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Abstract #2700

RF Power Considerations for Simultaneous Multi-Nuclear MRI/MRS

Stephen Edwin Ogier1, Hongli Dong1, Steve Wright1, and John Bosshard1

1Electrical & Computer Engineering, Texas A&M University, College Station, TX, United States

There are many approaches to simultaneous multi-nuclear spectroscopy, but the simplest and potentially the most elegant involves sending all frequencies through a single broadband amplifier into a single-port, multi-tuned coil. This abstract examines a complication in this approach, that of early saturation of the amplifier due to the need to amplify two signals simultaneously. A simple solution, staggering the RF pulses a small amount to avoid the overlapping of their peaks, is shown to largely avoid the problem.

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