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Journal Article

Easy improvement of signal-to-noise in RARE-sequences with low refocusing flip angles

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http://pubman.mpdl.mpg.de/cone/persons/resource/persons84187

Scheffler,  K
Department High-Field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Max Planck Society;

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Citation

Hennig, J., & Scheffler, K. (2000). Easy improvement of signal-to-noise in RARE-sequences with low refocusing flip angles. Magnetic Resonance in Medicine, 44(6), 983-985. doi:10.1002/1522-2594(200012)44:6<983:AID-MRM23>3.0.CO;2-8.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0013-E3DA-3
Abstract
It is demonstrated that the signal intensity in a RARE (TSE, FSE…)-sequence with low refocusing flip angle α can be significantly increased by setting the flip angle of the first refocusing pulse to 90°+α/2. In addition to the gain in signal intensity, the initial signal modulations over the first few echoes are reduced compared to a CPMG-echo train with constant α.