Planar Butler Matrix Technology for 7 Tesla MRI

@inproceedings{Yazdanbakhsh2008PlanarBM,
  title={Planar Butler Matrix Technology for 7 Tesla MRI},
  author={Pedram Yazdanbakhsh and Andreas Bitz and Stephan Orzada and Oliver Kraff and Mark E. Ladd and Klaus Solbach},
  year={2008}
}
Introduction Variation of the B1 field distribution at high field causes variation of the flip angles inside the patient’s body which leads to shading in the acquired images. Numerous methods have been proposed to mitigate B1 inhomogeneity. More recently, it was shown that “B1 shimming” can be performed using multiple transmitters [1,2], but utilizing these additional transmit channels effectively is extremely critical. Arrays formed from the orthogonal modes of a Degenerate Birdcage Coil (DBC… CONTINUE READING

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