Planck Institute for Intelligent Systems, Stuttgart, Germany, 3Electrical Engineering, UAM Iztapalapa, Mexico City, Mexico

Synopsis

Keywords: RF Arrays & Systems, RF Arrays & Systems

This work presents a flexible metasurface to improve the B1 and the image SNR of a transceiver quadrature birdcage coil for preclinical MRI applications at 7 T. The metasurface was not tuned so no passive components were used. The imaging phantom was entirely covered with the metasurface and produced an improvement of both B1 and the SNR. This easy-to-implement approach offers an alternative to improve the B1 field for preclinical applications at high field.

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Keywords