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Abstract #4398

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

Shasha Yue1, Chao Luo2,3, Nan Li2,3, Jo Lee2,3, Qiaoyan Chen2,3, Ye Li2,3, and Xiaoliang Zhang4,5

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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