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. Author manuscript; available in PMC: 2014 Mar 1.
Published in final edited form as: Magn Reson Med. 2012 Apr 17;69(3):657–666. doi: 10.1002/mrm.24289

Figure 5.

Figure 5

Experimental validation of Eqs. [1] and [2]. (a) Pulse sequence diagram. The tip-up pulse is identical to the tip-down pulse, except time-reversed. (b) Steady-state signal as a function of tip-up angle β, with the tip-down flip angle α held constant (Tfree/TR = 4.3/7.0 msec). (c) Steady-state signal as a function of flip angle (Tfree/TR = 10.0/15.0 msec). (d) Steady-state signal as a function of phase mismatch Δθ between the phase of the tip-up pulse and the spin phase (Tfree/TR = 9.3/12.0 msec).