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A compact quantum-cascade laser based spectrometer for monitoring the concentrations of methane and nitrous oxide in the troposphere

Applied Physics B volume 85, pages 243–249 (2006)Cite this article

Abstract

A spectrometer, based on the frequency down-chirped radiation from a pulsed quantum-cascade laser, capable of detecting fluctuations in local ground level methane and nitrous oxide concentrations over a time scale of minutes, is presented. The applicability of this instrument to low-level atmospheric detection is demonstrated through sampling gases in two locations.

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Authors and Affiliations

  1. Scottish University Physics Alliance, Department of Physics, John Anderson Building, University of Strathclyde, 107 Rottenrow East, G4 0NG, Glasgow, UK

    S. Wright, G. Duxbury & N. Langford

Authors
  1. S. Wright
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  2. G. Duxbury
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  3. N. Langford
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Corresponding author

Correspondence to G. Duxbury.

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PACS

33.20.Ea; 42.62.Fi; 42.68.Ca; 85.35.Be

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Wright, S., Duxbury, G. & Langford, N. A compact quantum-cascade laser based spectrometer for monitoring the concentrations of methane and nitrous oxide in the troposphere. Appl. Phys. B 85, 243–249 (2006). https://doi.org/10.1007/s00340-006-2384-x

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  • DOI: https://doi.org/10.1007/s00340-006-2384-x

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