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

100%

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.

Population Loss in Closed Optical Transitions οf Rb and Cs Atoms Confined in Micrometric Thin Cells

81%

Biancalana V., Cartaleva S., Dancheva Y., Gosh P., Mariotti E., Mitra S., Moi L., Petrov N., Ray B., Sarkisyan D., Slavov D.

Acta Physica Polonica A

2009

vol. 116

issue 4

495-497

We present the first experimental observation of narrow dips in the fluorescence profiles of completely closed hyperfine transitions in Rb vapor at high atomic density, which is attributed to the depolarization of the excited state. Moreover, at low atomic density, a narrow peak on the top of the fluorescence profile is demonstrated, centered at the completely closed transition within the D_{2} line of Cs. Experiments are performed in thin (700 μm) alkali cell by single light beam spectroscopy. The cell is filled with Cs containing a small portion of Rb.

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2 Acta Physica Polonica A

1 2009

1 2007

2 Cartaleva S.

2 Petrov N.

2 Slavov D.

1 Biancalana V.

1 Dancheva Y.

1 Gosh P.

1 Grujic Z.

1 Jelenkovic B.

1 Karaulanov T.

1 Mariotti E.

1 Mijailovic M.

1 Mitra S.

1 Moi L.

1 Ray B.

1 Sarkisyan 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

Population Loss in Closed Optical Transitions οf Rb and Cs Atoms Confined in Micrometric Thin Cells