Now showing items 1-17 of 17

    • Etched and nanocoated SMS fiber sensor for detection of salinity concentration 

      Cardona-Maya, Yamile; Del Villar, Ignacio Upna; Socorro Leránoz, Abián Bentor Upna; Corres Sanz, Jesús María Upna; Arregui San Martín, Francisco Javier Upna; Botero-Cadavid, Juan F. (MDPI, 2017)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      An optical fibre refractometer has been developed by etching and deposition of a thin film of indium tin oxide (ITO) on a single-mode-multimode-single-mode (SMS) fibre structure. The interference between modes in this ...
    • Etched LPFGs in reflective configuration for sensitivity and attenuation band depth increase 

      Del Villar, Ignacio Upna; Socorro Leránoz, Abián Bentor Upna; Corres Sanz, Jesús María Upna; Matías Maestro, Ignacio Upna; Cruz, José Luis; Rego, Gaspar (IEEE, 2016)   Artículo / Artikulua  OpenAccess
      A reflection configuration setup for long-period fiber gratings is presented. It permits to obtain a unique band with attenuation double than that obtained in transmission configuration, which is interesting for ...
    • Fiber-optic lossy mode resonance sensors 

      Arregui San Martín, Francisco Javier Upna; Del Villar, Ignacio Upna; Corres Sanz, Jesús María Upna; Goicoechea Fernández, Javier Upna; Ruiz Zamarreño, Carlos Upna; Elosúa Aguado, César Upna; Hernáez Sáenz de Zaitigui, Miguel Upna; Rivero Fuente, Pedro Upna; Socorro Leránoz, Abián Bentor Upna; Urrutia Azcona, Aitor Upna; Sánchez Zábal, Pedro Upna; Zubiate Orzanco, Pablo Upna; López Torres, Diego Upna; Acha Morrás, Nerea de Upna; Matías Maestro, Ignacio Upna (Elsevier, 2014)   Contribución a Congreso / Biltzarrerako ekarpena  OpenAccess
      In the last 4 years, experimental evidences about the potential use of optical sensors based on Lossy Mode Resonances (LMR) have been presented in the literature. These LMR sensors have some similarities with Surface ...
    • Increasing the sensitivity of an optic level sensor with a wavelength and phase sensitive single-mode multimode single-mode (SMS) fiber structure 

      Fuentes, Omar; Del Villar, Ignacio Upna; Vento, José R.; Socorro Leránoz, Abián Bentor Upna; Gallego, E.E.; Corres Sanz, Jesús María Upna; Matías Maestro, Ignacio Upna (IEEE, 2017)   Artículo / Artikulua  OpenAccess
      The sensitivity of a liquid level sensor based on a single-mode-multimode-single-mode fiber structure has been increased by hydrofluoric acid etching. The etching process was analyzed and monitored both theoretical and ...
    • Label-free wavelength and phase detection based SMS fiber immunosensors optimized with cladding etching 

      Cardona-Maya, Yamile; Socorro Leránoz, Abián Bentor Upna; Del Villar, Ignacio Upna; Cruz, José Luis; Corres Sanz, Jesús María Upna; Botero-Cadavid, Juan F. (Elsevier, 2018)   Artículo / Artikulua
      The performance of E-SMS (Etched Singlemode-Multimode-Singlemode) optical fiber structures as immunosensors has been assessed by the implementation of antibody/antigen immunoassays. Through this procedure it has been ...
    • Micro and nanostructured materials for the development of optical fibre sensors 

      Elosúa Aguado, César Upna; Arregui San Martín, Francisco Javier Upna; Del Villar, Ignacio Upna; Ruiz Zamarreño, Carlos Upna; Corres Sanz, Jesús María Upna; Bariáin Aisa, Cándido Upna; Goicoechea Fernández, Javier Upna; Hernáez Sáenz de Zaitigui, Miguel Upna; Rivero Fuente, Pedro Upna; Socorro Leránoz, Abián Bentor Upna; Urrutia Azcona, Aitor Upna; Sánchez Zábal, Pedro Upna; Zubiate Orzanco, Pablo Upna; López Torres, Diego Upna; Acha Morrás, Nerea de Upna; Ascorbe Muruzabal, Joaquín Upna; Ozcariz Celaya, Aritz Upna; Matías Maestro, Ignacio Upna (MDPI, 2017)   Artículo / Artikulua  OpenAccess
      The measurement of chemical and biomedical parameters can take advantage of the features exclusively offered by optical fibre: passive nature, electromagnetic immunity and chemical stability are some of the most relevant ...
    • Mode transition in complex refractive index coated single-mode–multimode–single-mode structure 

      Socorro Leránoz, Abián Bentor Upna; Del Villar, Ignacio Upna; Corres Sanz, Jesús María Upna; Arregui San Martín, Francisco Javier Upna; Matías Maestro, Ignacio Upna (Optical Society of America, 2013)   Artículo / Artikulua  OpenAccess
      By coating a single-mode–multimode–single-mode (SMS) structure with a high refractive index thin-film it is possible to obtain a transition of modes for specific combinations of thin-film thickness, thinfilm refractive ...
    • Monitoring the etching process in LPFGs towards development of highly sensitive sensors 

      Del Villar, Ignacio Upna; Cruz, José Luis; Socorro Leránoz, Abián Bentor Upna; Díaz Lucas, Silvia Upna; Corres Sanz, Jesús María Upna; Arregui San Martín, Francisco Javier Upna; Matías Maestro, Ignacio Upna (MDPI, 2017)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      In this work, the monitoring of the etching process up to a diameter of 30 µm of two LPFG structures has been compared, one of them had initially 125 µm, whereas the second one had 80 µm. By tracking the wavelength shift ...
    • Optimization of sensors based on multimode interference in single-mode–multimode– single-mode structure 

