Excitation dependence of resonance line self-broadening at different atomic densities

Details Excitation dependence of resonance line self-broadening at different atomic densities Excitation dependence of resonance line self-broadening at different atomic densities

2008-11-04

arxiv.org/abs/0811.0575v1

J. Phys. B 42, 065203 (2009)

Physics

Quantum Physics

4 pages, 6 figures

Scientific paper

10.1088/0953-4075/42/6/065203

We study the dipole-dipole spectral broadening of a resonance line at high atomic densities when the self-broadening dominates. The selective reflection spectrum of a weak probe beam from the interface of the cell window and rubidium vapor are recorded in the presence of a far-detuned pump beam. The excitation due to the pump reduces the self-broadening. We found that the self-broadening reduction dependence on the pump power is atomic density independent. These results provide experimental evidence for the disordered exciton based theory of self-broadening, and can be useful for the description of the interaction of a strong optical field with a dense resonance medium.

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