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  • Title: Multi-echo imaging in highly inhomogeneous magnetic fields.
    Author: Casanova F, Perlo J, Blümich B, Kremer K.
    Journal: J Magn Reson; 2004 Jan; 166(1):76-81. PubMed ID: 14675822.
    Abstract:
    A new pulsed field gradient multi-echo imaging technique to encode position in the phase of every echo generated by a CPMG sequence in the presence of a strongly inhomogeneous static magnetic field is presented. It was applied to improve the sensitivity in an imaging experiment by adding the echo train acquired during the CPMG sequence and to spatially resolve relaxation times of inhomogeneous specimens using single-sided probes. The sequence was implemented in a new bar-magnet MOUSE equipped with a gradient coil system to apply a pulsed magnetic field with a constant gradient along one spatial coordinate. An important reduction by a factor larger than two orders of magnitude in the acquisition time was obtained compared to the previously published single-point imaging technique.
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