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All-Optical Magnetometer Based on Resonant Excitation of Rubidium Atoms by Frequency Modulated Diode Laser Light

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Cartaleva S., Karaulanov T., Petrov N., Slavov D., Vaseva K., Yanev A., Mijailovic M., Grujic Z., Jelenkovic B.

Acta Physica Polonica A

2007

vol. 112

issue 5

871-876

Magnetic field and its gradient measurements based on coherent population trapping resonances at the D_1 line of ^{87}Rb are performed by means of coupling two ground-state Zeeman sublevels belonging to different hyperfine levels to a common excited state. Two coherent laser fields with frequency difference of 6.8 GHz are used. They are produced by direct current modulation of a diode laser. The resonance splitting and broadening caused by the applied magnetic field is measured by scanning the laser modulation frequency around the ground-state hyperfine frequency.

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1 Acta Physica Polonica A

1 2007

1 Cartaleva S.

1 Grujic Z.

1 Jelenkovic B.

1 Karaulanov T.

1 Mijailovic M.

1 Petrov N.

1 Slavov D.

1 Vaseva K.

1 Yanev A.

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All-Optical Magnetometer Based on Resonant Excitation of Rubidium Atoms by Frequency Modulated Diode Laser Light