Gaseous 3He nuclear magnetic resonance probe for cryogenic environments

X. Fan, S. E. Fayer, G. Gabrielse

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

Normal nuclear magnetic resonance (NMR) probes cannot be used to make high frequency resolution measurements in a cryogenic environment because they lose their frequency resolution when the liquid sample in the probe freezes. A gaseous 3He NMR probe, designed and constructed to work naturally in such cryogenic environments, is demonstrated at 4.2 K and 5.3 T to have a frequency resolution better than 0.4 ppb. As a demonstration of its usefulness, the cryogenic probe is used to shim a superconducting solenoid with a cryogenic interior to produce a magnetic field with a high spatial homogeneity and to measure the magnetic field stability.

Original languageEnglish (US)
Article number083107
JournalReview of Scientific Instruments
Volume90
Issue number8
DOIs
StatePublished - Aug 1 2019

ASJC Scopus subject areas

  • Instrumentation

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