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. Author manuscript; available in PMC: 2013 Sep 1.
Published in final edited form as: Magn Reson Med. 2011 Dec 8;68(3):680–689. doi: 10.1002/mrm.23267

Figure 5.

Figure 5

Normalized theoretical SNR efficiencies for (a) cortical bone and (b) tendon as a function of TR for the three sequences. Short-T2 SNR efficiency is highest for dual-echo UTE (solid line) but generally lower for dual-band UTE (dashed line) and IR-UTE (dashed-dotted line) due to perturbation of the spin system by the magnetization preparation pulses. The imaging parameters used in the in vivo scans are indicated by markers: circle: dual-echo UTE; triangle: dual-band UTE; diamond: IR-UTE.