Abstract #4398

Feasibility exploration of constructing volume RF coil with coupled dipole antennas at 9.4T

Shasha Yue¹, Chao Luo^2,3, Nan Li^2,3, Jo Lee^2,3, Qiaoyan Chen^2,3, Ye Li^2,3, and Xiaoliang Zhang^4,5

¹Institute of Biophysics, Chinese Academy of Sciences, Beijing, China, ²Lauterbur Imaging Research Center, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China, ³Shenzhen Key Laboratory for MRI, Shenzhen, China, ⁴Department of Radiology and Biomedical Imaging, University of California, San Francisco, CA, United States, ⁵UCSF/UC Berkeley Joint Graduate Group in Bioengineering, San Francisco, CA, United States

Dipole antenna, a simple resonator structure, has demonstrated a unique capability of achieving high resonant frequency and utility in MR imaging. Theoretically, this simple resonator structure could be advantageous for building non-array volume RF coil design for ultrahigh field MR imaging applications. In this work, we explore the feasibility of using dipole antenna as resonant element to design non-array volume coils for the ultrahigh field 9.4T MR imaging. The results show that the dipole antennas have sufficient coupling among the resonator elements to create multi-mode resonances and form uniform B1 field distribution within the volume coil at 400 MHz.

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