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Abstract #1557

Metasurface-based wireless coil to control RF magnetic field distribution inside 1.5T MR scanner.

Egor Kretov1, Alena Shchelokova1, and Alexey Slobozhanyuk1

1ITMO University, Saint Petersburg, Russian Federation

We demonstrate a new metasurface-based wireless coil for 1.5T MRI. A simple working frequency adjusting method let using it in a wide frequency range up to 5 MHz that make it compatible with MRI systems of different manufacturers. The design of the coil allows manipulating the radiofrequency magnetic field profile inside the large body coil improving its transceive efficiency in the target area. Phantom imaging with proposed coil approves that by changing the size of the working region is also possible to decrease the excitation power needed to provide optimal flip angle.

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