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    Mid-Infrared Trace Gas Sensor Technology Based on Intracavity Quartz-Enhanced Photoacoustic Spectroscopy

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    Author
    Wojtas, Jacek; Gluszek, Aleksander; Hudzikowski, Arkadiusz; Tittel, Frank K.
    Date
    2017
    Abstract
    The application of compact inexpensive trace gas sensor technology to a mid-infrared nitric oxide (NO) detectoion using intracavity quartz-enhanced photoacoustic spectroscopy (I-QEPAS) is reported. A minimum detection limit of 4.8 ppbv within a 30 ms integration time was demonstrated by using a room-temperature, continuous-wave, distributed-feedback quantum cascade laser (QCL) emitting at 5.263 µm (1900.08 cm−1) and a new compact design of a high-finesse bow-tie optical cavity with an integrated resonant quartz tuning fork (QTF). The optimum configuration of the bow-tie cavity was simulated using custom software. Measurements were performed with a wavelength modulation scheme (WM) using a 2f detection procedure.
    Citation
    Wojtas, Jacek, Gluszek, Aleksander, Hudzikowski, Arkadiusz, et al.. "Mid-Infrared Trace Gas Sensor Technology Based on Intracavity Quartz-Enhanced Photoacoustic Spectroscopy." Sensors, 17, no. 3 (2017) MDPI: http://dx.doi.org/10.3390/s17030513.
    Published Version
    http://dx.doi.org/10.3390/s17030513
    Keyword
    laser absorption spectroscopy; bow-tie cavity; I-QEPAS; intracavity quartz-enhanced photoacoustic spectroscopy; mid-infrared trace gas sensors
    Type
    Journal article
    Publisher
    MDPI
    Citable link to this page
    https://hdl.handle.net/1911/94032
    Rights
    This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
    Link to License
    https://creativecommons.org/licenses/by/4.0/
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    • ECE Publications [1443]
    • Faculty Publications [4990]

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    Home | FAQ | Contact Us | Privacy Notice | Accessibility Statement
    Managed by the Digital Scholarship Services at Fondren Library, Rice University
    Physical Address: 6100 Main Street, Houston, Texas 77005
    Mailing Address: MS-44, P.O.BOX 1892, Houston, Texas 77251-1892
    Site Map