Spatial phase encoding exploiting the Bloch–Siegert shift effect

  title={Spatial phase encoding exploiting the Bloch–Siegert shift effect},
  author={Ralf Kart{\"a}usch and Toni Drie\ssle and T. Kampf and Thomas Christian Basse-L{\"u}sebrink and Uvo H{\"o}lscher and Peter M. Jakob and Florian Fidler and Xavier Helluy},
  journal={Magnetic Resonance Materials in Physics, Biology and Medicine},
The present work introduces an alternative to the conventional $$B_{0}$$ B 0 -gradient spatial phase encoding technique. By applying far off-resonant radiofrequency (RF) pulses, a spatially dependent phase shift is introduced to the on-resonant transverse magnetization. This so-called Bloch–Siegert (BS) phase shift has been recently used for $$B_{1}^{ + }$$ B 1 + -mapping. The current work presents the theoretical background for the BS spatial encoding technique (BS-SET) using RF-gradients… CONTINUE READING

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