Abstract #1050

Plasma antennas in MRI: A four-channel transmit-receive plasma array at 3T

Markus Düring^1,2, Sebastian Außenhofer^3,4, Daniel Gensler^2,5, Cord Meyer¹, Andrew G. Webb³, Peter Michael Jakob^1,2, and Florian Fidler²

¹Experimental Physics 5, University of Wuerzburg, Würzburg, Germany, ²Magnetic Resonance and X-ray Imaging MRB, Developement Center X-ray Technology EZRT Fraunhofer Institute for Integrated Circuits IIS, Würzburg, Germany, ³C.J. Gorter Center for High Field MRI, Leiden University Medical Center, Leiden, Netherlands, ⁴Noras MRI products GmbH, Höchberg, Germany, ⁵Comprehensive Heart Failure Center (CHFC), University of Wuerzburg, Würzburg, Germany

In this work a new type of antenna array based on plasma columns was designed, and the feasibility of using such an array for both transmit and signal reception was investigated. A four-channel plasma antenna array for a 3T whole-body scanner was designed and constructed. Images were successfully acquired for the first time, and negligible mutual coupling of the individual array elements was observed. Both acquired signal-to-noise maps and the acquired images show a great potential, particularly due to the absence of mutual coupling of the individual array elements.

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