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Example 1.2 Gradient performance

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What is the (theoretical) maximum field produced by a 40 mTm−1 gradient system with a slew rate of 200 T m−1s−1? What is the minimum rise time?

Assuming that the gradient is linear over a 50 cm FOV, the maximum amplitude at the edge, 25 cm from the iso‐centre is


The minimum rise time is


Essentials of MRI Safety

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