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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 40, Iss. 12 — Apr. 20, 2001
  • pp: 2031–2042

Ammonia monitoring near 1.5 µm with diode-laser absorption sensors

Michael E. Webber, Douglas S. Baer, and Ronald K. Hanson  »View Author Affiliations


Applied Optics, Vol. 40, Issue 12, pp. 2031-2042 (2001)
http://dx.doi.org/10.1364/AO.40.002031


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Abstract

We investigated ammonia spectroscopy near 1.5 µm to select transitions appropriate for trace ammonia detection in air-quality and combustion emissions-monitoring applications using diode lasers. Six ammonia features were selected for these trace-gas detection applications based on their transition strengths and isolation from interfering species. The strengths, positions, and lower-state energies for the lines in each of these features were measured and compared with values published in the literature. Ammonia slip was measured in the exhaust above an atmospheric pressure premixed ethylene–air burner to demonstrate the feasibility of the in situ diode-laser sensor.

© 2001 Optical Society of America

OCIS Codes
(300.6260) Spectroscopy : Spectroscopy, diode lasers
(300.6390) Spectroscopy : Spectroscopy, molecular

History
Original Manuscript: July 10, 2000
Revised Manuscript: December 2, 2000
Published: April 20, 2001

Citation
Michael E. Webber, Douglas S. Baer, and Ronald K. Hanson, "Ammonia monitoring near 1.5 µm with diode-laser absorption sensors," Appl. Opt. 40, 2031-2042 (2001)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-40-12-2031

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