Abstract #2138

End-Loaded Dipole Array for 10.5T Head Imaging

Russell Luke Lagore¹, Lance DelaBarre¹, Jinfeng Tian¹, Gregor Adriany¹, Yigitcan Eryaman¹, and J. Thomas Vaughan¹

¹Center for Magnetic Resonance Research, University of Minnesota, Minneapolis, MN, United States

The feasibility of human head imaging at 10.5T is demonstrated by the successful acquisition of in vivo porcine head images. This is achieved with an 8-element end-loaded dipole array resonant at 10.5T (447MHz). This dipole array is compared in terms of transmit efficiency and signal-to-noise ratio to a high-pass birdcage coil and loop array at 3T, 7T, and 10.5T. All coils share identical dimensions and element count. While both transmit arrays have comparable SNR performance at 7T, the dipole array is inferior in terms of transmit efficiency compared to the loop array and birdcage coil at all field strengths examined.

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