Abstract #1776

EM shielded spiral RF coil design for array coil decoupling at ultra-low field MRI

Yonghyun Ha¹, Kartiga Selvaganesan², Chenhao Sun¹, Zhehong Zhang², Anja Samardzija², Heng Sun², Gigi Galiana¹, and Todd Constable¹

¹Radiology and Biomedical Imaging, Yale University, New Haven, CT, United States, ²Biomedical Engineering, Yale University, New Haven, CT, United States

Synopsis

Keywords: RF Arrays & Systems, RF Arrays & SystemsWe introduced a new RF coil made with Moebius cable and RF shield bowl that can be tuned with relatively low capacitance and has good isolation between the coils at low field. B1 amplitude, isolation between the coils, and SNR of the NMR signal of the proposed coil were compared with reference coils (made with copper wire and Moebius cable without an RF shield). Both bench measurements and MR experiments have demonstrated that this coil performs well as part of a low field coil array.

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