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Abstract #0761

Wireless coil based on meta-technologies for MRI implementations

Alena Shchelokova1, Alexey Slobozhanyuk1,2, Irina Melchakova1, Andrew Webb3, Yuri Kivshar1,2, and Pavel Belov1

1Department of Nanophotonics and Metamaterials, ITMO University, St.Petersburg, Russian Federation, 2Nonlinear Physics Center, Research School of Physics and Engineering, Australian National University, Canberra, Australia, 3Department of Radiology, Leiden University Medical Center, Leiden, Netherlands

We demonstrate experimentally how to improve the performance of MRI by employing wireless coil based on a hybrid tunable metasurface. We fabricate metasurface formed by an array of nonmagnetic metallic wires with high permittivity dielectric loads and investigate it in 1.5 T MRI machine. The metasurface enhances the SNR value in more than 7 times in the region of interest in comparison with the birdcage coil and 2 times versus the dedicated flat local coil.

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