• DocumentCode
    688587
  • Title

    Sulfur dioxide detection using 7.4 μm DFB-QCL based cavity enhanced absorption spectroscopy

  • Author

    Tarka, J. ; Stefanski, P. ; Lewicki, R. ; So, S. ; Jahjah, M. ; Tittel, Frank K.

  • Author_Institution
    Electr. & Comput. Eng. Dept., Rice Univ., Houston, TX, USA
  • fYear
    2013
  • fDate
    9-14 June 2013
  • Firstpage
    1
  • Lastpage
    2
  • Abstract
    A quantitative measurements of sulfur dioxide using CW, RT DFB-QCL based cavity-enhanced absorption spectroscopy and 2f wavelength modulation detection technique will be reported. Detection limits of 130ppbv (1σ) were achieved with a 0.4-sec averaging time.
  • Keywords
    distributed feedback lasers; measurement by laser beam; modulation spectroscopy; quantum cascade lasers; spectrochemical analysis; sulphur compounds; 2f wavelength modulation detection; DFB-QCL; SO2; cavity enhanced absorption spectroscopy; sulfur dioxide detection; wavelength 7.4 mum; Absorption; Laser beams; Optical sensors; Quantum cascade lasers; Spectroscopy; Temperature sensors;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Lasers and Electro-Optics (CLEO), 2013 Conference on
  • Conference_Location
    San Jose, CA
  • Type

    conf

  • Filename
    6832961
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=688587