Abstract #4186

B1+ and Temperature Analysis in Two UHF RF Coils

Sossena Wood¹, Tales Santini², Nadim Farhat², Tiago Martins³, Narayanan Krishnamurthy³, and Tamer S Ibrahim^2,4

¹Bioengineering, University of Pittsburgh, Cranberry Twp, PA, United States, ²Bioengineering, University of Pittsburgh, Pittsburgh, PA, United States, ³University of Pittsburgh, Pittsburgh, PA, United States, ⁴Radiology, University of Pittsburgh, Pittsburgh, PA, United States

Our work makes a comparison of the RF performance of a TEM resonator and a TTT coil on a 2-compartment agar phantom. While the results show lower B1+/RF power efficiency for the TTT coil when compared to the TEM coil, the temperature rise in the TEM coil is higher (resulting in lower B1+/SAR efficiency) for a fixed average B1+ intensity across the volume of the coil load.

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