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Abstract #4237

Off-resonant excitation of frequency-adjustable magnetic field probes

Niklas Wehkamp1, Philipp Rovedo1, Elmar Fischer1, Jürgen Hennig1, and Maxim Zaitsev1
1Radiology - Medical Physics, Medical Center - University Hospital Freiburg, Freiburg, Germany

Manipulating the Larmor frequency of a frequency-adjustable 1H field probe provides interesting new possibilities to excite and record the probe’s signal. Here, we present first proof-of-concept experiments that demonstrate the feasibility of selective off-resonant excitation of the probe. Free induction decays with the applied resonance offset current were recorded and characterized.

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