Title :
Challenging the lumped birdcage coil model for high-field MRI
Author :
Puddu, Claudio ; Fanti, A. ; Curreli, Nicola ; Mazzarella, G.
Author_Institution :
Dept. of Electr. & Electron. Eng., Univ. of Cagliari, Cagliari, Italy
Abstract :
An evaluation of the present approach to the design of birdcage RF coils for RMI, based on periodic lumped circuit, has been performed. It appears that, for coils bigger than λ/6, a more accurate model is required, to reduce the trial-and-error tuning of the coil.
Keywords :
magnetic resonance imaging; receiving antennas; transmitting antennas; RMI; high-field MRI; lumped birdcage coil model; periodic lumped circuit; trial-and-error tuning; Coils; Conductors; Inductance; Integrated circuit modeling; Magnetic fields; Magnetic resonance imaging; Resonant frequency; Birdcage Coil Model; Birdcage RF coils; MRI;
Conference_Titel :
Antennas and Propagation Conference (LAPC), 2014 Loughborough
Conference_Location :
Loughborough
DOI :
10.1109/LAPC.2014.6996383
