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Optics Letters

Optics Letters


  • Vol. 13, Iss. 2 — Feb. 1, 1988
  • pp: 99–101

Radiative processes in air excited by an ArF laser

Gabriel Laufer, Robert L. McKenzie, and Winifred M. Huo  »View Author Affiliations

Optics Letters, Vol. 13, Issue 2, pp. 99-101 (1988)

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The emission spectrum of air that is excited by an ArF laser has been investigated experimentally and theoretically to determine the conditions under which fluorescence from O2 can be used for the measurement of temperature in aerodynamic flows. In addition to the expected fluorescence from O2, the spectrum from excitation with an intense laser beam is shown to contain significant contributions from the near-resonant Raman fundamental and overtone bands, the four-photon fluorescence excitation of C produced from ambient CO2, and possibly the three-photon excitation of O2+. The nature of the radiative interactions contributing to these additional features is described.

© 1988 Optical Society of America

Original Manuscript: August 31, 1987
Manuscript Accepted: November 16, 1987
Published: February 1, 1988

Gabriel Laufer, Robert L. McKenzie, and Winifred M. Huo, "Radiative processes in air excited by an ArF laser," Opt. Lett. 13, 99-101 (1988)

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