Integrated RF-shim coil allowing two degrees of freedom shim current
- Resource Type
- Conference
- Authors
- Zhou, Jiazheng; Chu, Ying-Hua; Hsu, Yi-Cheng; Wu, Pu-Yeh; Stockmann, Jason P.; Lin, Fa-Hsuan
- Source
- 2016 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC) Engineering in Medicine and Biology Society (EMBC), 2016 IEEE 38th Annual International Conference of the. :6246-6249 Aug, 2016
- Subject
- Bioengineering
Radio frequency
Signal to noise ratio
Magnetic fields
Inductors
Receivers
Phantoms
- Language
- ISSN
- 1557-170X
1558-4615
High-quality magnetic resonance imaging and spectroscopic measurements require a highly homogeneous magnetic field. Different from global shimming, localized off-resonance can be corrected by using multi-coil shimming. Previously, integrated RF and shimming coils have been used to implement multi-coil shimming. Such coils share the same conductor for RF signal reception and shim field generation. Here we propose a new design of the integrated RF-shim coil at 3-tesla, where two independent shim current paths are allowed in each coil. This coil permits a higher degree of freedom in shim current distribution design. We use both phantom experiments and simulations to demonstrate the feasibility of this new design.