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    Simultaneous and quasi-independent strain and temperature sensor based on microstructured optical fiber

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    LopezAldaba_SimultaneousQuasi.pdf (342.3Kb)
    Date
    2017
    Author
    López Aldaba, Aitor Upna
    Auguste, Jean-Louis 
    Jamier, Raphael 
    Roy, Philippe 
    López-Amo Sáinz, Manuel Upna
    Version
    Acceso abierto / Sarbide irekia
    Type
    Contribución a congreso / Biltzarrerako ekarpena
    Version
    Versión publicada / Argitaratu den bertsioa
    Project Identifier
    ES/1PE/TEC2013-47264 
    ES/1PE/TEC2016-76021 
    Impact
     
     
     
    10.1117/12.2267524
     
     
     
    Show full item record
    Abstract
    In this paper, a new sensor system for simultaneous and quasi-independent strain and temperature measurements is presented. The interrogation of the sensing head has been carried out by monitoring the FFT phase variations of two of the microstructured optical fiber (MOF) cavity interference frequencies. This method is independent of the signal amplitude and also avoids the need to track the wavel ... [++]
    In this paper, a new sensor system for simultaneous and quasi-independent strain and temperature measurements is presented. The interrogation of the sensing head has been carried out by monitoring the FFT phase variations of two of the microstructured optical fiber (MOF) cavity interference frequencies. This method is independent of the signal amplitude and also avoids the need to track the wavelength evolution in the spectrum, which can be a handicap when there are multiple interference frequency components with different sensitivities. The sensor is operated within a range of temperature of 30°C-75°C, and 380µɛ of maximum strain were applied; being the sensitivities achieved of 127.5pm/°C and -19.1pm/µɛ respectively. Because the system uses an optical interrogator as unique active element, the system presents a cost-effective feature. [--]
    Subject
    Microstructured optical fiber, Fiber sensor, Temperature sensing, Strain sensing, Simultaneous sensing
     
    Publisher
    SPIE
    Published in
    25th International Conference on Optical Fiber Sensors, edited by Youngjoo Chung… [et al.], Proc. of SPIE Vol. 10323, 103233I
    Departament
    Universidad Pública de Navarra. Departamento de Ingeniería Eléctrica y Electrónica / Nafarroako Unibertsitate Publikoa. Ingeniaritza Elektriko eta Elektronikoa Saila
     
    Publisher version
    https://doi.org/10.1117/12.2267524
    URI
    https://hdl.handle.net/2454/34853
    Sponsorship
    Financial support from the Spanish Comisión Interministerial de Ciencia y Tecnología within projects TEC2016-76021- C2-1-R, TEC2013-47264-C2-2-R and SUDOE ECOAL-MGT and FEDER funds from the European Union is acknowledged.
    Appears in Collections
    • Comunicaciones y ponencias de congresos - Biltzarrak eta Argitalpenak [461]
    • Comunicaciones y ponencias de congresos DIEE - IEES Biltzarretako komunikazioak eta txostenak [161]
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