The role of partial saturation of the λ3 ladder in SF6 absorption under high power infrared laser excitation

P. G. Harper, I. Mackie, S. D. Smith

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)


A rate process model is developed to interpret the experimental results of Smith, Schmid, Tablas and Kompa on the time and intensity dependence of the infrared absorption of SF6. In this model incoherent excitation of the ?3 molecular mode by the processes of absorption and stimulated emission is followed by radiationless energy transfer from a maximum level to an inactive mode heatbath. This achieves control of the level population by an empirical transfer rate parameter. Good theoretical fits of the experiment absorption decays are obtained with values of approximately 0.1 ns. © 1980.

Original languageEnglish
Pages (from-to)411-415
Number of pages5
JournalOptics Communications
Issue number3
Publication statusPublished - Mar 1980


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