Design of a double-layered quadruple-nuclear birdcage coil system for 1H / 19F / 23Na/31P MR imaging at 3T
Nan Li1,2, Feng Du1,2, Xiaoliang Zhang3, Xin Liu1,2, Hairong Zheng1,2, and Ye Li1,2
1Lauterbur Imaging Research Center, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China, 2Key Laboratory for Magnetic Resonance and Multimodality Imaging of Guangdong Province, Shenzhen, China, 3Department of Biomedical Engineering, State University of New York, Buffalo, NY, United States
The lower natural abundance and gyromagnetic ratios of non-hydrogen nuclei require the use of a highly efficient RF coil to optimize the quality of the MR image and spectroscopy. In this study, a new quadruple-tuned RF coil system capable of 1H / 19F / 23Na /31P imaging was proposed, including the inner high-pass birdcage coil (31P) and a triple-tuned outer four-ring birdcage coil (1H / 19F / 23Na). The feasibility and performance of this proposed RF coil were evaluated and validated by the numerical electromagnetic simulation in the scattering parameters and B1+field distributions.
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