Box Shaped Monopole Antenna for RF Excitation at 9.4T MRI

Zivkovic, I; Scheffler, Klaus

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Box Shaped Monopole Antenna for RF Excitation at 9.4T MRI

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Zivkovic, I
Department High-Field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Max Planck Society;
Max Planck Institute for Biological Cybernetics, Max Planck Society;

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Scheffler, Klaus
Department High-Field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Max Planck Society;
Max Planck Institute for Biological Cybernetics, Max Planck Society;

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http://www.ismrm.org/14/program_files/EP17.htm
(Abstract)

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Citation

Zivkovic, I., & Scheffler, K. (2014). Box Shaped Monopole Antenna for RF Excitation at 9.4T MRI. Poster presented at Joint Annual Meeting ISMRM-ESMRMB 2014, Milano, Italy.

Cite as: https://hdl.handle.net/21.11116/0000-0001-32DD-E

Abstract

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.