A new RF tagging pulse based on the Frank poly-phase perfect sequence

Christoffer Laustsen, Marcus Greferath, Steffen Ringgaard, Niels Chr. Nielsen, Jan Henrik Ardenkjær-Larsen

    Research output: Contribution to journalJournal articleResearchpeer-review


    Radio frequency (RF) spectrally selective multiband pulses or tagging pulses, are applicable in a broad range of magnetic resonance methods. We demonstrate through simulations and experiments a new phase-modulation-only RF pulse for RF tagging based on the Frank poly-phase perfect sequence. In addition, we introduce an extended version with a WURST modulation (Frank-WURST). The new pulses exhibit interesting and flexible spin tagging properties and are easily implemented in existing MR sequences, where they can substitute slice-selective pulses with no additional alterations.
    Original languageEnglish
    JournalJournal of Magnetic Resonance
    Pages (from-to)50-53
    Number of pages4
    Publication statusPublished - 2014


    • MRI
    • Spin tagging
    • Frank
    • Poly-perfect sequence


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