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Abstract #4583

On the signal strength of Simultaneous Transmission and Reception (STAR) acquisition: EPG simulation and analysis

Gehua Tong1, Sairam Geethanath2, and John Thomas Vaughan2

1Biomedical Engineering, Columbia University, New York, NY, United States, 2MR Research Center, Columbia University, New York, NY, United States

Simultaneous Transmission And Reception (STAR) has the potential to remove the constraint of temporal separation between transmission and reception. In principle, much shorter acquisition times with significantly higher signal strength compared to pulsed sequences should be achievable. However, the signal characteristics differ from that of the conventional pulsed-RF framework. In this work, we characterize STAR characteristics with extended phase graph (EPG) simulation. We show the signal evolution from a simple STAR experiment as well as how tissue contrast could be generated in steady state.

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