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    Optical fiber vacuum sensor based on modal interferometer and PDMS coating

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    Ascorbe_OpticalFiberModalInterferometer.pdf (509.6Kb)
    Date
    2019
    Author
    Ascorbe Muruzabal, Joaquín Upna Orcid
    Fuentes Lorenzo, Omar Upna
    Corres Sanz, Jesús María Upna Orcid
    Arregui San Martín, Francisco Javier Upna Orcid
    Matías Maestro, Ignacio Upna Orcid
    Version
    Acceso abierto / Sarbide irekia
    Type
    Contribución a congreso / Biltzarrerako ekarpena
    Version
    Versión aceptada / Onetsi den bertsioa
    Project Identifier
    ES/1PE/TEC2016-79367 
    ES/1PE/TEC2016-78047-R 
    Impact
     
     
     
    10.1109/SENSORS43011.2019.8956488
     
     
     
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    Abstract
    This work studies the behavior of polydimethylsiloxane (PDMS) as a transducer for optical vacuum pressure measurements. The optical structure chosen for this device is a modal interferometer achieved by splicing a coreless multimode optical fiber between two single mode fibers. Then, an etching process is applied to the obtained device, in order to decrease the diameter of the fiber and increase ... [++]
    This work studies the behavior of polydimethylsiloxane (PDMS) as a transducer for optical vacuum pressure measurements. The optical structure chosen for this device is a modal interferometer achieved by splicing a coreless multimode optical fiber between two single mode fibers. Then, an etching process is applied to the obtained device, in order to decrease the diameter of the fiber and increase the sensitivity. Finally, the fiber is coated by dip-coating with a layer of PDMS, which changes its volume with pressure changes. The device has been studied in the 1x10(-3) mbar to 10 mbar range with a wavelength shift of 4 nm. A maximum sensitivity of 35 nm/mbar was obtained. The simple fabrication process, which can be applied to more sensitive structures, suggest that PDMS can be a good choice for the development of optical fiber vacuum sensors. [--]
    Subject
    Optical fiber, Modal interferometer, Vacuum sensor, Polydimethylsiloxane, PDMS
     
    Publisher
    IEEE
    Published in
    2019 IEEE Sensors, Montreal, QC, Canada, 2019, pp. 1-4
    Description
    Trabajo presentado a la 18th IEEE Sensors Conference. Montreal, 2019
    Departament
    Universidad Pública de Navarra. Departamento de Ingeniería Eléctrica, Electrónica y de Comunicación / Nafarroako Unibertsitate Publikoa. Ingeniaritza Elektriko, Elektroniko eta Telekomunikazio Saila / Universidad Pública de Navarra / Nafarroako Unibertsitate Publikoa. ISC - Institute of Smart Cities
     
    Publisher version
    https://doi.org/10.1109/SENSORS43011.2019.8956488
    URI
    https://hdl.handle.net/2454/39417
    Sponsorship
    This work was supported by Spanish Agencia Estatal de Investigacion (AEI). Fondo Europeo de Desarrollo Regional (FEDER) (TEC2016-79367-C2-2-R and TEC2016-78047-R).
    Appears in Collections
    • Comunicaciones y ponencias de congresos DIEC - IEKS Biltzarretako komunikazioak eta txostenak [89]
    • Comunicaciones y ponencias de congresos - Biltzarrak eta Argitalpenak [571]
    • Comunicaciones y ponencias de congresos ISC - ISC biltzarretako komunikazioak eta txostenak [117]
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