Leandro González, Daniel

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https://academica-e.unavarra.es/handle/2454/49388

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Leandro González

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Daniel

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Ingeniería Eléctrica, Electrónica y de Comunicación

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ISC. Institute of Smart Cities

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0000-0002-8971-8558

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88745

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9701

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2014 - 20152
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Subject: Long period gratings ×

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Now showing 1 - 2 of 2
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    PublicationOpen Access
    Simultaneous measurement of strain and temperature using a single emission line
    (IEEE / OSA, 2015) Leandro González, Daniel; Ams, Martin; López-Amo Sáinz, Manuel; Sun, Tong; Grattan, Kenneth T. V.; Ingeniería Eléctrica y Electrónica; Ingeniaritza Elektrikoa eta Elektronikoa
    In this work, we present and demonstrate a novel sensor system for simultaneous measurement of strain and temperature through a unique combination of a long period grating (LPG) and a fiber laser based on a fiber Bragg grating (FBG). In order to achieve this, a new erbium doped fiber laser (EDFL) structure is created, showing an optical signal-to-noise ratio (OSNR) of 55 dB and a peak power measured on the OSA between -5 and 0 dBm. The strain and the temperature information can be obtained by using a unique emission line through monitoring both the fiber laser wavelength shift and the change of the power level, both of which showing a clear linear behavior.
  • Thumbnail Image
    PublicationOpen Access
    Simultaneous measurement of strain and temperature using a unique LPG-coupled fibre laser scheme
    (SPIE, 2014-06-02) Leandro González, Daniel; Ams, Martin; López-Amo Sáinz, Manuel; Sun, Tong; Grattan, Kenneth T. V.; Ingeniería Eléctrica y Electrónica; Ingeniaritza Elektrikoa eta Elektronikoa
    In this work, we present and demonstrate a novel sensor system for simultaneous measurement of strain and temperature through a unique combination of a long period grating (LPG) and a fibre laser based on a fibre Bragg grating (FBG). In order to achieve this, a new erbium doped fibre laser (EDFL) structure is created, showing an optical signal-to-noise ratio (OSNR) of 55 dB and a peak power measured on the OSA between -5 and 0 dBm. The strain and the temperature variation applied on the FBG and the LPG can be monitored through both the fibre laser wavelength shift and the change of the power level of a unique emission line, both showing a clear linear behaviour.