Abstract #2136

Design of quadrature-compensated double-tuned RF surface coil using trap circuits

Chang-Hoon Choi ¹, YongHyun Ha¹, Arthur W. Magill¹, and N. Jon Shah^1,2

¹Institute of Neuroscience and Medicine-4, Research Centre Juelich, Juelich, Germany, ²Faculty of Medicine, Department of Neurology, JARA, RWTH Aachen University, Aachen, Germany

A novel double tuned (¹H/²³Na) butterfly/loop surface coil using LCC traps was designed whereby the sodium mode was operated in a quadrature. The performance of this coil was evaluated on a 4T whole-body scanner and compared with a single-tuned butterfly and a loop coil. Images obtained by the quadrature-compensated double-tuned RF coil were more uniform in each slice and the SNRs were slightly higher over the selected ROIs compared to those from the reference coils.

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