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Applied Optics

Applied Optics


  • Vol. 20, Iss. 9 — May. 1, 1981
  • pp: 1584–1587

Optogalvanic effect as a detector for intracavity atomic absorption in a cw dye laser

Edward F. Zalewski, Richard A. Keller, and Charles T. Apel  »View Author Affiliations

Applied Optics, Vol. 20, Issue 9, pp. 1584-1587 (1981)

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It is demonstrated that the optogalvanic effect in a sodium hollow cathode discharge is a sensitive detector specific to the intracavity absorption of sodium atoms in a flame. In this feasibility study the variation of the optogalvanic signal vs the sodium concentration in the flame indicated a detection limit below 1 ng/ml. The sensitivity can be easily improved, and this technique is applicable to other atoms and Doppler-free intermodulation spectroscopic detection methods.

© 1981 Optical Society of America

Original Manuscript: September 29, 1980
Published: May 1, 1981

Edward F. Zalewski, Richard A. Keller, and Charles T. Apel, "Optogalvanic effect as a detector for intracavity atomic absorption in a cw dye laser," Appl. Opt. 20, 1584-1587 (1981)

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