Abstract #0761

Wireless coil based on meta-technologies for MRI implementations

Alena Shchelokova¹, Alexey Slobozhanyuk^1,2, Irina Melchakova¹, Andrew Webb³, Yuri Kivshar^1,2, 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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