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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 8, Iss. 7 — Jul. 1, 1969
  • pp: 1493–1499

Strengths, Widths, and Shapes of the Oxygen Lines near 13,100 cm−1 (7620 Å)

Darrell E. Burch and David A. Gryvnak  »View Author Affiliations


Applied Optics, Vol. 8, Issue 7, pp. 1493-1499 (1969)
http://dx.doi.org/10.1364/AO.8.001493


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Abstract

The absorption by the oxygen A band near 13,100 cm−1 (7620 Å) has been investigated. Spectral curves with resolution between 0.6 cm−1 and 1.2 cm−1 have been obtained for several samples of O2 and O2 + N2 with path lengths from 8 m to 1185 m and pressures up to 13.6 atm. The strength of the entire band is 4.09 ± 0.25 g−1 cm2 cm−1, and the relationship between the band strength and the strengths of the individual lines has been determined. Half-widths of self-broadened lines at 1 atm pressure vary from approximately 0.074 cm−1 at J = 2 to 0.043 cm−1 for J = 25. The lines are approximately 5% wider for air at the same pressure since broadening by N2 is more efficient than self-broadening. The wings of the lines absorb less than Lorentz-shaped lines beyond approximately 10 cm−1 from the centers.

© 1969 Optical Society of America

History
Original Manuscript: December 30, 1968
Published: July 1, 1969

Citation
Darrell E. Burch and David A. Gryvnak, "Strengths, Widths, and Shapes of the Oxygen Lines near 13,100 cm−1 (7620 Å)," Appl. Opt. 8, 1493-1499 (1969)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-8-7-1493

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