Dispersive line shapes and optical pumping in a three-level system

Matti Kaivola*, Per Thorsen, Ove Poulsen

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

38 Citations (Scopus)

Abstract

Dispersive line shapes have been observed in the population of the intermediate level of a three-level configuration in a fast beam of metastable Ca*40 atoms. A steady-state calculation in the weak-probe approximation is used to identify the main physical processes in the interaction of the system with a weakly saturating pump field and a weak probe field. It is shown how optical-pumping effects between the lower levels can be used to select one particular two-photon process. The selection is enhanced by the narrow Doppler profile of the fast beam. Our simple analysis explains the resulting dispersive line shapes both qualitatively and quantitatively.

Original languageEnglish
Pages (from-to)207-213
Number of pages7
JournalPhysical Review A
Volume32
Issue number1
DOIs
Publication statusPublished - 1 Jul 1985
MoE publication typeA1 Journal article-refereed

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