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  Optimization of signal behavior in the transition to driven equilibrium in steady-state free precession sequences

Hennig, J., Speck, O., & Scheffler, K. (2002). Optimization of signal behavior in the transition to driven equilibrium in steady-state free precession sequences. Magnetic Resonance in Medicine, 48(5), 801-809. doi:10.1002/mrm.10274.

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Hennig, J, Author
Speck, O, Author
Scheffler, K1, Author           
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1External Organizations, ou_persistent22              

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 Abstract: A new technique to avoid the initial signal fluctuations in steady-state free precession (SSFP)-sequences, such as trueFISP, FIESTA, and refocused FFE, is presented. The “transition into driven equilibrium” (TIDE) sequence uses modified flip angles over the initialization phase of a SSFP experiment, which not only avoids image artifacts but also improves the signal-to-noise ratio (SNR) and contrast behavior compared to conventional approaches. TIDE is demonstrated to be robust against variations of T1 and T2, and leads to a monotonous signal evolution for off-resonance spins. The basic principles can also be applied repetitively to optimize continuous 3D acquisitions.

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 Dates: 2002-11
 Publication Status: Published in print
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 Identifiers: DOI: 10.1002/mrm.10274
BibTex Citekey: HennigSS2002
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Title: Magnetic Resonance in Medicine
Source Genre: Journal
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Publ. Info: New York : Wiley-Liss
Pages: - Volume / Issue: 48 (5) Sequence Number: - Start / End Page: 801 - 809 Identifier: ISSN: 0740-3194
CoNE: https://pure.mpg.de/cone/journals/resource/954925538149