• DocumentCode
    689723
  • Title

    Absorption Spectroscopy of CO2 at 4.3 μm utilizing an off-beam QEPAS spectrophone and an IR-LED

  • Author

    Bottger, Stefan ; Willer, Ulrike ; Schade, Wolfgang

  • Author_Institution
    Fraunhofer Heinrich Hertz Inst., Goslar, Germany
  • fYear
    2013
  • fDate
    9-14 June 2013
  • Firstpage
    1
  • Lastpage
    2
  • Abstract
    An IR-LED at 4.3 μm and an off-beam QEPAS spectrophone as optical detector are utilized for absorption spectroscopy. With an absorption path of 5 cm a detection limit of 150 ppm is achieved for carbon dioxide.
  • Keywords
    carbon compounds; gas sensors; infrared spectra; light emitting diodes; optical sensors; photoacoustic spectra; spectrochemical analysis; CO2; IR-LED; absorption path; absorption spectroscopy; carbon dioxide; detection limit; off-beam QEPAS spectrophone; optical detector; quartz-enhanced photoacoustic spectroscopy; wavelength 4.3 mum; Absorption; Helium; Light emitting diodes; Light sources; Resonant frequency; Sensors; Spectroscopy;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Lasers and Electro-Optics (CLEO), 2013 Conference on
  • Conference_Location
    San Jose, CA
  • Type

    conf

  • Filename
    6834110
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=689723