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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