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. Author manuscript; available in PMC: 2011 Aug 19.
Published in final edited form as: Magn Reson Med. 2010 Feb;63(2):427–437. doi: 10.1002/mrm.22241

Figure 1.

Figure 1

The pulse sequence diagrams and the corresponding transverse magnetization profiles for the a: bSSFP and b: ATR SSFP sequences. All RF pulses have the same tip angle, α, and the labels on top of the arrows denote the individual RF phases. The profiles were simulated for α = {5°, 15°} and T1/T2 = 5, assuming TR = TRs + TRl for ATR SSFP. While the off-resonant peaks created around -π radians are similar for both sequences, ATR SSFP achieves superior on-resonant suppression at all tip angles. For bSSFP (a), there is considerable remnant on-resonant signal even with α = 5°. On the contrary, ATR SSFP yields near-zero signal regardless of α as seen in b.