A digital flux injector operated with a 317-MHz NMR magnet

Weijun Yao, Woo Seok Kim, Seungyong Hahn, J. Bascuñán, Hai Gun Lee, Yukikazu Iwasa

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)


The paper reports results of the operation of a digital flux injector coupled to a 317-MHz NMR magnet operating at 4.2 K in persistent mode. The experiments have demonstrated that it is possible to periodically inject metered quantities of flux into a persistent-mode superconducting magnet to either compensate for a small field decay or to shift the operating frequency upward or downward without having to switch on the main power supply.

Original languageEnglish
Pages (from-to)1450-1453
Number of pages4
JournalIEEE Transactions on Applied Superconductivity
Issue number2
Publication statusPublished - 2007 Jun


  • Flux transformer
  • HTS/LTS magnet
  • NMR magnet
  • Persistent mode

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering


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