Abstract #2182

Investigation of systematic errors in NMR field probes

Spencer Baird Parent¹, William Bradfield Handler ², and Blaine A. Chronik²

¹Medical Biophysics, Western University, London, ON, Canada, ²Physics and Astronomy, Western University, London, ON, Canada

Using finite elements methods, an investigation of the systematic errors in magnetic field NMR probes is investigated. A NMR field probe is modeled and the field broadening and field offset is investigated as a function of the susceptibility of epoxy. It is shown that susceptibility matching the epoxy drastically reduces field broadening with a minimal effect on field offset. Additionally the effect of air bubbles present in cured epoxy is modeled and the results show that for certain critical regions of the probe the presence of an air bubble can be disadvantageous to the quality of the field probe.

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