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Renhart, W; Biro, O; Wach, P; Stollberger, R.
Investigation of the resonance behavior of a MR-birdcage applying a 3-D-FEM code
IEEE TRANS MAGN 2001 37: 3688-3692. Doi: 10.1109/20.952691
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Co-authors Med Uni Graz: Stollberger Rudolf
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Abstract:: For NIR-imaging processes, high precision in the homogeneity of the static magnetic field (B) over right arrow (0) and of the high frequency transversal field (B) over right arrow (1) is extremely important. Investigations on the behavior of the field (B) over right arrow (1). in a widely used birdcage resonator type consisting of twelve rods are presented in this paper. On coil systems for (B) over right arrow (0)-fields of 1.5 T and of 4.0 T the field requirements at resonance will be discussed. Special attention is paid to the influence of necessary RF-shields. The numerical simulations of the resonators are done using a 3D finite element code, based on an edge element formulation.
Find related publications in this database (Keywords): birdcage resonator; edge elements; finite element method