Abstract #2129

Traveling wave MR using an array of regular RF resonators

Xinqiang Yan^1,2 and Xiaoliang Zhang³

¹Institute of Imaging Science, Vanderbilt University, Nashville, TN, United States, ²Radiology, Vanderbilt University, Nashville, TN, United States, ³Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, CA, United States

In this study, we investigate the feasibility of using regular microstrip resonators as RF array elements for traveling wave parallel imaging. In the proposed microstrip array, electromagnetic decoupling between the array elements is sufficient for the practical use. Additionally, geometric factors and diverse B1 fields from individual array elements can be obtained in a relatively large area in the magnet bore. Furthermore, in non-accelerated imaging applications, this decoupled multi-channel traveling wave method could improve sensitivity of traveling wave MRI, which is currently a main issue for traveling wave MRI.

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