Orientational effects on the amplitude and phase of polarimeter signals in double-resonance atomic magnetometry

Orientational effects on the amplitude and phase of polarimeter signals in double-resonance... Double-resonance optically pumped magnetometry can be used to measure static magnetic fields with high sensitivity by detecting a resonant atomic spin response to a small oscillating field perturbation. Determination of the resonant frequency yields a scalar measurement of static field (B0) magnitude. We present calculations and experimental data showing that the on-resonance polarimeter signal of light transmitted through an atomic vapor in arbitrarily oriented B0 may be modeled by considering the evolution of alignment terms in atomic polarization. We observe that the amplitude and phase of the magnetometer signal are highly dependent upon B0 orientation and present precise measurements of the distribution of these parameters over the full 4π solid angle. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Physical Review A American Physical Society (APS)

Orientational effects on the amplitude and phase of polarimeter signals in double-resonance atomic magnetometry

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Orientational effects on the amplitude and phase of polarimeter signals in double-resonance atomic magnetometry

Abstract

Double-resonance optically pumped magnetometry can be used to measure static magnetic fields with high sensitivity by detecting a resonant atomic spin response to a small oscillating field perturbation. Determination of the resonant frequency yields a scalar measurement of static field (B0) magnitude. We present calculations and experimental data showing that the on-resonance polarimeter signal of light transmitted through an atomic vapor in arbitrarily oriented B0 may be modeled by considering the evolution of alignment terms in atomic polarization. We observe that the amplitude and phase of the magnetometer signal are highly dependent upon B0 orientation and present precise measurements of the distribution of these parameters over the full 4π solid angle.
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Publisher
The American Physical Society
Copyright
Copyright © ©2017 American Physical Society
ISSN
1050-2947
eISSN
1094-1622
D.O.I.
10.1103/PhysRevA.96.013429
Publisher site
See Article on Publisher Site

Abstract

Double-resonance optically pumped magnetometry can be used to measure static magnetic fields with high sensitivity by detecting a resonant atomic spin response to a small oscillating field perturbation. Determination of the resonant frequency yields a scalar measurement of static field (B0) magnitude. We present calculations and experimental data showing that the on-resonance polarimeter signal of light transmitted through an atomic vapor in arbitrarily oriented B0 may be modeled by considering the evolution of alignment terms in atomic polarization. We observe that the amplitude and phase of the magnetometer signal are highly dependent upon B0 orientation and present precise measurements of the distribution of these parameters over the full 4π solid angle.

Journal

Physical Review AAmerican Physical Society (APS)

Published: Jul 28, 2017

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