      Del Villar, Ignacio Upna; Socorro Leránoz, Abián Bentor Upna; Corres Sanz, Jesús María Upna; Arregui San Martín, Francisco Javier Upna; Matías Maestro, Ignacio Upna (IEEE, 2013)   Artículo / Artikulua  OpenAccess
      By coating a single-mode–multimode–single-mode (SMS) structure with a complex refractive index thin-film the central wavelength of the transmission and attenuation bands of the optical spectrum can be shifted. By adequate ...
    • Refractometric sensors based on multimode interference in a thin-film coated singlemode– multimode–single-mode structure with reflection configuration 

      Del Villar, Ignacio Upna; Socorro Leránoz, Abián Bentor Upna; Corres Sanz, Jesús María Upna; Arregui San Martín, Francisco Javier Upna; Matías Maestro, Ignacio Upna (Optical Society of America, 2014)   Artículo / Artikulua  OpenAccess
      Thin-film coated single-mode–multimode–single-mode (SMS) structures have been analyzed both theoretically and experimentally with the aim of detecting different refractive indices. By adequate selection of the thickness ...
    • Sensitivity enhancement in low cutoff wavelength long-period fiber gratings by cladding diameter reduction 

      Del Villar, Ignacio Upna; Partridge, Matthew; Rodríguez, Wenceslao; Fuentes, Omar; Socorro Leránoz, Abián Bentor Upna; Díaz Lucas, Silvia Upna; Corres Sanz, Jesús María Upna; James, Stephen; Tatam, Ralph (MDPI, 2017)   Artículo / Artikulua  OpenAccess
      The diameter of long-period fiber gratings (LPFGs) fabricated in optical fibers with a low cutoff wavelength was be reduced by hydrofluoric acid etching, enhancing the sensitivity to refractive index by more than a factor ...
    • Sensitivity optimization with cladding-etched long period fiber gratings at the dispersion turning point 

      Del Villar, Ignacio Upna; Cruz, José Luis; Socorro Leránoz, Abián Bentor Upna; Corres Sanz, Jesús María Upna; Matías Maestro, Ignacio Upna (Optical Society of America, 2016)   Artículo / Artikulua  OpenAccess
      This work presents a refractive index sensor based on a long period fiber grating (LPFG) made in a reduced cladding fiber whose low order cladding modes have the turning point at large wavelengths. The combination of ...
    • Sensors based on thin-film coated cladding removed multimode optical fiber and single-mode multimode single-mode fiber: a comparative study 

      Del Villar, Ignacio Upna; Socorro Leránoz, Abián Bentor Upna; Hernáez Sáenz de Zaitigui, Miguel Upna; Corres Sanz, Jesús María Upna; Ruiz Zamarreño, Carlos Upna; Sánchez Zábal, Pedro Upna; Arregui San Martín, Francisco Javier Upna; Matías Maestro, Ignacio Upna (Hindawi Publishing Corporation, 2015)   Artículo / Artikulua  OpenAccess
      Two simple optical fibre structures that do not require the inscription of a grating, a cladding removed multimode optical fibre (CRMOF) and a single-mode multimode single-mode structure (SMS), are compared in terms of ...
    • Study and design of thin-film-deposited optical biosensing devices based on wavelength detection of resonances 

      Socorro Leránoz, Abián Bentor Upna (2015)   Tesis doctoral / Doktoretza tesia  OpenAccess
      A lo largo de esta tesis se presenta el estudio y diseño de varias plataformas de guía-ondas ópticas, con el fin de ver su viabilidad a la hora de usarlas como biosensores sobre fibra óptica u otros sustratos fotónicos. ...
    • Temperature sensor based on a hybrid ITOsilica resonant cavity 

      Socorro Leránoz, Abián Bentor Upna; Soltani, Soheil; Del Villar, Ignacio Upna; Corres Sanz, Jesús María Upna; Armani, Andrea M. (Optical Society of America, 2015)   Artículo / Artikulua  OpenAccess
      Integrated optical devices comprised of multiple material systems are able to achieve unique performance characteristics, enabling applications in sensing and in telecommunications. Due to ease of fabrication, the majority ...
    • Temperature sensor using a multiwavelength erbium-doped fiber ring laser 

      Díaz Lucas, Silvia Upna; San Fabián García, Noé; Socorro Leránoz, Abián Bentor Upna; Matías Maestro, Ignacio Upna (Hindawi, 2017)   Artículo / Artikulua  OpenAccess
      A novel temperature sensor is presented based on a multiwavelength erbium-doped fiber ring laser.The laser is comprised of fiber Bragg grating reflectors as the oscillation wavelength selecting filters.The performance of ...
    • Wavelength and phase detection based SMS fiber sensors optimized with etching and nanodeposition 

      Cardona-Maya, Yamile; Del Villar, Ignacio Upna; Socorro Leránoz, Abián Bentor Upna; Corres Sanz, Jesús María Upna; Matías Maestro, Ignacio Upna; Botero-Cadavid, Juan F. (IEEE, 2016)   Artículo / Artikulua  OpenAccess
      The development of an optical fiber refractometer by hydrogen fluoride etching and sputtering deposition of a thin-film of indium tin oxide on a single-mode-multimode-single-mode fiber structure has been analyzed with ...