Enhancement of nuclear magnetic resonance in microtesla magnetic field with prepolarization field detected with high-Tc superconducting quantum interference device

Hong Chang Yang, Shu Hsien Liao, Herng Er Horng, Shing Ling Kuo, Hsin Hsien Chen, S. Y. Yang

Research output: Contribution to journalArticle

46 Citations (Scopus)

Abstract

We applied prepolarization field and high-Tc superconducting quantum interference device (SQUID) detector to enhance nuclear magnetic resonance signal in a microtesla magnetic field. The minimum measuring magnetic field is 8.9 μT at which the proton resonance frequency is 380 Hz. The specificity instrumentation and the difficulty of using a high-Tc SQUID with prepolarization field were investigated. We applied gradient field to perform one-dimensional proton imaging in a microtesla magnetic field. Additionally, low field high-Tc SQUID-based NMR systems are promising in biomagnetic research due to its use, for example, in imaging with hyperpolarized noble gas.

Original languageEnglish
Article number252505
JournalApplied Physics Letters
Volume88
Issue number25
DOIs
Publication statusPublished - 2006 Jun 19

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interference
nuclear magnetic resonance
augmentation
magnetic fields
proton resonance
rare gases
gradients
protons
detectors

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Enhancement of nuclear magnetic resonance in microtesla magnetic field with prepolarization field detected with high-Tc superconducting quantum interference device. / Yang, Hong Chang; Liao, Shu Hsien; Horng, Herng Er; Kuo, Shing Ling; Chen, Hsin Hsien; Yang, S. Y.

In: Applied Physics Letters, Vol. 88, No. 25, 252505, 19.06.2006.

Research output: Contribution to journalArticle

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