Now showing items 1-20 of 174

    • Integrated platform for microfluidics based cell culture applications 

      Dudala, Sohan; Dubey, Satish K.; Javed, Arshad; Ozcariz Celaya, Aritz Upna Orcid; Matías Maestro, Ignacio Upna Orcid; Goel, Sanket (Springer, 2023)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      The ongoing developments in the field of microfluidics-based cell culture have led to a significant interest in systems for their visualization and control. The existing cell culture systems are limiting due to cost, ...
    • A novel ku-band circularly-polarized horn antenna based on a ridged wall 

      Marzo Oyarbide, Andoni; Teberio Berdún, Fernando Upna Orcid; Teniente Vallinas, Jorge Upna Orcid (IEEE, 2023)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      In this paper, a novel wideband (31.5 % bandwidth) circularly-polarized antenna based on a ridged wall is presented. A pair of ridges on the inner wall of the horn serves as an inbuilt polarizer, which can generate left-hand ...
    • Multi-sensing platform design with a grating-based nanostructure on a coverslip substrate 

      Imas González, José Javier Upna Orcid; Del Villar, Ignacio Upna Orcid; Ruiz Zamarreño, Carlos Upna Orcid; Mukhopadhyay, Subhas C.; Matías Maestro, Ignacio Upna Orcid (Springer, 2023)   Contribución a congreso / Biltzarrerako ekarpena
      Two different thin film designs with a grating pattern are simulated on a soda lime coverslip, which acts as optical waveguide, with the purpose of generating both a lossy mode resonance (LMR) in transmission and reflection ...
    • Building global competencies: a strategic approach to internationalization of engineering education 

      Berrueta Irigoyen, Alberto Upna Orcid; Samanes Pascual, Javier Upna Orcid; Parra Laita, Íñigo de la Upna Orcid; Goicoechea Fernández, Javier Upna Orcid; Sanchis Gúrpide, Pablo Upna Orcid (Eindhoven University of Technology and Fontys University of Applied Sciences, 2023)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      International mobility is an essential aspect of undergraduate education that enables students to acquire the necessary competences required by the European Higher Education Area (EHEA). However, small universities such ...
    • Onset of irreversible reactions in overcharging lithium-ion cells: an experimental and modeling approach 

      Irujo Izcue, Elisa; Berrueta Irigoyen, Alberto Upna Orcid; Lalinde Sainz, Iñaki; Arza, Joseba; Sanchis Gúrpide, Pablo Upna Orcid; Ursúa Rubio, Alfredo Upna Orcid (IEEE, 2023)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      Lithium-ion batteries are energy storage systems used in an increasing number of applications. Due to their flammable materials, their use entails risks of fire and explosion. The study of the abuse operation of these ...
    • Temperature indicators and overtemperature detection in lithium-ion batteries based on electrochemical impedance spectroscopy 

      Lalinde Sainz, Iñaki; Berrueta Irigoyen, Alberto Upna Orcid; Soto Cabria, Adrián Upna Orcid; Arza, Joseba; Sanchis Gúrpide, Pablo Upna Orcid; Ursúa Rubio, Alfredo Upna Orcid (IEEE, 2023)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      Lithium-ion batteries are the leading technology for energy storage systems due to their attractive advantages. However, the safety of lithium-ion batteries is a major concern, as their operating conditions are limited in ...
    • A new ABS conductive material to develop fully 3D-printed patch antennas 

      Jiménez Peña, Javier; Irigoyen, Joseba; Aresti Bartolomé, Maite; Ederra Urzainqui,  Íñigo Upna Orcid; Bravo Larrea, Javier Upna Orcid; Iriarte Galarregui, Juan Carlos Upna Orcid (IEEE, 2023)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      Additive manufacturing technology is rapidly overcoming some of its initial limitations and, thus, creating a very useful engineering option for prototyping complex geometries for a wide range of electronic devices. Based ...
    • One-year analysis of road condition using FBG arrays 

      Corera Orzanco, Íñigo Upna Orcid; Pradas Martínez, Javier Upna; Leandro González, Daniel Upna Orcid; Bravo Acha, Mikel Upna Orcid; López-Amo Sáinz, Manuel Upna Orcid (SPIE, 2023)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      In this work, it is presented an analysis of FBG arrays installed in a public road. The arrays were installed in a newly paved urban road and were monitored for more than one year. The study evidences the permanent deformation ...
    • Erbium-doped fiber ring cavity for the measurement of refractive index variations 

      Pérez Herrera, Rosa Ana Upna Orcid; Soares, Liliana; Novais, Susana; Frazão, Orlando; Silva, Susana (SPIE, 2023)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      In this work, an erbium-doped fiber ring cavity based on a 3dB optical coupler for refractive index measurements is presented and experimentally verified. This interrogation system, based on a 1 x 2 optical coupler, uses ...
    • Aluminum coated fiber optic sensor for enhancing flow rate measurement 

      Rodríguez Rodríguez, Armando; Urroz Unzueta, José Carlos Upna Orcid; Diéguez Elizondo, Pedro Upna Orcid; Bravo Acha, Mikel Upna Orcid; López-Amo Sáinz, Manuel Upna Orcid; López Rodríguez, José Javier Upna Orcid (SPIE, 2023)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      A water flow and velocity aluminum-coated Fiber Bragg Grating sensor system for open channels was designed, simulated and tested. The sensing head was designed, ruggedized and customized to measure velocities at ...
    • Fiber optic mirror fabrication using general-purpose metallic pigments 

