Determining the most suitable spectral range for TDLS – a quantitative approach

  • Marc-Simon Bahr*
  • , Bernd Baumann
  • , Marcus Wolff
  • *Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

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    Abstract

    We present a mathematical method which allows determination of an optimal spectral range for gas mixture analysis based on theoretical absorption spectra. The resulting center wavelength is particularly suited for tunable diode laser spectroscopy (TDLS). The procedure contains several steps of numerical calculations which can easily be implemented in almost any programming language. We apply our method to three exemplary mixtures of hydrocarbons and present and validate the individual results.

    Original languageEnglish
    Article number108216
    Number of pages6
    JournalJournal of Quantitative Spectroscopy and Radiative Transfer
    Volume286
    Early online date14 Apr 2022
    DOIs
    Publication statusPublished - 31 Aug 2022

    Keywords

    • spectroscopy
    • gas analysis
    • detection sensitivity
    • selectivity
    • specificity
    • semiconductor laser
    • tunable diode laser

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