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- Title
Impact of number of channels on RF shimming at 3T.
- Authors
Childs, Alexander S; Malik, Shaihan J; O'Regan, Declan P; Hajnal, Joseph V
- Abstract
At high-field strengths (≥3T) inhomogeneity of the radio frequency (RF) field and RF power deposition become increasingly problematic. Parallel Transmission (PTx)--the use of segmented transmission arrays with independently driven elements--affords the ability to combat both of these issues. There are a variety of existing designs for PTx coils, ranging from systems with two channels to systems with eight or more. In this work, we have investigated the impact of the number of independent channels on the achievable results for both homogeneity improvement and power reduction in vivo.
- Publication
Magma (New York, N.Y.), 2013, Vol 26, Issue 4, p401
- ISSN
1352-8661
- Publication type
Journal Article
- DOI
10.1007/s10334-012-0360-5