Now showing items 1-20 of 22

    • AC/DC millivoltage sensor by means of ITO-coated optical fibers: towards monitoring of biosignals 

      Aginaga Etxamendi, Concepción Isabel Upna; Socorro Leránoz, Abián Bentor Upna Orcid; Fuentes Lorenzo, Omar Upna; Del Villar, Ignacio Upna Orcid; Corres Sanz, Jesús María Upna Orcid; Matías Maestro, Ignacio Upna Orcid (IEEE, 2019)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      This contribution shows the monitoring of AC and DC millivoltage signals by means of lossy mode resonances generated by Indium Tin Oxide (ITO) on optical fibers. Sensors were obtained by sputtering ITO thin-films onto 25 ...
    • Etched and nanocoated SMS fiber sensor for detection of salinity concentration 

      Cardona-Maya, Yamile; Del Villar, Ignacio Upna Orcid; Socorro Leránoz, Abián Bentor Upna Orcid; Corres Sanz, Jesús María Upna Orcid; Arregui San Martín, Francisco Javier Upna Orcid; 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 Orcid; Socorro Leránoz, Abián Bentor Upna Orcid; Corres Sanz, Jesús María Upna Orcid; Matías Maestro, Ignacio Upna Orcid; 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 Orcid; Del Villar, Ignacio Upna Orcid; Corres Sanz, Jesús María Upna Orcid; Goicoechea Fernández, Javier Upna Orcid; Ruiz Zamarreño, Carlos Upna Orcid; Elosúa Aguado, César Upna Orcid; Hernáez Sáenz de Zaitigui, Miguel Upna Orcid; Rivero Fuente, Pedro J. Upna Orcid; Socorro Leránoz, Abián Bentor Upna Orcid; Urrutia Azcona, Aitor Upna Orcid; Sánchez Zábal, Pedro Upna Orcid; Zubiate Orzanco, Pablo Upna Orcid; López Torres, Diego Upna Orcid; Acha Morrás, Nerea de Upna Orcid; Matías Maestro, Ignacio Upna Orcid (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 Lorenzo, Omar Upna; Del Villar, Ignacio Upna Orcid; Vento, José R.; Socorro Leránoz, Abián Bentor Upna Orcid; Gallego, E.E.; Corres Sanz, Jesús María Upna Orcid; Matías Maestro, Ignacio Upna Orcid (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 Orcid; Del Villar, Ignacio Upna Orcid; Cruz, José Luis; Corres Sanz, Jesús María Upna Orcid; Botero-Cadavid, Juan F. (Elsevier, 2018)   Artículo / Artikulua  OpenAccess
      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 Orcid; Arregui San Martín, Francisco Javier Upna Orcid; Del Villar, Ignacio Upna Orcid; Ruiz Zamarreño, Carlos Upna Orcid; Corres Sanz, Jesús María Upna Orcid; Bariáin Aisa, Cándido Upna Orcid; Goicoechea Fernández, Javier Upna Orcid; Hernáez Sáenz de Zaitigui, Miguel Upna Orcid; Rivero Fuente, Pedro J. Upna Orcid; Socorro Leránoz, Abián Bentor Upna Orcid; Urrutia Azcona, Aitor Upna Orcid; Sánchez Zábal, Pedro Upna Orcid; Zubiate Orzanco, Pablo Upna Orcid; López Torres, Diego Upna Orcid; Acha Morrás, Nerea de Upna Orcid; Ascorbe Muruzabal, Joaquín Upna Orcid; Ozcariz Celaya, Aritz Upna Orcid; Matías Maestro, Ignacio Upna Orcid (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 Orcid; Del Villar, Ignacio Upna Orcid; Corres Sanz, Jesús María Upna Orcid; Arregui San Martín, Francisco Javier Upna Orcid; Matías Maestro, Ignacio Upna Orcid (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 Orcid; Cruz, José Luis; Socorro Leránoz, Abián Bentor Upna Orcid; Díaz Lucas, Silvia Upna Orcid; Corres Sanz, Jesús María Upna Orcid; Arregui San Martín, Francisco Javier Upna Orcid; Matías Maestro, Ignacio Upna Orcid (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 ...
    • Multimode – coreless – multimode fiber-based sensors: theoretical and experimental study 

