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Title: Role of transient processes in resonance line spectroscopy of caesium atoms in cells with antirelaxation coating

We study the peculiarities of the absorption spectra in D{sub 1,2}-lines of Cs, caused by optical pumping in cells with antirelaxation coating. In these cells the internal state of the atom, which arose under optical pumping by a monochromatic laser field, is preserved with a high probability in a collision with the wall. As a result, the optical pumping action extends to the entire volume of the cell and to all the velocities of the atoms. This leads to the speed-dependent scanning distortions of the absorption line profile. The detected features should be considered when using laserpumped quantum magnetometers with antirelaxation-coated cells. (laser spectroscopy)
Authors:
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Publication Date:
OSTI Identifier:
22156606
Resource Type:
Journal Article
Resource Relation:
Journal Name: Quantum Electronics (Woodbury, N.Y.); Journal Volume: 43; Journal Issue: 7; Other Information: Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
74 ATOMIC AND MOLECULAR PHYSICS; ABSORPTION SPECTRA; CESIUM; COLLISIONS; LASER RADIATION; LASER SPECTROSCOPY; MAGNETOMETERS; MONOCHROMATIC RADIATION; OPTICAL PUMPING; PROBABILITY; TRANSIENTS; WALLS