Three-axis atomic magnetometer based on spin precession modulation

Journal Article · Mon Nov 02 00:00:00 EST 2015 · Applied Physics Letters

DOI:https://doi.org/10.1063/1.4935096· OSTI ID:22485997

Huang, H. C.; Hu, X. Y.; Chen, L.; Gao, Y. ^[1]

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1. School of Instrumentation Science and Opto-Electronics Engineering, Beihang University, Beijing 100191 (China)

We demonstrate a three-axis atomic magnetometer with one intensity-modulated pump beam and one orthogonal probe beam. The main field component is measured using the resonance of the pumping light, while the transverse field components are measured simultaneously using the optical rotation of the probe beam modulated by the spin precession. It is an all-optical magnetometer without using any modulation field or radio frequency field. Magnetic field sensitivity of 0.8 pT/Hz{sup 1∕2} is achieved under a bias field of 2 μT.

• OSTI ID: 22485997
• Journal Information: Applied Physics Letters, Vol. 107, Issue 18; Other Information: (c) 2015 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA); ISSN 0003-6951
• Country of Publication: United States
• Language: English

Related Subjects

71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
BEAMS
MAGNETIC FIELDS
MAGNETOMETERS
MODULATION
OPTICAL PUMPING
PRECESSION
RADIOWAVE RADIATION
RESONANCE
SENSITIVITY
SPIN
VISIBLE RADIATION