      San Fabián García, Noé Upna; Socorro Leránoz, Abián Bentor Upna Orcid; Del Villar, Ignacio Upna Orcid; Díaz Lucas, Silvia Upna Orcid; Matías Maestro, Ignacio Upna Orcid (IEEE, 2019)   Artículo / Artikulua  OpenAccess
      This paper presents a complete study on the spectral behavior of a multimode-coreless-multimode fiber-optic structure, as well as its application as a refractometer and a liquid level sensor. The combination of two standard ...
    • Optical fiber immunosensors optimized with cladding etching and ITO nanodeposition 

      Cardona-Maya, Yamile; Del Villar, Ignacio Upna Orcid; Socorro Leránoz, Abián Bentor Upna Orcid; Corres Sanz, Jesús María Upna Orcid; Botero-Cadavid, Juan F. (IEEE, 2018)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      Etched optical fiber immunosensors, with and without ITO nanodeposition, have been developed. The performance of these immunosensors has been assessed implementing an immunoassay. The sensitivity of the mmnunosensor increased ...
    • Optimization of sensors based on multimode interference in single-mode–multimode– single-mode structure 

      Del Villar, Ignacio Upna Orcid; Socorro Leránoz, Abián Bentor Upna Orcid; Corres Sanz, Jesús María Upna Orcid; Arregui San Martín, Francisco Javier Upna Orcid; Matías Maestro, Ignacio Upna Orcid (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 Orcid; Socorro Leránoz, Abián Bentor Upna Orcid; Corres Sanz, Jesús María Upna Orcid; Arregui San Martín, Francisco Javier Upna Orcid; Matías Maestro, Ignacio Upna Orcid (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 ...
    • Route towards a label-free optical waveguide sensing platform based on lossy mode resonances 

      Ruiz Zamarreño, Carlos Upna Orcid; Zubiate Orzanco, Pablo Upna Orcid; Ozcariz Celaya, Aritz Upna Orcid; Elosúa Aguado, César Upna Orcid; Socorro Leránoz, Abián Bentor Upna Orcid; Urrutia Azcona, Aitor Upna Orcid; López Torres, Diego Upna Orcid; Acha Morrás, Nerea de Upna Orcid; Ascorbe Muruzabal, Joaquín Upna Orcid; Vitoria Pascual, Ignacio Upna; Imas González, José Javier Upna Orcid; Corres Sanz, Jesús María Upna Orcid; Díaz Lucas, Silvia Upna Orcid; Hernáez Sáenz de Zaitigui, Miguel Upna Orcid; Goicoechea Fernández, Javier Upna Orcid; Arregui San Martín, Francisco Javier Upna Orcid; Matías Maestro, Ignacio Upna Orcid; Del Villar, Ignacio Upna Orcid (IFSA Publishing, 2019)   Artículo / Artikulua  OpenAccess
      According to recent market studies of the North American company Allied Market Research, the field of photonic sensors is an emerging strategic field for the following years and it is expected to garner $18 billion by ...
    • Sensitivity enhancement in low cutoff wavelength long-period fiber gratings by cladding diameter reduction 

      Del Villar, Ignacio Upna Orcid; Partridge, Matthew; Rodríguez Rodríguez, Wenceslao Eduardo; Fuentes Lorenzo, Omar Upna; Socorro Leránoz, Abián Bentor Upna Orcid; Díaz Lucas, Silvia Upna Orcid; Corres Sanz, Jesús María Upna Orcid; 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 Orcid; Cruz, José Luis; Socorro Leránoz, Abián Bentor Upna Orcid; Corres Sanz, Jesús María Upna Orcid; Matías Maestro, Ignacio Upna Orcid (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 Orcid; Socorro Leránoz, Abián Bentor Upna Orcid; Hernáez Sáenz de Zaitigui, Miguel Upna Orcid; Corres Sanz, Jesús María Upna Orcid; Ruiz Zamarreño, Carlos Upna Orcid; Sánchez Zábal, Pedro Upna Orcid; Arregui San Martín, Francisco Javier Upna Orcid; Matías Maestro, Ignacio Upna Orcid (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 Orcid (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 Orcid; Soltani, Soheil; Del Villar, Ignacio Upna Orcid; Corres Sanz, Jesús María Upna Orcid; 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 Orcid; San Fabián García, Noé Upna; Socorro Leránoz, Abián Bentor Upna Orcid; Matías Maestro, Ignacio Upna Orcid (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 ...