Pérez Herrera, Rosa Ana

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https://academica-e.unavarra.es/handle/2454/49777

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Pérez Herrera

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Rosa Ana

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Ingeniería Eléctrica, Electrónica y de Comunicación

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ISC. Institute of Smart Cities

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0000-0002-6856-9143

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88704

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8517

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Author: Quintela, M. A. × Subject: Fiber bragg gratings ×

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    PublicationOpen Access
    Virtual FBGs using saturable absorbers for sensing with fiber lasers
    (MDPI, 2018) Rodríguez Cobo, Luis; Pérez Herrera, Rosa Ana; Quintela, M. A.; Ruiz Lombera, Rubén; López-Amo Sáinz, Manuel; López Higuera, José Miguel; Ingeniaritza Elektrikoa, Elektronikoaren eta Telekomunikazio Ingeniaritzaren; Institute of Smart Cities - ISC; Ingeniería Eléctrica, Electrónica y de Comunicación
    The spectral narrowing of Fiber Bragg Gratings (FBGs) introduced by unpumped Er-doped fiber (EDF) was analyzed for fiber lasers (FL). Owing to spatial hole burning (SHB), the spectral response of a virtual FBG can be employed for narrowing the band pass filter employed to determine the lasing wavelength of laser cavities. A common FL was mounted to analyze the spectral stability of the method, and a FL sensor for strain and temperature measurements was experimentally characterized to determine the stability of the narrowing effect achieved by the unpumped EDF, which acts as a virtual FBG. The results exhibited remarkably good narrowing effects of the spectral response of uniform FBGs.