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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 35, Iss. 21 — Jul. 20, 1996
  • pp: 4112–4116

Laser bandwidth effects in quantitative cavity ring-down spectroscopy

Joseph T. Hodges, J. Patrick Looney, and Roger D. van Zee  »View Author Affiliations


Applied Optics, Vol. 35, Issue 21, pp. 4112-4116 (1996)
http://dx.doi.org/10.1364/AO.35.004112


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Abstract

We have investigated the effects of laser bandwidth on quantitative cavity ring-down spectroscopy using the rR transitions of the b(ν = 0)←X(ν = 0) band of molecular oxygen. It is found that failure to account properly for the laser bandwidth leads to systematic errors in the number densities determined from measured ring-down signals. When the frequency-integrated expression for the ring-down signal is fitted and measured laser line shapes are used, excellent agreement between measured and predicted number densities is found.

Citation
Joseph T. Hodges, J. Patrick Looney, and Roger D. van Zee, "Laser bandwidth effects in quantitative cavity ring-down spectroscopy," Appl. Opt. 35, 4112-4116 (1996)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-35-21-4112

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