Abstract #1449

A new non-array volume coil structure using the right-angled-end dipole antenna for ultrahigh field MR

Shasha Yue¹, Luo Chao^2,3, Zhe Wang¹, Yan Hou¹, 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

Previous work demonstrated that it is feasible to design non-array volume coils using the coupled dipole antennas. However, the weak coupling of the standard dipoles and over-length make the design difficult and also limit its utility. In this work, we propose a modified dipole structure which can be used for high frequency non-array volume coils with improved coupling. It also provides certain flexibility in coil length control. Results of the proposed design at 400 MHz and 500MHz (i.e. 9.4T and 11.7T) are presented.

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