Fig. 4.

Trajectories of M (solid line), E (o), and B_eff (dotted line) during the execution of the SC pulse in the ω_RF-frame. The evolution of initial M along E (thick arrow) was calculated using Bloch simulation during one sine/cosine period with the parameters: ${\omega }_1^{max}/(2\mathrm{\pi })=625\text{Hz}$, 500 points during the length of one cycle of duration 1.6 ms. Relaxations during the SC pulses were ignored. E (=γ⁻¹[ω₁, dα/dt, Δω]) was plotted in every 6^th point of the pulse. For comparison, B_eff (=γ⁻¹ [ω₁, 0, Δω]) is shown.