Nonlinear magneto-optical rotation narrowing due to Ramsey effect induced by thermal motion of atoms

Zoran D. Grujić; Marina M. Mijailović; Dimitar G. Slavov; Dusan Arsenović; Branislav M. Jelenković

doi:10.1117/12.822460

19 December 2008 Nonlinear magneto-optical rotation narrowing due to Ramsey effect induced by thermal motion of atoms

Zoran D. Grujić, Marina M. Mijailović, Dimitar G. Slavov, Dusan Arsenović, Branislav M. Jelenković

Proceedings Volume 7027, 15th International School on Quantum Electronics: Laser Physics and Applications; 70270L (2008) https://doi.org/10.1117/12.822460
Event: 15th International School on Quantum Electronics: Laser Physics and Applications, 2008, Bourgas, Bulgaria

Abstract

Nonlinear magneto-optical rotation (NMOR) of linearly polarized light, resonant to the F_g = 2 → F_e = 1 atomic transition of D1 line of ⁸⁷Rb is investigated experimentally, by applying spatially separated laser fields in the Rb vacuum cell. In our experiment, the probe laser beam propagates through the center of the pump laser beam, which has the shape of a hollow cylinder. We have measured the rotation of the probe laser beam polarization with respect to the incident polarization, as a function of the external magnetic field, parallel to the laser beam propagation. We show substantial narrowing of the resonance if the pump beam, with the same linear polarization, is present. The opposite direction of the probe rotation was obtained when the pump laser beam polarization is orthogonal to the probe laser beam polarization.

Citation Download Citation

Zoran D. Grujić, Marina M. Mijailović, Dimitar G. Slavov, Dusan Arsenović, and Branislav M. Jelenković "Nonlinear magneto-optical rotation narrowing due to Ramsey effect induced by thermal motion of atoms", Proc. SPIE 7027, 15th International School on Quantum Electronics: Laser Physics and Applications, 70270L (19 December 2008); https://doi.org/10.1117/12.822460

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