Anomalous blue shifted emission near the D1 transition from laser-excited sodium vapour

I. Golub, R. Shuker, G. Erez

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

The observations of anomalous emission near the D1 transition of a dense (>or=1014 cm-3) sodium vapour illuminated by a laser detuned to the blue with respect to the D2 transition is studied and reported. A discussion of existing models is presented. The authors propose a type of parametric down-conversion process to explain this emission. This process involves a laser photon splitting into two photons by the three-level system of sodium, assisted by a magnetic dipole transition.

Original languageEnglish
Article number006
Pages (from-to)L63-L68
JournalJournal of Physics B: Atomic and Molecular Physics
Volume20
Issue number2
DOIs
StatePublished - 1 Dec 1987

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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