Abstract #1128

High dielectric constant (HDC) disk dipoles for 10.5T imaging

Russell L Lagore¹, Lance DelaBarre¹, Qing X Yang², Michael Lanagan³, Yigitcan Eryaman¹, Sebastian Rupprecht², Wei Luo³, Byeong-Yeul Lee¹, Xiao-Hong Zhu¹, Kamil Ugurbil¹, Wei Chen¹, and Gregor Adriany¹

¹Center for Magnetic Resonance Research, University of Minnesota, Minneapolis, MN, United States, ²Center of NMR Research, Department of Radiology and Neurosurgery, Penn State College of Medicine, University Park, PA, United States, ³Materials Science and Engineering, Pennsylvania State University, University Park, PA, United States

A small coil element is developed for 10.5T imaging by affixing an end-loaded 82mm long dipole to a high dielectric constant (HDC) flat disk. This coil element produces localized but very high B₁ fields similar to a loop of a similar diameter without suffering from diverging B₁⁺ and B₁^- that loops experience at high field. Furthermore, these elements are inherently highly decoupled in all possible spatial configurations, making them well suited to use in large, densely packed transmit arrays.

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