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Optics Letters

Optics Letters


  • Vol. 14, Iss. 6 — Mar. 15, 1989
  • pp: 305–307

Two-photon-excited stimulated emission from atomic oxygen in flames and cold gases

Marcus Aldén, Ulf Westblom, and J. E. M. Goldsmith  »View Author Affiliations

Optics Letters, Vol. 14, Issue 6, pp. 305-307 (1989)

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We report detection of stimulated emission from the atomic-oxygen 3 3P–3 3S transition at 845 nm after two-photon excitation of the 2 3P–3 3P transition using 226-nm laser radiation. We study this stimulated emission process in flames and in room-temperature flows of O2 and N2O and compare its behavior with that of fluorescence signals acquired simultaneously. Rapid depletion of the laser-excited state by the stimulated emission process may have an impact on the use of diagnostic techniques based on multiphoton excitation in oxygen and in other species. The strength of the stimulated emission signal suggests that it may have applications as a diagnostic technique.

© 1989 Optical Society of America

Original Manuscript: September 26, 1988
Manuscript Accepted: January 6, 1989
Published: March 15, 1989

Marcus Aldén, J. E. M. Goldsmith, and Ulf Westblom, "Two-photon-excited stimulated emission from atomic oxygen in flames and cold gases," Opt. Lett. 14, 305-307 (1989)

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  1. J. E. M. Goldsmith, in Process Diagnostics: Materials, Combustion, Fusion, A. K. Hays, A. C. Eckbreth, G. A. Campbell, eds., Materials Research Society Symposium Proceedings Vol. 117 (Materials Research Society, Pittsburgh, Pa., 1988), pp. 193–201.
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  6. This burner was purchased from McKenna Products (Pittsburg, California 94565).
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  8. A.W. Miziolek, M. A. DeWilde, Opt. Lett. 9, 390 (1984). [CrossRef] [PubMed]
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  11. J. E. M. Goldsmith, R. J. M. Anderson, Appl. Opt. 24, 607 (1985). [CrossRef] [PubMed]
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