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Compensation of Diffusion Effects in T2 Measurements

✍ Scribed by Ralf Deichmann; Holger Adolf; Erwin Kuchenbrod; Ulrike Nöth; Christian Schwarzbauer; Axel Haase

Publisher
John Wiley and Sons
Year
1995
Tongue
English
Weight
276 KB
Volume
33
Category
Article
ISSN
0740-3194

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✦ Synopsis

Abstract

Measurements of the transverse relaxation time T~2~ are usually conducted with the Carr Purcell Meiboom Gill (CPMG) pulse sequence, which causes T~2~‐weighted magnetization. Diffusion effects are a common source of error in measurements of this kind, because the incoherent motion of spins in external magnetic field gradients distorts T~2~ weighting of the transverse magnetization. As a result, inaccurate T~2~‐values are obtained. In this work, we present a method which completely compensates for the effect of diffusion.

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