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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 28, Iss. 17 — Sep. 1, 1989
  • pp: 3665–3670

Diode laser spectrometer for monitoring up to five atmospheric trace gases in unattended operation

G. Schmidtke, W. Kohn, U. Klocke, M. Knothe, W. J. Riedel, and H. Wolf  »View Author Affiliations


Applied Optics, Vol. 28, Issue 17, pp. 3665-3670 (1989)
http://dx.doi.org/10.1364/AO.28.003665


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Abstract

An automated diode laser spectrometer for recording concentrations of trace gases is described. It has been tested for unattended operation in the laboratory and at an atmospheric surveillance station for several months. The sensitivities reached are, e.g., 50 ppt for NO2 and 300 ppt for NO. In an optical path length of 100 m the lowest extinction measured in unattended operation is ~1.5 × 10−5 for a measuring time of ~60 s. Recordings of trace gases are shown for urban and rural atmospheric conditions.

© 1989 Optical Society of America

History
Original Manuscript: July 8, 1988
Published: September 1, 1989

Citation
G. Schmidtke, W. Kohn, U. Klocke, M. Knothe, W. J. Riedel, and H. Wolf, "Diode laser spectrometer for monitoring up to five atmospheric trace gases in unattended operation," Appl. Opt. 28, 3665-3670 (1989)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-28-17-3665

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