Abstract
Calculations of the influence of nuclear spin and the hyperfine interaction on optical pumping experiments utilizingD 2(2 P 3/2↔2 S 1/2) alkali metal resonance radiation are reviewed and extended. Equations are formulated which describe pumping in weak, intermediate, and strong magnetic fields. TheD 2 pumping technique is shown to yield a model independent determination of the cross section for the collisional destruction of “orientation”, i.e. of 〈J z〉, within the2 P 3/2 state only in the case of an atom possessing decoupled or zero nuclear spin. Calculations of nuclear spin effects recently presented by Elbel, Koch, and Schneider are shown disagree with earlier work due to EKS' treatment of the depopulation component of the optical pumping equations.
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Research Supported by U.S. Air Force Office of Scientific Research under AFOSR Grant No. 69-1686.
I am grateful to Professors G. Emery, J. Franz, and G. zu Putlitz for several helpful discussions.
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Franz, F.A. The influence of nuclear spin on theD 2 optical pumping of alkali metal vapors. Z. Physik 262, 105–118 (1973). https://doi.org/10.1007/BF01399721
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DOI: https://doi.org/10.1007/BF01399721