All-optical intrinsic atomic gradiometer with sub-20 fT/cm/√Hz sensitivity in a 22 µT earth-scale magnetic field.
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DOI: 10.1364/oe.408486
Abstract: In this work we demonstrate a high sensitivity atomic gradiometer capable of operation in earth-field level environments. We apply a light-pulse sequence at four times the Larmor frequency to achieve gradiometer sensitivity read more here.
Keywords: field; gradiometer; sensitivity; optical intrinsic ... See more keywords