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Abstract #0319

A Completely Wireless Current Sensor for RF Safety

Christopher Ellenor 1 , Pascal Stang 1,2 , Maryam Etezadi-Amoli 1 , John Pauly 1 , and Greig Scott 1

1 Electrical Engineering, Stanford University, Stanford, CA, United States, 2 Procyon Engineering, San Jose, CA, United States

A new, completely wireless current sensor is demonstrated for the measurement of RF current on wires. This small and lightweight sensor will find application where wire current must be monitored, such as in interventional MRI procedures, and where current is minimized, such as in device design or in the development of new scanning protocols. The new sensor measures only the magnitude of the current, and an RF pulse is proposed and demonstrated, with which current magnitude is sufficient to identify null modes.

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