Observation of stimulated emission pumping spectra of jet-cooled NCS and C3

F. J. Northrup*, Trevor J. Sears

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

35 Scopus citations

Abstract

The observation of stimulated emission pumping (SEP) spectra of free-jet-cooled NCS and C3 is reported. These species were generated by UV laser photolysis of a suitable precursor molecule in a large excess of inert gas in the throat of a supersonic free jet expansion. Individual rotational lines in the cold laser-induced fluorescence excitation spectrum were pumped and stimulated emission induced using two dye lasers pumped by a single excimer laser. The technique should be of general use in measuring vibronic level spacings in the ground electronic state of small free radicals.

Original languageEnglish (US)
Pages (from-to)421-425
Number of pages5
JournalChemical Physics Letters
Volume159
Issue number5-6
DOIs
StatePublished - Jul 21 1989

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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