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    Optical fiber vacuum sensor based on etched SMS structure and PDMS coating

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    2020101574_Ascorbe_OpticalFiberEtched.pdf (1.267Mb)
    Date
    2020
    Author
    Ascorbe Muruzabal, Joaquín Upna Orcid
    Fuentes Lorenzo, Omar Upna
    Arregui San Martín, Francisco Javier Upna Orcid
    Matías Maestro, Ignacio Upna Orcid
    Corres Sanz, Jesús María Upna Orcid
    Version
    Acceso abierto / Sarbide irekia
    Type
    Artículo / Artikulua
    Version
    Versión aceptada / Onetsi den bertsioa
    Project Identifier
    ES/1PE/TEC2016-79367 
    Impact
     
     
     
    10.1109/JSEN.2020.3015577
     
     
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    Abstract
    In this work, an optical fiber vacuum sensor based on a single-mode multimode single-mode (SMS) structure coated with polydimethylsiloxane (PDMS) is studied. The SMS structure generates an interferometric pattern based on multimode interference. The structure is dip-coated with a layer of PDMS, whose optical properties change when it is subjected to varying vacuum pressure. Different strategies a ... [++]
    In this work, an optical fiber vacuum sensor based on a single-mode multimode single-mode (SMS) structure coated with polydimethylsiloxane (PDMS) is studied. The SMS structure generates an interferometric pattern based on multimode interference. The structure is dip-coated with a layer of PDMS, whose optical properties change when it is subjected to varying vacuum pressure. Different strategies are applied in an attempt to improve the final performance of the sensor, such as decreasing the diameter of the fiber and modifying the properties of the coating by modifying the proportion of solvent. Decreasing the diameter of the optical fiber and using toluene as a solvent are both proved to be successful strategies for increasing the sensitivity of the sensor. The devices are studied in the 1×10-3–10 mbar range with a maximum wavelength shift of 12 nm, leading to a maximum sensitivity of 35 nm/mbar. The simplicity of the fabrication process, which can be applied to more sensitive structures, suggests that PDMS may 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
    IEEE Sensors Journal, 2020
    Departament
    Universidad Pública de Navarra. Departamento de Ingeniería Eléctrica, Electrónica y de Comunicación / Nafarroako Unibertsitate Publikoa. Ingeniaritza Elektrikoa, Elektronikoa eta Telekomunikazio Ingeniaritza Saila / Universidad Pública de Navarra/Nafarroako Unibertsitate Publikoa. Institute of Smart Cities - ISC
     
    Publisher version
    https://doi.org/10.1109/JSEN.2020.3015577
    URI
    https://hdl.handle.net/2454/39418
    Sponsorship
    This work was supported by the Spanish Agencia Estatal de Investigación (AEI), Fondo Europeo de Desarrollo Regional (FEDER) (TEC2016-79367-C2-2-R) and a Torres-Quevedo grant from the Science and Innovation Ministry (PTQ2018-010221).
    Appears in Collections
    • Artículos de revista - Aldizkari artikuluak [4925]
    • Artículos de revista DIEC - IEKS Aldizkari artikuluak [348]
    • Artículos de revista ISC - ISC aldizkari artikuluak [465]
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