Relaxation of atomic polarization in paraffin-coated cesium vapor cells

Details Relaxation of atomic polarization in paraffin-coated cesium vapor cells Relaxation of atomic polarization in paraffin-coated cesium vapor cells

2005-03-26

arxiv.org/abs/physics/0503202v1

Physics

Atomic Physics

14 pages, 14 figures

Scientific paper

10.1103/PhysRevA.72.023401

The relaxation of atomic polarization in buffer-gas-free, paraffin-coated cesium vapor cells is studied using a variation on Franzen's technique of ``relaxation in the dark'' [Franzen, Phys. Rev. {\bf 115}, 850 (1959)]. In the present experiment, narrow-band, circularly polarized pump light, resonant with the Cs D2 transition, orients atoms along a longitudinal magnetic field, and time-dependent optical rotation of linearly polarized probe light is measured to determine the relaxation rates of the atomic orientation of a particular hyperfine level. The change in relaxation rates during light-induced atomic desorption (LIAD) is studied. No significant change in the spin relaxation rate during LIAD is found beyond that expected from the faster rate of spin-exchange collisions due to the increase in Cs density.

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