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A simple approach to overcoming mutual coupling effects in some transmit array coils for magnetic resonance imaging

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5 Author(s)
McDougall, M.P. ; Biomedical Engineering Department, Texas A&M University, College Station, USA ; Knight, Jason M. ; Eigenbrodt, Edwin E. ; Wright, S.M.
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Single Echo Acquisition (SEA) is a method of completely parallel MR imaging that uses coil elements for spatial localization during receive, replacing the need for phase encoding repetitions. In this receive-only form, SEA imaging requires the use of a phase compensation gradient, the value of which is dependent on coil geometry, imaging distance from the elements, and element orientation. Operation of the arrays in transmit-receive mode, while adding significant complexity, is one potential method of eliminating the restrictions imposed by the phase compensation gradient. This abstract examines a straightforward current-splitting technique to enable parallel transmission for studying the complicated field interactions of these array coils in transmit mode.

Published in:

Engineering in Medicine and Biology Society, 2008. EMBS 2008. 30th Annual International Conference of the IEEE

Date of Conference:

20-25 Aug. 2008

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