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Abstract #0225

Active Localized Shielding for Devices Within MRI Gradient Coils

Chad Harris1, William Handler1, Blaine Alexander Chronik1

1Physics and Astronomy, University of Western Ontario, London, Ontario, Canada

There are an increasing number of applications in which non-MRI active or passive devices are being introduced into the MRI system and required to operate normally while exposed to the static, RF, and audio-frequency (i.e. gradient) magnetic fields produced during normal scanning. In this study, we focus on gradient fields and consider the possibility of designing a very localized, active shield to cancel the time-varying magnetic fields for an arbitrary device located within the inside diameter of the gradient system.