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Simultaneous detection of multiple-gas species by correlation spectroscopy using a multimode diode laser

Författare:
Publiceringsår: 2010
Språk: Engelska
Sidor: 1749-1751
Publikation/Tidskrift/Serie: Optics Letters
Volym: 35
Nummer: 11
Dokumenttyp: Artikel
Förlag: Optical Society of America

Sammanfattning

Simultaneous detection of multiple-gas species has for the first time (to our knowledge) been demonstrated by using a multimode diode-laser-based correlation spectroscopy (MDL-COSPEC) scheme. Concentration measurements of a mixture of CO2 and CO gas were performed by probing overlapping line spectra around 1.57 mu m using an MDL. Species identification and corresponding quantitive analysis were implemented by correlating the recorded absorption signals of the sample gas mixtures with those of the reference gases of particular interest, attaining accuracies of 2% and 1%, respectively. MDL-COSPEC is a generic technique with potential application for simultaneous detection of multiple gases having resolvable narrow lines. (C) 2010 Optical Society of America

Disputation

Nyckelord

  • Physics and Astronomy

Övrigt

Published
Yes
  • ISSN: 0146-9592

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