Question: Consider the pathway shown below. Write down the spatially dependent phase which accrues during the two gradient pulses, and hence determine the ratio (G2T2)/(G1T1) which

Consider the pathway shown below.

Write down the spatially dependent phase which accrues during the two gradient pulses, and hence determine the ratio (G2T2)/(G1T1) which will refocus the pathway.
Determine: (a) the values of G1 and G2 needed if the gradients are of the same length; (b) the values of Ï„1 and Ï„2 needed if the two gradients have the same absolute strength.

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