A new Method to Determine the Resonance Frequency in QEPAS

Philipp Breitegger, Benjamin Lang, Alexander Bergmann

    Research output: Chapter in Book/Report/Conference proceedingConference paper

    Abstract

    We present a novel method to determine the resonance frequency and Q factor of a quartz tuning fork (QTF) in quartz-enhanced photoacoustic spectroscopy (QEPAS) in a few seconds. A CHIRP modulates a laser diode.
    Original languageEnglish
    Title of host publication2018 Conference on Lasers and Electro-Optics, CLEO 2018 - Proceedings
    PublisherOptical Society of America
    PagesATh1O.5
    ISBN (Print)9781943580422
    DOIs
    Publication statusPublished - 2018
    Event2018 Conference on Lasers and Electro-Optics, CLEO 2018 - San Jose, United States
    Duration: 13 May 201818 May 2018

    Conference

    Conference2018 Conference on Lasers and Electro-Optics, CLEO 2018
    CountryUnited States
    CitySan Jose
    Period13/05/1818/05/18

    Keywords

    • Chirp modulation
    • Diode lasers
    • Fast Fourier transforms
    • Frequency modulated lasers
    • Modulation
    • Q factor

    ASJC Scopus subject areas

    • Instrumentation
    • Atomic and Molecular Physics, and Optics

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