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Sensitive magnetometry based on nonlinear magneto-optical rotation

Budker, D., Kimball, D. F., Rochester, S. M., Yashchuk, V. V., Zolotorev, M.·2000·Physical Review A

Abstract

Application of nonlinear magneto-optical (Faraday) rotation to magnetometry is investigated. Our experimental setup consists of a modulation polarimeter that measures rotation of the polarization plane of a laser beam resonant with transitions in Rb. Rb vapor is contained in an evacuated cell with antirelaxation coating that enables atomic ground-state polarization to survive many thousand wall collisions. This leads to ultranarrow features $(\ensuremath{\sim}{10}^{\ensuremath{-}6} \mathrm{G})$ in the magnetic-field dependence of optical rotation. The potential sensitivity of this scheme to sub-$\ensuremath{\mu}\mathrm{G}$ magnetic fields as a function of atomic density, light intensity, and light frequency is investigated near the $D1$ and $D2$ lines of ${}^{85}\mathrm{Rb}.$ It is shown that through an appropriate choice of parameters the shot-noise-limited sensitivity to small magnetic fields can reach $3\ifmmode\times\else\texttimes\fi{}{10}^{\ensuremath{-}12} \mathrm{G}/\sqrt{\mathrm{Hz}}.$

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Cites

Show all 16 references

Research works printed but not linked: 23

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Metadata

Authors
Budker, D., Kimball, D. F., Rochester, S. M., Yashchuk, V. V., & Zolotorev, M.
Venue
Physical Review A
Published
2000-09-11
Volume
62
Issue
4
ISSN
  • 0556-2791 (ISSN-L)
  • 1050-2947
  • 1094-1622
OpenAlex
W1965641414
Cited by
335
References
16
FWCI
7.59
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Sensitive magnetometry based on nonlinear magneto-optical rotation. https://app.cochat.ai/papers/10.1103/physreva.62.043403
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Budker, D., Kimball, D. F., Rochester, S. M., Yashchuk, V. V., & Zolotorev, M. (2000). Sensitive magnetometry based on nonlinear magneto-optical rotation. Physical Review A. https://doi.org/10.1103/physreva.62.043403

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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