      Jaso Gallego, Isabel; Mejia-Olivo, Edison; Bravo Acha, Mikel Upna Orcid; Leandro González, Daniel Upna Orcid; López-Amo Sáinz, Manuel Upna Orcid (SPIE, 2023)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      In this work, the potential of using general-purpose paints to fabricate highly reflective, low-cost optical mirrors is evaluated. The study shows that high-reflectivity mirrors can be created in standard single-mode fiber ...
    • Measurement of paracetamol concentration using a fiber laser system 

      Soares, Liliana; Pérez Herrera, Rosa Ana Upna Orcid; Novais, Susana; Ferreira, António; Frazão, Orlando; Silva, Susana (IEEE, 2023)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      A linear fiber laser system for measurements of paracetamol concentration is experimentally demonstrated. The cavity is based on a fiber loop mirror and an FBG centered at 1567.8 nm. The sensing head corresponds to a ...
    • Women, Science and Technology Chair—Promoting women’s careers in stem fields 

      Pérez Artieda, Miren Gurutze Upna Orcid; Gómez Fernández, Marisol Upna Orcid; Aranguren Garacochea, Patricia Upna Orcid; Barrenechea Tartas, Edurne Upna Orcid; Catalán Ros, Leyre Upna Orcid; Díaz Lucas, Silvia Upna Orcid; Jurío Munárriz, Aránzazu Upna Orcid; Martínez Ramírez, Alicia Upna Orcid; Millor Muruzábal, Nora Upna Orcid; Ortiz Nicolás, Amalia; San Martín Biurrun, Idoia Upna Orcid (IEEE, 2023)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      The Chair of Women, Science and Technology of the Universidad Pública de Navarra (UPNA) aims to increase the participation of women in the fields of science and technology. Scientific culture and dissemination are the main ...
    • Multicore fiber sensors for strain measurement towards traffic monitoring 

      Sánchez González, Arturo; Pradas Martínez, Javier Upna; Corera Orzanco, Íñigo Upna Orcid; Bravo Acha, Mikel Upna Orcid; Leandro González, Daniel Upna Orcid; Dauliat, Romain; Jamier, Raphael; Roy, Philippe; Pérez Herrera, Rosa Ana Upna Orcid; López-Amo Sáinz, Manuel Upna Orcid (SPIE, 2023)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      In this work, two new interferometric sensors based on multicore optical fibers for the measurement of strain with the ultimate goal of traffic monitoring are presented. The operating principle of each sensor relied on ...
    • Outdoor performance of a CdTe based PV generator during 5 years of operation 

      Guerra Menjívar, Moisés Roberto; Parra Laita, Íñigo de la Upna Orcid; Marcos Álvarez, Javier Upna Orcid; García Solano, Miguel Upna Orcid; Marroyo Palomo, Luis Upna Orcid (IEEE, 2022)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      Together with the huge growth of the traditional crystalline silicon (Si-x) PV manufacturers, other thin-film solar cells have also emerged such as cadmium telluride (CdTe) manufacturers. They are characterized by the ...
    • Toroidal inductor design in multilevel DC-DC electric vehicle battery charger including high-frequency effects 

      Elizondo Martínez, David Upna Orcid; Barrios Rípodas, Ernesto Upna Orcid; Sanchis Gúrpide, Pablo Upna Orcid (IEEE, 2022)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      Inductor filters, such as the ones implemented in DC-DC buck-boost converters for electric vehicle chargers, have a major impact on the converter weight, volume and cost. Thus, their design is key in order to obtain an ...
    • Ordered titanium dioxide nanotubes for lossy-mode resonance-based humidity sensing 

      Pitula, Emil; Kouao, Dujearic-Stephane; Grochowska, Katarzyna; Sezemsky, Petr; Simerova, Radka; Domínguez Rodríguez, Ismel Upna Orcid; Siuzdak, Katarzyna; Del Villar, Ignacio Upna Orcid; Stranak, Vitezslav; Smietana, Mateusz (Optica Publishing Group, 2022)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      Ordered titanium dioxide nanotubes on indium tin oxide as a structure supporting lossy-mode resonance is reported. Capability for application of the structure for optical humidity sensing is shown as an application example.
    • Evolutionary algorithms applied to multi-layered radiative cooling metamaterials 

      Lezaun Capdevila, Carlos; Jorajuría, Tania Upna Orcid; Torres García, Alicia E. Upna Orcid; Herrera, Pilar; Beruete Díaz, Miguel Upna Orcid (IEEE, 2022)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      A newly design method for designing multi-layered radiative cooling metamaterials based on genetic algorithms (GAs) is exposed. The developed GA has been tested in three cases, resulting in three different structures that ...
    • High-yield waveguide diplexer for low-cost E-band 5G point-to-point radio links 

      Teberio Berdún, Fernando Upna Orcid; Calero Fernández, Ibai; Arregui Padilla, Iván Upna Orcid; Martín Iglesias, Petronilo; Teniente Vallinas, Jorge Upna Orcid; Gómez Laso, Miguel Ángel Upna Orcid (IEEE, 2022)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      This paper presents the design and realization of a high-yield tuning-less waveguide diplexer and a high-gain lens horn antenna for 5G point-to-point fixed-beam communications at the frequency ranges of 71/76 GHz and 81/86 ...
    • f-HybridMem: a consensual analysis via fuzzy consensus measures and penalty functions 

      Oliveira, Lizandro de Souza; Yamin, Adenauer; Reiser, Renata; Santos, Helida (IEEE, 2022)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      This paper considers the consensual analysis in decision-making (CDM) processes based on fuzzy logic (FL) and interval-valued fuzzy logic (IVFL), providing a CDM-strategy, by exploring the axiomatic properties of fuzzy ...

      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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