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Abstract #1050

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

Markus Düring1,2, Sebastian Außenhofer3,4, Daniel Gensler2,5, Cord Meyer1, Andrew G. Webb3, Peter Michael Jakob1,2, 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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