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Abstract #3170

A novel decoupling technique for multiple-row microstrip transceiver array designs

Xinqiang Yan 1,2 , Long Wei 2 , Rong Xue 1 , and Xiaoliang Zhang 3

1 State Key Laboratory of Brain and Cognitive Science, Beijing MRI Center for Brain Research, Institute of Biophysics, Chinese Academy of Sciences, Beijing, Beijing, China, 2 Key Laboratory of Nuclear Analysis Techniques, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, Beijing, China, 3 Department of Radiology and Biomedical Imaging, University of California San Francisco and UCSF/UC Berkeley Joint Graduate Group in Bioengineering, San Francisco, California, United States

Compared with regular single-row transceiver coil arrays, multiple-row arrays exhibit larger imaging coverage and the capability of parallel imaging and parallel excitation along z-direction. The main challenge in designing multiple-row microstrip array is to attain sufficiently decoupling among coil elements from adjacent rows. In this study, a novel decoupling technique was proposed to address this problem. Both the bench test and MR imaging results demonstrate that the proposed technique could reduce the strong coupling (-7.9 dB) between microstrip elements from adjacent rows to a sufficiently small value (-25.3 dB).

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