• Addressing the impact of surface roughness on epsilon-near-zero silicon carbide substrates 

      Navajas Hernández, David Upna; Pérez Escudero, José Manuel Upna Orcid; Martínez Hernández, María Elena Upna Orcid; Goicoechea Fernández, Javier Upna Orcid; Liberal Olleta, Íñigo Upna Orcid (American Chemical Society, 2023)   Artículo / Artikulua  OpenAccess
      Epsilon-near-zero (ENZ) media have been very actively investigated due to their unconventional wave phenomena and strengthened nonlinear response. However, the technological impact of ENZ media will be determined by the ...
    • Generation of lossy mode resonances with different nanocoatings deposited on coverslips 

      Fuentes Lorenzo, Omar Upna; Goicoechea Fernández, Javier Upna Orcid; Corres Sanz, Jesús María Upna Orcid; Del Villar, Ignacio Upna Orcid; Ozcariz Celaya, Aritz Upna Orcid; Matías Maestro, Ignacio Upna Orcid (Optical Society of America, 2020)   Artículo / Artikulua  OpenAccess
      The generation of lossy mode resonances (LMRs) with a setup based on lateral incidence of light in coverslips is a simple platform that can be used for sensing. Here the versatility of this platform is proved by studying ...
    • Hg2+ optical fiber sensor based on LSPR generated by gold nanoparticles embedded in LBL nano-assembled coatings 

      Martínez Hernández, María Elena Upna Orcid; Goicoechea Fernández, Javier Upna Orcid; Arregui San Martín, Francisco Javier Upna Orcid (MDPI, 2019)   Artículo / Artikulua  OpenAccess
      Mercury is an important contaminant since it is accumulated in the body of living beings, and very small concentrations are very dangerous in the long term. This paper reports the fabrication of a highly sensitive fiber ...
    • In situ synthesis of gold nanoparticles in layer-b y-layer polymeric coatings for the fabrication of optical fiber sensors 

      Martínez Hernández, María Elena Upna Orcid; Goicoechea Fernández, Javier Upna Orcid; Rivero Fuente, Pedro J. Upna Orcid; Arregui San Martín, Francisco Javier Upna Orcid (MDPI, 2022)   Artículo / Artikulua  OpenAccess
      A new method is proposed to tune the interferometric response of wavelength-based optical fiber sensors. Using the nanoparticle in situ synthesis (ISS) technique, it is possible to synthesize gold nanoparticles (AuNPs) ...
    • Layer-by-layer nano-assembly: a powerful tool for optical fiber sensing applications 

      Rivero Fuente, Pedro J. Upna Orcid; Goicoechea Fernández, Javier Upna Orcid; Arregui San Martín, Francisco Javier Upna Orcid (MDPI, 2019)   Artículo / Artikulua  OpenAccess
      The ability to tune the composition of nanostructured thin films is a hot topic for the design of functional coatings with advanced properties for sensing applications. The control of the structure at the nanoscale level ...
    • 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 Orcid; 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 ...
    • Self-referenced optical fiber sensor based on LSPR generated by gold and silver nanoparticles embedded in layer-by-layer nanostructured coatings 

      Martínez Hernández, María Elena Upna Orcid; Goicoechea Fernández, Javier Upna Orcid; Rivero Fuente, Pedro J. Upna Orcid; Sandúa Fernández, Xabier; Arregui San Martín, Francisco Javier Upna Orcid (MDPI, 2022)   Artículo / Artikulua  OpenAccess
      In this work, an optical fiber sensor based on the localized surface plasmon resonance (LSPR) phenomenon has been designed for the detection of two different chemical species (mercury and hydrogen peroxide) by using ...
    • Self-referenced optical fiber sensor for hydrogen peroxide detection based on LSPR of metallic nanoparticles in layer-by-layer films 

      Goicoechea Fernández, Javier Upna Orcid; Rivero Fuente, Pedro J. Upna Orcid; Sada Oreja, Samuel; Arregui San Martín, Francisco Javier Upna Orcid (MDPI, 2019)   Artículo / Artikulua  OpenAccess
      Intensity-based optical fiber sensors are one of the most studied sensor approaches thanks to their simplicity and low cost. Nevertheless, their main issue is their lack of robustness since any light source fluctuation, ...
    • Silicon carbide as a material-based high-impedance surface for enhanced absorption within ultra-thin metallic films 

      Pérez Escudero, José Manuel Upna Orcid; Buldain, Iban; Beruete Díaz, Miguel Upna Orcid; Goicoechea Fernández, Javier Upna Orcid; Liberal Olleta, Íñigo Upna Orcid (Optical Society of America, 2020)   Artículo / Artikulua  OpenAccess
      The absorption of infrared radiation within ultra-thin metallic films is technologically relevant for different thermal engineering applications and optoelectronic devices, as well as for fundamental research on sub-nanometer ...

      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).
      Logo MinisterioLogo Fecyt