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Abstract #3828

Slot-Line Antenna Array for High Field Parallel Transmit MRI

Christoph Leussler1, Daniel Wirtz1, Peter Vernickel1

1Philips Research Europe, Hamburg, Germany

We demonstrate initial results on the development of slot-line Tx/Rx array antennas for MRI. While the coil elements of a conventional antenna array typically are of TEM- or loop-type, the slot-antenna is fundamentally different: it can be understood as the complementary structure to an electric dipole. According to Babinets principle, E- and B-fields are exchanged for both types of antennas. Slot antennas provide new degrees of freedom in antenna design: the operating frequency can be tuned geometrically (by adjusting the slot-size) or electrically by using (very few) resonance capacitors.