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Abstract #1357

SNR Enhancement by Free Local Resonators for Traveling Wave MRI

Xiaoliang Zhang 1,2 , Yong Pang 1 , and Daniel B Vigneron 1,2

1 Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, CA, United States, 2 UC Berkeley/UCSF Joint Bioengineering Program, San Francisco, CA, United States

One of drawbacks of traveling wave MRI is its relatively low signal-to-noise ratio (SNR) due to the use of far fields in excitation and reception. In this work, we present and investigate a method based on free local resonator to improve MR SNR in traveling wave MR. In vivo imaging in rats performed using the proposed free local resonator method at 7T shows a significantly SNR gain over the traditional traveling wave MR.

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