Pulsed gradient analysis using a dedicated magnetometer

P. Desgoutte, L. Chaabane, B. Favre, A. Deguin, C. Lapray, A. Briguet

Research output: Contribution to journalArticlepeer-review


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 languageEnglish
Pages (from-to)53-57
Number of pages5
JournalMagnetic Resonance Materials in Physics, Biology, and Medicine
Issue number1
Publication statusPublished - 1997


  • Eddy-currents
  • Magnetometer
  • Nuclear magnetic resonance
  • Switched gradients

ASJC Scopus subject areas

  • Biophysics
  • Genetics


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