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    Demonstration of mid-IR gas sensing with frequency-swept Fabry-Perot cavity quantum cascade laser

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    Author
    Chin, Sanghoon; Mitev, Valentin; Giraud, Eliane; Maulini, Richard; Hempel, Frank; Lang, Norbert; Wiese, Mathias; Zimmermann, Henrik; Boiko, Dmitri L.
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    Abstract
    We demonstrate an innovative approach for a mid-IR gas sensing spectroscopy with a cost-effective commercial Fabry-Perot cavity quantum cascade laser. Using transient blue-chirped emission of such a laser, the spectral fingerprint of methane at 8.15µm was clearly observed in absorption.
    Publication Reference
    EUROPEAN SEMICONDUCTOR LASER WORKSHOP 2022 (ESLW 2022), Neuchâtel (Switzerland)
    Year
    2022-09-16
    URI
    https://yoda.csem.ch/handle/20.500.12839/1116
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