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

In English

Författare

  • X. T. Lou
  • Gabriel Somesfalean
  • B. Chen
  • Y. G. Zhang
  • H. S. Wang
  • Z. G. Zhang
  • S. H. Wu
  • Y. K. Qin

Summary, in English

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

Avdelning/ar

Publiceringsår

2010

Språk

Engelska

Sidor

1749-1751

Publikation/Tidskrift/Serie

Optics Letters

Volym

35

Issue

11

Dokumenttyp

Artikel i tidskrift

Förlag

Optical Society of America

Ämne

  • Atom and Molecular Physics and Optics

Status

Published

ISBN/ISSN/Övrigt

  • ISSN: 0146-9592