Now showing items 1-20 of 29

    • Application of remote power-by-light switching in a simplified BOTDA sensor network 

      Bravo Acha, Mikel Upna Orcid; Zornoza Indart, Ander; Loayssa Lara, Alayn Upna Orcid; López-Amo Sáinz, Manuel Upna Orcid; López Higuera, José Miguel; Ullán Nieto, Ángel (MDPI, 2013)   Artículo / Artikulua  OpenAccess
      We propose and demonstrate the use of spatial multiplexing as a means to reduce the costs of distributed sensing networks. We propose a new scheme in which remote power-by-light switching is deployed to scan multiple ...
    • C and L band fiber lasers enhanced by ultrafast laser inscribed artificial backscatter reflectors 

      Pérez Herrera, Rosa Ana Upna Orcid; Roldán Varona, Pablo; Sánchez-González, Arturo; Rodríguez Cobo, Luis; López Higuera, José Miguel; López-Amo Sáinz, Manuel Upna Orcid (Optica, 2022)   Artículo / Artikulua  OpenAccess
      This letter presents an experimental comparison between two linear-cavity erbiumdoped fiber lasers (EDFL) assisted by two different artificial backscatter fiber-based reflectors. Both reflectors were inscribed by femtosecond ...
    • Cavidad láser de fibra óptica multibanda basada en reflectores pseudoaleatorios cuasidistribuidos 

      Sánchez-González, Arturo; Pérez Herrera, Rosa Ana Upna Orcid; Roldán Varona, Pablo; Rodríguez Cobo, Luis; López Higuera, José Miguel; López-Amo Sáinz, Manuel Upna Orcid (Sociedad Española de Óptica, 2021)   Artículo / Artikulua  OpenAccess
      En este trabajo se presenta un análisis experimental de las prestaciones alcanzadas por una cavidad láser en línea asistida por un reflector de fibra con retrodispersión controlada artificialmente (RFRCA). Dicho reflector ...
    • Compact optical fiber lasers and optical fiber sensors assisted by femtosecond laser inscription of plane-by-plane FBGs 

      Roldán Varona, Pablo; Pallarés Aldeiturriaga, D.; Rodríguez Cobo, Luis; Pérez Herrera, Rosa Ana Upna Orcid; Bravo Acha, Mikel Upna Orcid; López-Amo Sáinz, Manuel Upna Orcid; López Higuera, José Miguel (Optica, 2020)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      Development of a high temperature sensor based on optical fiber l aser generated from a cavity of reduced dimensions (43 mm) in Er-doped fiber. The mirror FBGs have been inscribed with femtosecond laser using the slit beam ...
    • Diseño y caracterización de reflectores incoherentes de retrodispersión de fibra microperforada para láseres random de fibra óptica 

      Galarza Galarza, Marko Upna Orcid; Sañudo-Lasagabaster, Silvia; Pérez Herrera, Rosa Ana Upna Orcid; Roldán Varona, Pablo; Rodríguez Cobo, Luis; López Higuera, José Miguel; López-Amo Sáinz, Manuel Upna Orcid (SEDOPTICA, 2021)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      Los láseres random de fibra óptica presentan una serie de características que los hacen idóneos para una gran variedad de aplicaciones industriales. La elevada longitud de fibra necesaria en la cavidad debido a sus bajos ...
    • A dual-wavelength fiber laser sensor with temperature and strain discrimination 

      Sánchez-González, Arturo; Pérez Herrera, Rosa Ana Upna Orcid; Roldán Varona, Pablo; Durán Escudero, Miguel; Rodríguez Cobo, Luis; López Higuera, José Miguel; López-Amo Sáinz, Manuel Upna Orcid (MDPI, 2022)   Artículo / Artikulua  OpenAccess
      This work presents a dual-wavelength C-band erbium-doped fiber laser assisted by an artificial backscatter reflector. This fiber-based reflector, inscribed by femtosecond laser direct writing, was fabricated into a single ...
    • Enhanced optical fiber lasers and optical fiber sensors assisted by micro-drilled optical fibers 

