Abstract #1649
A New Fat-suppressed Spin-Echo Imaging Using Hyperbolic-Secant Pulses
Yoojin Lee 1 , Jang Yeon Park 2 , Yeji Han 3 , ChangHyun Oh 3 , and HyunWook Park 3
1
Department of Radiology, University of
Pittsburgh, Pittsburgh, Pennsylvania, United States,
2
School
of Biomedical Engineering, Konkuk University, Chungju,
Korea,
3
Department of Electrical Engineering,
Korea Advanced Institute of Science and Technology (KAIST),
Daejeon, Korea
In this study, a new fat-suppressed spin-echo imaging
technique using hyperbolic secant (HS) RF pulses for π/2
excitation and π refocusing in a conventional SE
sequence is proposed. This technique utilizes the fact
that non-linear phase profile across slice created by HS
pulses is not compensated in the regions where the
frequency offset exists. Phantom and in vivo experiments
were performed at 3T to demonstrate this technique.
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