Improved Contrast and Image Homogeneity with BIR4 Pulses in Magnetization Prepared Flair at 7 Tesla

Jaco J.M. Zwanenburg¹, Fredy Visser, ¹², Vincent O. Boer¹, Wybe JM van der Kemp¹, Dennis W. Klomp¹, Peter R. Luijten¹

It is shown that using BIR4 pulses for excitation and magnetization prepared inversion, can considerably improve the image homogeneity and contrast of FLAIR images at 7 Tesla, in areas with inhomogeneous B1+ fields.