Abstract #3133
A combined electric dipole and loop head coil for 7T head imaging
Gang Chen 1,2 , Karthik Lakshmanan 1 , Daniel Sodickson 1 , and Graham Wiggins 1
1
Center for Advanced Imaging Innovation and
Research (CAI2R) and Center for Biomedical Imaging,
Department of Radiology, New York University School of
Medicine, New York, NY, United States,
2
The
Sackler Institute of Graduate Biomedical Science, New
York University School of Medicine, New York, NY, United
States
At 7T the combination of loops and electric dipole
antennas can provide higher central SNR in a body sized
object than is possible with loop coils alone. An array
of dipoles has been demonstrated for head imaging, and
was shown to provide extended coverage in z compared to
a standard birdcage, but suffered from low central SNR
compared to loop-based coils. We investigate the
addition of a loop array to the previously constructed
dipole array. The dipole array is used for transmit and
receive to explore the benefits of combining loops and
dipoles for increased SNR in 7T head imaging.
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