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Measurements of magnetic field stability in inhomogeneous magnetic fields at low temperature

Cedric Hugon 1 Jacques-Francois Jacquinot 2 Dimitris Sakellariou 1, *
* Corresponding author
1 LSDRM - Laboratoire Structure et Dynamique par Résonance Magnétique (LCF)
NIMBE UMR 3685 - Nanosciences et Innovation pour les Matériaux, la Biomédecine et l'Energie (ex SIS2M)
Abstract : We present an original method for field stability measurements in a bath of liquid helium. This method is used to validate the power supply of a superconductive magnet operating in driven mode. The experiment consists in the measurement of the NMR signal of a sample of liquid 3He, placed inside the field of a test magnet driven by a power supply. The homogeneity of the magnet is a strongly limiting factor for measurements but through the use of an inductively coupled microcoil and careful signal processing, a precision of 5.5 ppm was achieved.
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https://hal-cea.archives-ouvertes.fr/cea-00854521
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Submitted on : Tuesday, August 27, 2013 - 2:38:57 PM
Last modification on : Monday, February 10, 2020 - 6:12:48 PM

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Cedric Hugon, Jacques-Francois Jacquinot, Dimitris Sakellariou. Measurements of magnetic field stability in inhomogeneous magnetic fields at low temperature. Journal of Magnetic Resonance, Elsevier, 2010, 202, pp.1-8. ⟨10.1016/j.jmr.2009.08.005⟩. ⟨cea-00854521⟩

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