• DocumentCode
    688612
  • Title

    Sulfur dioxide detection using CW-DFB-QCL based quartz-enhanced photoacoustic spectroscopy

  • Author

    Waclawek, J.P. ; Lewicki, R. ; Moser, Harald ; Brandstetter, M. ; Tittel, Frank K. ; Lendl, Bernhard

  • Author_Institution
    Inst. of Chem. Technol. & Analytics, Vienna Univ. of Technol., Vienna, Austria
  • fYear
    2013
  • fDate
    9-14 June 2013
  • Firstpage
    1
  • Lastpage
    2
  • Abstract
    The development of a sensitive SO2 QEPAS based sensor platform employing a 140 mW CW-DFB-QCL will be reported. A detection limit of 75 ppbv (3σ) was achieved with a 1-sec averaging time for the 1380.94 cm-1 SO2 absorption line.
  • Keywords
    chemical sensors; distributed feedback lasers; measurement by laser beam; optical sensors; photoacoustic spectroscopy; quantum cascade lasers; spectrochemical analysis; sulphur compounds; CW-DFB-QCL based quartz-enhanced photoacoustic spectroscopy; SO2; SO2 absorption line; detection limit; power 140 mW; sensitive SO2 QEPAS based sensor platform; sulfur dioxide detection; time 1 s; Absorption; Computer architecture; Gas lasers; Optical sensors; Quantum cascade lasers; Spectroscopy; Water;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Lasers and Electro-Optics (CLEO), 2013 Conference on
  • Conference_Location
    San Jose, CA
  • Type

    conf

  • Filename
    6832987
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=688612