Abstract
In magnetic resonance imaging and spectroscopy, knowledge of the magnetic field gradient behavior is very important. This work describes a simple way to characterize the temporal and spatial dependence of the main magnetic field when a gradient is switched. Records are performed with a home-built magnetometer. This device is controlled by a personal computer for recording and processing the NMR signals from an array of small probes spatially distributed and switched by the magnetometer. We present results of measurements on a 2-T superconducting magnet. These results show the residual defects of an active shielded gradient coils system.
| Original language | English |
|---|---|
| Pages (from-to) | 53-57 |
| Number of pages | 5 |
| Journal | Magnetic Resonance Materials in Physics, Biology, and Medicine |
| Volume | 5 |
| Issue number | 1 |
| Publication status | Published - 1997 |
Keywords
- Eddy-currents
- Magnetometer
- Nuclear magnetic resonance
- Switched gradients
ASJC Scopus subject areas
- Biophysics
- Genetics
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Desgoutte, P., Chaabane, L., Favre, B., Deguin, A., Lapray, C., & Briguet, A. (1997). Pulsed gradient analysis using a dedicated magnetometer. Magnetic Resonance Materials in Physics, Biology, and Medicine, 5(1), 53-57.