• DocumentCode
    2235904
  • Title

    Nitrous oxide isotope ratio determination by mid-infrared laser spectroscopy

  • Author

    Waechter, Helen ; Sigrist, Markus W.

  • Author_Institution
    Inst. for Quantum Electron., Laser Spectrosc. & Sensing, ETH Zurich, Zurich
  • fYear
    2008
  • fDate
    4-9 May 2008
  • Firstpage
    1
  • Lastpage
    2
  • Abstract
    A fiber-coupled difference frequency generation laser spectrometer for measuring isotopic compositions of N2O at trace concentrations is presented. Using wavelength modulation 90/00 precision at 100 ppm is achieved. The accuracy is demonstrated with enriched samples.
  • Keywords
    fibre optic sensors; infrared spectroscopy; measurement by laser beam; optical frequency conversion; optical modulation; remote sensing by laser beam; spectrochemical analysis; N2O isotopic compositions; difference frequency generation; fiber-coupled laser spectrometer; midinfrared laser spectroscopy; nitrous oxide isotope ratio determination; trace concentrations; wavelength modulation; Fiber lasers; Isotopes; Laser beams; Laser tuning; Optical fiber polarization; Quantum cascade lasers; Reproducibility of results; Spectroscopy; Wavelength division multiplexing; Wavelength measurement; 190.4360; 280.1545; 300.6340; 300.6390;
  • fLanguage
    English
  • Publisher
    iet
  • Conference_Titel
    Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
  • Conference_Location
    San Jose, CA
  • Print_ISBN
    978-1-55752-859-9
  • Type

    conf

  • Filename
    4571443
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=2235904