Integrated parallel reception, excitation, and shimming (iPRES) with split DC loops for improved B0 shimming

It is a challenge to correct small spatial variations in B0 inhomogeneities with current B0 shimming implementations due to a lack of shimming spatial resolution. Building upon the Integrated Parallel Reception, Excitation and Shimming (iPRES) concept, this study improves the spatial resolution by increasing the number of independent magnetic fields available for each RF coil. Initial experiments show that the additional magnetic fields introduced for shimming show a notable improvement in B0 homogeneity root-mean-square error relative to the original iPRES design.

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