An analysis of the intrinsic resonance offset dependence of magnetization generated by stimulated echo pulse sequences for noncoupled spins Journal Article


Authors: Ballon, D.; Garwood, M.; Koutcher, J. A.
Article Title: An analysis of the intrinsic resonance offset dependence of magnetization generated by stimulated echo pulse sequences for noncoupled spins
Abstract: It is demonstrated that the basic radiofrequency pulse train used to generate stimulated echoes (90x-τTE-90x-τTM-90x-τTE-Acq.) is in general characterized by strong amplitude and phase modulations of the transverse magnetization as a function of the resonance offset. Two dephasing techniques which eliminate the modulations are investigated both theoretically and experimentally, and a simple formula is derived for calculating the relative modulation across a spectrum as a function of gradient strength and duration, echo delay, and spectral linewidth. © 1991.
Keywords: controlled study; conference paper; time factors; models, theoretical; magnetic resonance spectroscopy; nuclear magnetic resonance; magnetics; spectrum analysis; mathematics; support, u.s. gov't, p.h.s.; in vivo spectroscopy; resonance offset; spectroscopic localization; steam; stimulated echo; ilex cookii
Journal Title: Magnetic Resonance Imaging
Volume: 9
Issue: 4
ISSN: 0730-725X
Publisher: Elsevier Science, Inc.  
Date Published: 1991-01-01
Start Page: 569
End Page: 575
Language: English
DOI: 10.1016/0730-725x(91)90044-m
PUBMED: 1779728
PROVIDER: scopus
DOI/URL:
Notes: Source: Scopus
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  1. Douglas J Ballon
    49 Ballon
  2. Jason A Koutcher
    278 Koutcher