Abstract #0138

A non-resonant leaky-wave coil for UHF body imaging

Georgiy Solomakha¹, Jan Taro Svejda^2,3, Carel van Leeuwen⁴, Rustam Balafendiev¹, Andreas Rennings^2,3, Alexander Raaijmakers^4,5, Stanislav Glybovski¹, and Daniel Erni^2,3

¹The Department of Physics and Engineering, ITMO University, Saint Petersburg, Russian Federation, ²General and Theoretical Electrical Engineering (ATE), Faculty of Engineering and General and Theoretical Electrical Engineering (ATE), Faculty of Engineering, University of Duisburg-Essen, Duisburg, Germany, ³Center for Nanointegration Duisburg-Essen, Duisburg, Germany, ⁴Imaging Division, UMC Utrecht, Utrecht, Netherlands, ⁵Medical Image Analysis, Biomedical Engineering, Technical University of Eindhoven, Eindhoven, Netherlands

Ultra-high field (field strength higher than 7 Tesla) body imaging is an extensively developing field. Since at such Larmor frequencies of 298 MHz or higher volume (birdcage or TEM) coils are not efficient due to interference effects, surface or volume transmit arrays are commonly used. To obtain homogenous filed in ROI so-called RF-shimming procedure is commonly used. In this work, we present a new radiative RF-coil array for UHF MRI of the human body, based on a wideband non-resonant leaky wave antenna.

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