Abstract #2520

Multi-layered radiofrequency coil design for X-nuclei Imaging

Tony Zhou^1,2, Justin Lau^1,2, Andrew Tyler^1,2, Chris Randell³, Jack Miller^1,2,4, and Damian Tyler^1,2

¹Department of Physiology, Anatomy and Genetics, University of Oxford, Oxford, United Kingdom, ²Oxford Centre for Clinical Magnetic Resonance Research, University of Oxford, Oxford, United Kingdom, ³Pulse Teq Ltd, Woking, United Kingdom, ⁴Department of Physics, University of Oxford, Oxford, United Kingdom

A novel multi-layered radiofrequency coil for X-nuclei imaging is presented which implements stacked layers for improved B1+ and SNR. The multi-layer design increased B1+ by 27% in ²³Na phantom experiments and 19% in electromagnetic simulations compared to a single layer coil. Transmit-receive efficiency for a ¹³C multi-layer coil was double that of a quadrature coil, requiring half the power to achieve a 90° flip. An averaged SNR map from CSI indicated receive sensitivity gain of 33% from the quadrature to multi-layer design.

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