      Pérez Herrera, Rosa Ana Upna Orcid; Bravo Acha, Mikel Upna Orcid; Roldán Varona, Pablo; Leandro González, Daniel Upna Orcid; Rodríguez Cobo, Luis; López Higuera, José Miguel; López-Amo Sáinz, Manuel Upna Orcid (Optica, 2020)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      Enhanced OFS assisted by micro-drilled optical fibers acting as mirrors are demonstrated. Strain sensitivity improved more than one order of magnitude in comparison with FBG sensors using a 50 μm-waist micro-drilled taper ...
    • Femtosecond laser inscription of diffraction gratings in CYTOP fibers for optical fiber sensing 

      Lomer, Mauro; Roldán Varona, Pablo; Algorri, J. F.; Rodríguez Cobo, Luis; Pérez Herrera, Rosa Ana Upna Orcid; López-Amo Sáinz, Manuel Upna Orcid; López Higuera, José Miguel (SEDOPTICA, 2021)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      The use of the new CYTOP fibers for the inscription of optical structures and the sensing of different parameters has started to gain importance in the last decade. This work presents the design and manufacture of a CYTOP ...
    • High performance fiber laser resonator for dual band (C and L) sensing 

      Sánchez-González, Arturo; Pérez Herrera, Rosa Ana Upna Orcid; Roldán Varona, Pablo; Rodríguez Cobo, Luis; López Higuera, José Miguel; López-Amo Sáinz, Manuel Upna Orcid (IEEE, 2022)   Artículo / Artikulua  OpenAccess
      This work presents an experimental analysis and comparison of the performance of quasi-randomly distributed reflectors inscribed into a single-mode fiber as a sensing mirror both in C- and L-band. Single-wavelength emission ...
    • Hybrid Raman‑erbium random fiber laser with a half open cavity assisted by artificially controlled backscattering fiber refectors 

      Pérez Herrera, Rosa Ana Upna Orcid; Roldán Varona, Pablo; Sañudo-Lasagabaster Ibáñez, Silvia; Rodríguez Cobo, Luis; López Higuera, José Miguel; López-Amo Sáinz, Manuel Upna Orcid (Springer Nature, 2021)   Artículo / Artikulua  OpenAccess
      A hybrid Raman-erbium random fber laser with a half-open cavity assisted by chirped artifcially controlled backscattering fber refectors is presented. A combination of a 2.4 km-long dispersion compensating fber with two ...
    • Influence of saturable absorbers on fiber ring laser sensors 

      Rodríguez Cobo, Luis; Quintela, M. A.; Ruiz Lombera, Rubén; Pérez Herrera, Rosa Ana Upna Orcid; López-Amo Sáinz, Manuel Upna Orcid; López Higuera, José Miguel (SPIE, 2017)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      In this work, a fiber ring laser sensor has been employed to analyze the influence of passive Er-doped fiber acting as saturable absorber. Lasing modes of fiber ring lasers can be reduced by properly locating a saturable ...
    • L-band multiwavelength single-longitudinal mode fiber laser for sensing applications 

      Pérez Herrera, Rosa Ana Upna Orcid; Ullán Nieto, Ángel; Leandro González, Daniel Upna Orcid; Fernández Vallejo, Montserrat Upna; Quintela, M. A.; Loayssa Lara, Alayn Upna Orcid; López Higuera, José Miguel; López-Amo Sáinz, Manuel Upna Orcid (IEEE / OSA, 2012)   Artículo / Artikulua  OpenAccess
      In this work, a novel single-longitudinal-mode (SLM) four-wavelength laser configuration for sensing applications in the L-band is proposed and experimentally demonstrated. The sensor system presented here is based on ring ...
    • Láser random de fibra óptica asistido por reflectores de fibra con retrodispersión controlada artificialmente 

      Pérez Herrera, Rosa Ana Upna Orcid; Roldán Varona, Pablo; Galarza Galarza, Marko Upna Orcid; Sañudo-Lasagabaster Ibáñez, Silvia; Rodríguez Cobo, Luis; López Higuera, José Miguel; López-Amo Sáinz, Manuel Upna Orcid (SEDOPTICA, 2021)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      Este trabajo presenta un láser de fibra tipo random (LFR) en cavidad semi-abierta, mediante amplificación híbrida Raman-Erbio y asistida por reflectores de fibra con retrodispersión controlada artificialmente (RFRCA). ...
    • Láseres de fibra óptica basados en reflectores clásicos, estrechados y microperforados 

