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
Electrical Engineering, Stanford University,
Stanford, CA, United States,
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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