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Pulsed gradient analysis using a dedicated magnetometer

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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.

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Authors and Affiliations

  1. Laboratoire de Résonance Magnétique Nucléaire, UPRES-A CNRS 5012, UCB Lyon 1 43, Boulevard du 11 Novembre 1918, 69622, Villeurbanne Cedex, France

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

Authors
  1. P. Desgoutte
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  2. L. Chaabane
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  3. B. Favre
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  4. A. Deguin
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  5. C. Lapray
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  6. A. Briguet
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Desgoutte, P., Chaabane, L., Favre, B. et al. Pulsed gradient analysis using a dedicated magnetometer. MAGMA 5, 53–57 (1997). https://doi.org/10.1007/BF02592266

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  • DOI: https://doi.org/10.1007/BF02592266

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