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    Simultaneous measurement of humidity and vibration based on a microwire sensor system using Fast Fourier Transform technique

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    26_Rota_SimultaneousMeasurementMicrowire.pdf (737.4Kb)
    Date
    2016
    Author
    Rota Rodrigo, Sergio Upna
    López Aldaba, Aitor Upna
    Pérez Herrera, Rosa Ana Upna Orcid
    López Bautista, María del Carmen 
    López-Amo Sáinz, Manuel Upna Orcid
    Version
    Acceso abierto / Sarbide irekia
    Type
    Artículo / Artikulua
    Version
    Versión aceptada / Onetsi den bertsioa
    Project Identifier
    MINECO//TEC2013-47264-C2-2-R/ES/ openaire
    Impact
     
     
     
    10.1109/JLT.2016.2580003
     
     
     
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    Abstract
    This paper presents a new sensor system for vibration and relative humidity measurements based on its interaction with the evanescent field of a microwire. The interrogation of the sensing head is carried out by monitoring the fast Fourier transform (FFT) phase of one of the FFT peaks of the microwire transmission signal. This technique is not dependent of the signal amplitude and also eludes the ... [++]
    This paper presents a new sensor system for vibration and relative humidity measurements based on its interaction with the evanescent field of a microwire. The interrogation of the sensing head is carried out by monitoring the fast Fourier transform (FFT) phase of one of the FFT peaks of the microwire transmission signal. This technique is not dependent of the signal amplitude and also eludes the requisite of tracking the wavelength evolution in the spectrum, which can be a handicap when there are multiple interference frequency components with different sensitivities. The point sensor is able to measure a wide humidity range (20%-70% relative humidity) with a maximum sensitivity reached of 0.14πrad/% relative humidity. This microwire sensor is also operated within a frequency range from 320 to 1300 Hz with a sensitivity of around 0.0051 nm -1 /Hz. Finally, due to the system uses an optical interrogator as unique active element, the system presents a cost-effective feature. [--]
    Subject
    Fast Fourier transform, Humidity sensor, Microwires, Nanosensors, Relative humidity, Simultaneous measurement, Vibration sensor
     
    Publisher
    IEEE
    Published in
    Journal of Lightwave Technology, vol. 34, no. 19, October 2016
    Departament
    Universidad Pública de Navarra. Departamento de Ingeniería Eléctrica y Electrónica / Nafarroako Unibertsitate Publikoa. Ingeniaritza Elektrikoa eta Elektronikoa Saila
     
    Publisher version
    https://doi.org/10.1109/JLT.2016.2580003
    URI
    https://hdl.handle.net/2454/39594
    Sponsorship
    This work was supported in part by the Spanish Comision Interministerial de Ciencia y Tecnología within project TEC2013-47264-C2-2-R and SUDOE ECOAL-MGT and FEDER funds from the European Union.
    Appears in Collections
    • Artículos de revista - Aldizkari artikuluak [4924]
    • Artículos de revista DIEE - IEES Aldizkari artikuluak [361]
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