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Torus-shaped dielectric resonator for 7T musculoskeletal imaging

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http://pubman.mpdl.mpg.de/cone/persons/resource/persons84402

Koning W, Klomp DW, Kroeze H, Maderwald S, Henning,  A
Department High-Field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Max Planck Society;

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Citation

Bluemink, J., Koning W, Klomp DW, Kroeze H, Maderwald S, Henning, A., Luijten PR, Lagendijk, J., & van den Berg, C. (2012). Torus-shaped dielectric resonator for 7T musculoskeletal imaging. Talk presented at 20th Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2012). Melbourne, Australia.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0013-B756-E
Abstract
A torus-shaped dielectric resonator is introduced and a proof of concept is given for imaging at 7T. Due to the relatively high frequency of 300 MHz, water can be used as a dielectric while the torus has practical dimensions. Experimental B1+ patterns show good comparison to those obtained in numerical simulations. In-vivo images of the human calf at 7T are obtained using the torus as a transmit/receive coil.