Measurements of vector magnetic field using multiple electromagnetically induced transparency resonances in Rb vapor
Kevin Cox (1), Valery I. Yudin (2, 3, 4), Alexey V. Taichenachev, (2,3,4), Irina Novikova (1), Eugeniy E. Mikhailov (1), ((1) Department of, Physics, College of William&Mary, (2) Institute of Laser Physics SB RAS, (3), Novosibirsk State Technical University
TL;DR
This paper investigates how the transmission resonances in Rb vapor under electromagnetically induced transparency can be used to develop a high-precision vector magnetometer by analyzing the polarization-dependent maxima and minima of multiple EIT resonances.
Contribution
It demonstrates the polarization-dependent behavior of multiple EIT resonances in Rb vapor and proposes their application in high-precision vector magnetic field measurement.
Findings
Seven resolved EIT resonances show polarization-dependent maxima/minima.
The orientation of the magnetic field affects the resonance intensities.
Potential application in high-precision vector magnetometry.
Abstract
We study intensity distribution of transmission resonances under the conditions of electromagnetically induced transparency (EIT) with lin||lin configuration in 87Rb vapor. We demonstrate that for various orientations of the external magnetic field all seven resolved EIT resonances exhibit maxima or minima at certain directions of the linear polarization of the laser field. This effect can be used for development of a high-precision vector EIT magnetometer.
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