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Abstract #3181

Active Decoupling of RF Coils: Application to 3D MRI with Concurrent Excitation and Acquisition

Ali Caglar Ozen 1,2 , Michael Bock 1 , and Ergin Atalar 2

1 Radiology, Medical Physics, University Medical Center Freiburg, Freiburg, Germany, 2 Electrical and Electronics Engineering, Bilkent University, Ankara, Turkey

3D MRI with concurrent excitation and acquisition (CEA) is implemented with active decoupling of radio frequency coils. The transmit coil is geometrically decoupled from the receive coil, and the remaining B1-induced voltages in the receive coil during CEA are minimized by the second transmit coil using a careful adjustment of the phase and amplitude settings in this coil. CEA MR images could be reconstructed from an ex vivo animal.

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