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Abstract #4281

A Sip in the Bore: How to Make Coffee with an MRI System

Michael Bock1, Thomas Lottner1, and Ali Caglar Özen1,2
1Radiology - Medical Physics, University Medical Center, Medical Faculty, University Freiburg, Freiburg, Germany, 2German Consortium for Translational Cancer Research (DKTK), Freiburg, Germany

Energy harvesting of the RF fields has been proposed to power small milliwatt RF amplifiers. In this work we demonstrate that the time-varying gradient fields can deliver much higher power levels up to a kW which we used to energize a conventional drip coffee machine. A large pick-up coil was designed in which voltages of 100-200V were induced by rapidly oscillating gradients. The coil was connected to a commercial coffee machine in the magnet, and coffee was prepared in and with the MRI in just 5min.

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