Instrumentation for nuclear magnetic resonance in zero and ultralow magnetic field

Abstract

We review instrumentation for nuclear magnetic resonance (NMR) in zero and ultra-low magnetic field (ZULF, below 0.1 $\mu$T) where detection is based on a low-cost, non-cryogenic, spin-exchange relaxation free (SERF) ${}^{87}$Rb atomic magnetometer. The typical sensitivity is 20-30 fT/Hz${}^{1/2}$ for signal frequencies below 1 kHz and NMR linewidths range from Hz all the way down to tens of mHz. These features enable precision measurements of chemically informative nuclear spin-spin couplings as well as nuclear spin precession in ultra-low magnetic fields.

18 pages, 10 figures

References in corpus (3)

• An Improved Experimental Limit on the Electric Dipole Moment of the Neutron
• A low-noise ferrite magnetic shield
• Detection of NMR signals with a radio-frequency atomic magnetometer

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