Fast switching coil system for sample premagnetization in an unshielded ultra-low-field Nuclear Magnetic Resonance experiment

Valerio Biancalana; Roberto Cecchi; Leonardo Stiaccini; Antonio Vigilante

doi:10.1063/5.0003882

Fast switching coil system for sample premagnetization in an unshielded ultra-low-field Nuclear Magnetic Resonance experiment

Instrumentation and Detectors 2020-04-22 v2

Authors: Valerio Biancalana , Roberto Cecchi , Leonardo Stiaccini , Antonio Vigilante

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Abstract

We present a system developed to premagnetize liquid samples in an ultra-low-field Nuclear Magnetic Resonance (NMR) experiment. Liquid samples of a few milliliter are exposed to a magnetic field of about 70~mT, which is abruptely switched off, so to leave a transverse microtesla field where nuclei start precessing. An accurate characterization of the transients and intermediate field level enables a reliable operation of the detection system, which is based on an optical magnetometer.

Keywords

premagnetization ultra-low-field nmr fast switching coil optical magnetometer liquid samples transient characterization

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@article{arxiv.2002.05396,
  title  = {Fast switching coil system for sample premagnetization in an unshielded ultra-low-field Nuclear Magnetic Resonance experiment},
  author = {Valerio Biancalana and Roberto Cecchi and Leonardo Stiaccini and Antonio Vigilante},
  journal= {arXiv preprint arXiv:2002.05396},
  year   = {2020}
}

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3 pages, 3 figures, submitted

Fast switching coil system for sample premagnetization in an unshielded ultra-low-field Nuclear Magnetic Resonance experiment

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