A Pulse EPR 25 mT Magnetometer with 10 ppm Resolution
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A magnetometer designed for permanent magnet manufacturing and operated around 25 mT with 10 ppm absolute accuracy is described. The magnetometer uses pulse electron paramagnetic resonance methodology. The use of a pulsed broadband acquisition allowed reliable measurements in the presence of the magnetic field gradient and in relatively inhomogeneous magnetic fields of un-shimmed magnets.
We acknowledge our colleagues from the Center for EPR Imaging in vivo Physiology in the University of Chicago and National Institutes of Health (NIH USA) Grants P41EB002034, R01CA098575, and R50 CA211408.