Abstract #4800
Box Shaped Monopole Antenna for RF Excitation at 9.4T MRI
Irena Zivkovic 1 and Klaus Scheffler 1,2
1
High Field MRI, Max Planck Institute for
Biological Cybernetics, Tuebingen, Germany,
2
Center
for Integrative Neuroscience, Universuty of Tuebingen,
Tuebingen, Germany
It is a big challenge to produce as homogeneous as
possible B1+ field with single channel antenna in
traveling wave configuration. For that purpose, we
proposed a new and very simple antenna concept. Antenna
is entirely made of copper and without any lumped
elements. By small changes in geometry different RF
excitation patterns can be produced. We presented design
that produced as homogeneous as possible B1+ field in
sagittal, coronal and transversal planes. The second
proposed design produced B1+field pattern in lower brain
and neck region.
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