      Sánchez-González, Arturo; Pérez Herrera, Rosa Ana Upna Orcid; Roldán Varona, Pablo; Rodríguez Cobo, Luis; López Higuera, José Miguel; López-Amo Sáinz, Manuel Upna Orcid (SEDOPTICA, 2021)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      En este trabajo se presenta un estudio comparativo entre distintos láseres de fibra óptica altamente dopada con erbio, con cavidades lineales conformadas tanto por reflectores puntuales clásicos como reflectores distribuidos. ...
    • Micro-drilled optical fiber for enhanced laser strain sensors 

      Pérez Herrera, Rosa Ana Upna Orcid; Bravo Acha, Mikel Upna Orcid; Roldán Varona, Pablo; Leandro González, Daniel Upna Orcid; Rodríguez Cobo, Luis; López Higuera, José Miguel; López-Amo Sáinz, Manuel Upna Orcid (SPIE, 2019)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      In this work, we present an experimental measurement of temperature and strain sensitivities of a micro-drilled optical fiber (MDOF). The MDOF consisted of a quasi-randomly distributed reflector along a single mode fiber ...
    • Microdrilled tapers to enhance optical fiber lasers for sensing 

      Pérez Herrera, Rosa Ana Upna Orcid; Bravo Acha, Mikel Upna Orcid; Roldán Varona, Pablo; Leandro González, Daniel Upna Orcid; Rodríguez Cobo, Luis; López Higuera, José Miguel; López-Amo Sáinz, Manuel Upna Orcid (Nature Research, 2021)   Artículo / Artikulua  OpenAccess
      In this work, an experimental analysis of the performance of different types of quasi-randomly distributed reflectors inscribed into a single-mode fiber as a sensing mirror is presented. These artificially-controlled ...
    • Optical fiber lasers assisted by microdrilled optical fiber tapers 

      Pérez Herrera, Rosa Ana Upna Orcid; Pallarés Aldeiturriaga, D.; Júdez Colorado, Aitor Upna; Rodríguez Cobo, Luis; López-Amo Sáinz, Manuel Upna Orcid; López Higuera, José Miguel (Optical Society of America, 2019)   Artículo / Artikulua  OpenAccess
      In this Letter, we present an analysis of the backscattering generated in a microdrilled tapered fiber within a short-linear-cavity fiber laser. We propose and experimentally demonstrate a fiber cavity laser based on a ...
    • Overcoming non-local effects and Brillouin threshold limitations in Brillouin distributed sensors 

      Urricelqui Polvorinos, Javier Upna Orcid; Ruiz Lombera, Rubén; Sagüés García, Mikel Upna Orcid; Mirapeix, Jesús; López Higuera, José Miguel; Loayssa Lara, Alayn Upna Orcid (SPIE, 2015)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      We demonstrate, for the first time to our knowledge, a Brillouin optical time domain analysis sensor that is able to operate with a probe power larger than the Brillouin threshold of the deployed sensing fiber and that ...
    • Overcoming non-local effects and Brillouin threshold limitations in Brillouin optical time domain sensors 

      Ruiz Lombera, Rubén; Urricelqui Polvorinos, Javier Upna Orcid; Sagüés García, Mikel Upna Orcid; Mirapeix, Jesús; López Higuera, José Miguel; Loayssa Lara, Alayn Upna Orcid (IEEE, 2015)   Artículo / Artikulua  OpenAccess
      We demonstrate, for the first time to our knowledge, a Brillouin optical time domain analysis (BOTDA) sensor that is able to operate with a probe power larger than the Brillouin threshold of the deployed sensing fiber ...
    • Single longitudinal mode lasers by using artificially controlled backscattering erbium doped fibers 

      Pérez Herrera, Rosa Ana Upna Orcid; Roldán Varona, Pablo; Rodríguez Cobo, Luis; López Higuera, José Miguel; López-Amo Sáinz, Manuel Upna Orcid (IEEE, 2021)   Artículo / Artikulua  OpenAccess
      In this work, we propose and experimentally demonstrate a new distributed short linear cavity fiber laser. At one of the cavity ends, fabricated by a commercial femtosecond fiber laser chirped pulse amplfier, an artificially ...

      El Repositorio ha recibido la ayuda de la Fundación Española para la Ciencia y la Tecnología para la realización de actividades en el ámbito del fomento de la investigación científica de excelencia, en la Línea 2. Repositorios institucionales (convocatoria 2020-2021).
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