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Optics Letters

Optics Letters


  • Vol. 8, Iss. 7 — Jul. 1, 1983
  • pp: 365–367

Two-photon-excited fluorescence measurement of hydrogen atoms in flames

Robert P. Lucht, Joseph T. Salmon, Galen B. King, Donald W. Sweeney, and Normand M. Laurendeau  »View Author Affiliations

Optics Letters, Vol. 8, Issue 7, pp. 365-367 (1983)

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We report the first two-photon-excited hydrogen-atom fluorescence measurements in flames made to our knowledge. The n = 3 level of the H atom was excited by 205.1-nm radiation generated by Raman shifting a 224-nm beam produced by frequency mixing. Fluorescence was observed at 656.3 nm as a result of radiative decay from n = 3 to n = 2, the Balmer-α transition. A novel technique, photoionization-controlled loss spectroscopy, is proposed to eliminate the quenching dependence of the fluorescence signal.

© 1983 Optical Society of America

Original Manuscript: March 14, 1983
Published: July 1, 1983

Robert P. Lucht, Joseph T. Salmon, Galen B. King, Donald W. Sweeney, and Normand M. Laurendeau, "Two-photon-excited fluorescence measurement of hydrogen atoms in flames," Opt. Lett. 8, 365-367 (1983)

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