Jimenez, R.
, Knappe, S.
and Kitching, J.
(2014),
An optically-modulated zero-field atomic magnetometer with suppressed spin-exchange broadening, Review of Scientific Instruments, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=914207
(Accessed October 8, 2025)
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An optically-modulated zero-field atomic magnetometer with suppressed spin-exchange broadening
Published
Author(s)
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Abstract
We implement an optically-pumped 87Rb magnetometer based on a zero-field dispersive resonance enabled by the optical modulation of the 87Rb ground state energy levels. The magnetometer is operated in the spin-exchange relaxation-free regime where high magnetic field sensitivities can be achieved. Contrary to previous magnetometers that use a radio-frequency magnetic field to generate the zero-field dispersive resonance the device presented here does not need an intrinsic radio-frequency field to generate its signal. Such device can be used in applications requiring array-based magnetometers where radio frequency magnetic fields can induce cross-talk among the sensors or affect the source of the magnetic field being measured.Citation
Review of Scientific Instruments
Volume
85
Pub Type
Journals
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Keywords
Optical magnetometry, Optical pumping, Zero-field magnetometer
Citation
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Created April 29, 2014, Updated February 19, 2017