Abstract #1753

Interferences of local B0-shim coils and RF coils on a 3T MRI scanner

Qiaoyan Chen^1,2, Jo Lee^1,2, Jianghong Wen^1,2, Chao Zou^1,2, Xiaoliang Zhang^3,4, Xin Liu^1,2, and Ye Li^1,2

¹Lauterbur Imaging Research Center, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China, ²Shenzhen Key Laboratory for MRI, Shenzhen, China, ³Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, CA, United States, ⁴UCSF/UC Berkeley Joint Graduate Group in Bioengineering, San Francisco, CA, United States

In this work, we quantitatively studied the impact of the local shim coil to RF coil in a combined B0 shim coil and RF coil system in terms of SNR, transmit B1⁺ and receive B1. By using the results as a design guideline, a 5-channel shim coil was constructed, of which interferences on RF coils were minimized with the appropriate shim coil diameters, number of turns and distances between the shim coil and the sample.

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