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American Institute of Physics, Review of Scientific Instruments, 11(77), p. 113106

DOI: 10.1063/1.2370597

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Robust, High-speed, All-Optical Atomic Magnetometer

Journal article published in 2006 by J. M. Higbie, E. Corsini, D. Budker ORCID
This paper is available in a repository.
This paper is available in a repository.

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Abstract

A self-oscillating magnetometer based on the nonlinear magneto-optical rotation effect with separate modulated pump and unmodulated probe beams is demonstrated. This device possesses a bandwidth exceeding $1\khz$. Pump and probe are delivered by optical fiber, facilitating miniaturization and modularization. The magnetometer has been operated both with vertical-cavity surface-emitting lasers (VCSELs), which are well suited to portable applications, and with conventional edge-emitting diode lasers. A sensitivity of around $3 {\rm nG}$ is achieved for a measurement time of $1\s$. Comment: 8 pages, 5 figs