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Abstract #1576

A dipole antenna array with “flipped” high dielectric constant (HDC) material for improved SNR at 10.5 Tesla

Myung Kyun Woo1, Lance DelaBarre1, Russell Lagore1, Steve Jungst1, Michael T Lanagan2, Thane Bonnett2, Qing X Yang2, Riccardo Lattanzi3, Kamil Ugurbil1, and Gregor Adriany1
1Center for Magnetic Resonance Research, Minneapolis, MN, United States, 2Penn state University, Centre County, PA, United States, 3Radiology at NYU Grossman School of Medicine, New York University, New York, NY, United States

In the previous work, we evaluated the transmit performance of 10.5 T RF coils composed of dipole antennas and high dielectric constant (HDC) ceramic materials with a “Normal” (Dipole - HDC - Sample) and a counterintuitive “Flipped” geometry (HDC – Dipole - Sample) positioning. Now we evaluated the receive performance of such an array structure with these setups both in simulations and experiments. The “flipped” setup showed notable periphery SNR improvement and suggest some promise for the UHF receiver arrays.

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