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Nuclear magnetic resonance using a high temperature superconducting quantum interference device

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8 Author(s)
Kumar, S. ; Quantum Magnetics, Inc., San Diego, California 92121 ; Matthews, R. ; Haupt, S.G. ; Lathrop, D.K.
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In this letter, we present results of experiments in which nuclear magnetic resonance (NMR) signals were detected using an untuned pickup coil coupled to a high temperature superconductor (HTS) based superconducting quantum interference device (SQUID). We were able to operate the HTS SQUID in the presence of static fields of up to 500 Gauss and radio frequency fields of up to 6 Gauss. The ability of a HTS SQUID to detect NMR signals opens up the possibility of using a sensitive detector for practical applications involving NMR that require a broad detection bandwidth. © 1997 American Institute of Physics.

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Applied Physics Letters  (Volume:70 ,  Issue: 8 )