2017 Imaging for Physicists Coursebook

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The Effect of Field strength
Goal: Spin polarization
Higher B0 = more polarization
=> higher signal to work with
B0
SNR ~ B0 [1]
[1] Hoult DI, JMRI 2000; 12:46-67
[2] Pohman, MRM 2016; 75:801-809
More recently:
SNR ~ B0
1.65 [2]
Based on Hanson, Concepts in Magn Res, 2006; 32A:329-240