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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 45, Iss. 28 — Oct. 1, 2006
  • pp: 7504–7518

Concurrent multiaxis differential optical absorption spectroscopy system for the measurement of tropospheric nitrogen dioxide

Roland J. Leigh, Gary K. Corlett, Udo Friess, and Paul S. Monks  »View Author Affiliations


Applied Optics, Vol. 45, Issue 28, pp. 7504-7518 (2006)
http://dx.doi.org/10.1364/AO.45.007504


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Abstract

The development of a new concurrent multiaxis (CMAX) sky viewing spectrometer to monitor rapidly changing urban concentrations of nitrogen dioxide is detailed. The CMAX differential optical absorption spectroscopy (DOAS) technique involves simultaneous spectral imaging of the zenith and off-axis measurements of spatially resolved scattered sunlight. Trace-gas amounts are retrieved from the measured spectra using the established DOAS technique. The potential of the CMAX DOAS technique to derive information on rapidly changing concentrations and the spatial distribution of NO 2 in an urban environment is demonstrated. Three example data sets are presented from measurements during 2004 of tropospheric NO 2 over Leicester, UK ( 52.62 ° N , 1.12 ° W ). The data demonstrate the current capabilities and future potential of the CMAX DOAS method in terms of the ability to measure real-time spatially disaggregated urban NO 2 .

© 2006 Optical Society of America

OCIS Codes
(010.1120) Atmospheric and oceanic optics : Air pollution monitoring
(120.0280) Instrumentation, measurement, and metrology : Remote sensing and sensors
(300.0300) Spectroscopy : Spectroscopy

ToC Category:
Spectroscopy

History
Original Manuscript: October 24, 2005
Revised Manuscript: May 12, 2006
Manuscript Accepted: May 22, 2006

Citation
Roland J. Leigh, Gary K. Corlett, Udo Friess, and Paul S. Monks, "Concurrent multiaxis differential optical absorption spectroscopy system for the measurement of tropospheric nitrogen dioxide," Appl. Opt. 45, 7504-7518 (2006)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-45-28-7504

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