Continuous SWIFT

Djaudat Idiyatullin, Steven Suddarth, Curtis A. Corum, Gregor Adriany, Michael Garwood

Research output: Contribution to journalArticlepeer-review

36 Scopus citations


This work describes our first efforts to implement SWIFT (SWeep Imaging with Fourier Transformation) in continuous mode for imaging and spectroscopy. We connected a standard quadrature hybrid with a quad coil and acquired NMR signal during continuous radiofrequency excitation. We utilized a chirped radiofrequency pulse to minimize the instantaneous radiofrequency field during excitation of the spin system for the target flip angle and bandwidth. Due to the complete absence of "dead time", continuous SWIFT has the potential to extend applications of MRI and spectroscopy in studies of spin systems having extremely fast relaxation or broad chemical shift distributions beyond the range of existing MRI sequences.

Original languageEnglish (US)
Pages (from-to)26-31
Number of pages6
JournalJournal of Magnetic Resonance
StatePublished - Jul 2012


  • Continuous wave
  • MRI
  • Spectroscopy
  • Sweep Imaging

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