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Double EPI sequence with 180° RF pulses
Author(s) -
Hennel F.,
Jasinski A.,
Tomanek B.
Publication year - 1990
Publication title -
magnetic resonance in medicine
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.696
H-Index - 225
eISSN - 1522-2594
pISSN - 0740-3194
DOI - 10.1002/mrm.1910160115
Subject(s) - homogeneity (statistics) , imaging phantom , nuclear magnetic resonance , pulse sequence , physics , sequence (biology) , phase (matter) , computer science , materials science , optics , chemistry , biochemistry , quantum mechanics , machine learning
Rapid imaging can be performed in the magnetic field of low homogeneity using 180° RF pulses instead of gradient reversals to form a series of differently phase‐encoded echoes. A modified version of π‐pulsed EPI which samples the data in two complementary shots was designed. Its advantage for objects of short T 2 is illustrated by phantom images. © 1990 Academic Press, Inc.