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Magnetic field mapping in NMR imaging
M R Willcott1, G L Mee, J P Chesick
1NMR Imaging, Inc., Houston, Texas 77092.
Magnetic Resonance Imaging
|January 1, 1987
Abstract:
The Hahn spin preparation sequence provides a practical means for rapid and sensitive mapping of magnetic field inhomogeneity in NMR imaging applications. Choice of the rf pulse delay times tau 1 and tau 2 as well as conditions and limitations on the proposed use of this sequence for chemical shift imaging are discussed.