Listar Comunicaciones y ponencias de congresos DIEC - IEKS Biltzarretako komunikazioak eta txostenak por título
Mostrando ítems 107-126 de 180
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Measurement of paracetamol concentration using a fiber laser system
Soares, Liliana; Pérez Herrera, Rosa Ana
; Novais, Susana; Ferreira, António; Frazão, Orlando; Silva, Susana (IEEE, 2023)
Contribución a congreso / Biltzarrerako ekarpena 
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 ... -
Medida de torsión en seguidores solares con sensores de fibra óptica
Leandro González, Daniel ; Bravo Acha, Mikel ; López-Amo Sáinz, Manuel ; Loayssa Lara, Alayn; Júdez Colorado, Aitor ; Mariñelarena Ollacarizqueta, Jon ; Falcone Lanas, Francisco Javier ; Jiménez Romero, Sergio; Moriana García, Iñaki (SEDOPTICA, 2021)
Contribución a congreso / Biltzarrerako ekarpena
En este trabajo se ha monitorizado la torsión sufrida por una estructura de seguidores solares empleando sensores de fibra óptica. Estas medidas de campo se han obtenido con una red de sensores formada por 45 redes de ... -
Metal 3D printed D-Band waveguide to surface wave transition
Freer, Suzanna; Martinez, Rafael; Pérez Quintana, Dayan ; Beruete Díaz, Miguel ; Hanham, Stephen M.; Attallah, Moataz M.; Navarro Cía, Miguel (IEEE, 2020)
Contribución a congreso / Biltzarrerako ekarpena
The coupling efficiency between free space waves and surface waves is low, narrowband, or both. Highly efficient broadband (better than 20% fractional bandwidth) coupling from waveguide modes can be achieved through ... -
Micro sized interdigital capacitor for humidity detection based on agarose coating
Vitoria Pascual, Ignacio ; Armas, Dayron; Coronel Camones, Carlos Manuel; Ozcariz Celaya, Aritz ; Ruiz Zamarreño, Carlos ; Matías Maestro, Ignacio (2021)
Contribución a congreso / Biltzarrerako ekarpena
A micro sized interdigital capacitor has been proposed for the detection of relative humidity. The photolithography technique enables the fabrication of fingers with a size of 10x500 um. A thin film of agarose functionalizes ... -
Micro-displacement sensor based on hollow core fiber interferometers
Sánchez González, Arturo; Rodríguez Rodríguez, Armando; Dauliat, R.; Jamier, Raphael; Roy, Philippe; Pérez Herrera, Rosa Ana ; López-Amo Sáinz, Manuel (Optica, 2022)
Contribución a congreso / Biltzarrerako ekarpena
An interferometric sensor based on hollow core fibers for the measurement of micro-displacement has been designed. Its characterization has resulted in a linear response, suggesting its application in pressure sensors. -
Micro-displacement sensor based on hollow core fiber interferometers
Dauliat, R.; Jamier, Raphael; Roy, Philippe; López-Amo Sáinz, Manuel ; Pérez Herrera, Rosa Ana ; Rodríguez Rodríguez, Armando; Sánchez González, Arturo (Optica, 2022)
Contribución a congreso / Biltzarrerako ekarpena
An interferometric sensor based on hollow core fibers for the measurement of micro-displacement has been designed. Its characterization has resulted in a linear response, suggesting its application in pressure sensors. -
Micro-drilled optical fiber for enhanced laser strain sensors
Pérez Herrera, Rosa Ana ; Bravo Acha, Mikel ; Roldán Varona, Pablo; Leandro González, Daniel ; Rodríguez Cobo, Luis; López Higuera, José Miguel; López-Amo Sáinz, Manuel (SPIE, 2019)
Contribución a congreso / Biltzarrerako ekarpena
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 ... -
Microstructured optical fiber sensor for soil moisture measurements
López Aldaba, Aitor; López Torres, Diego ; Campo-Bescós, Miguel ; López Rodríguez, José Javier ; Yerro Lizarazu, David; Elosúa Aguado, César ; Arregui San Martín, Francisco Javier ; Auguste, Jean-Louis; Jamier, Raphael; Roy, Philippe; López-Amo Sáinz, Manuel (Optical Society of America, 2018)
Contribución a congreso / Biltzarrerako ekarpena
A discrete sensor based on a Sn0₂-FP (Fabry-Pérot) cavity is presented and characterized in real soil conditions. Results are compared, for the first time to our knowledge, with a commercial capacitive sensor and gravimetric ... -
MIMO based decoupling strategy for grid connected power converters controlled in the synchronous reference frame
Samanes Pascual, Javier ; Gubía Villabona, Eugenio ; López Taberna, Jesús (IEEE, 2018)
Contribución a congreso / Biltzarrerako ekarpena
Power converters are frequently connected to the grid through a LCL filter, controlling its power transfer through a current control loop in the synchronous reference frame. In this reference frame, cross coupling terms ... -
Mode transition during deposition of nanoscale ITO coatings on tilted fiber Bragg gratings
Imas González, José Javier ; Albert, Jacques; Del Villar, Ignacio ; Ozcariz Celaya, Aritz ; Ruiz Zamarreño, Carlos ; Matías Maestro, Ignacio (Optica Publishing Group, 2022)
Contribución a congreso / Biltzarrerako ekarpena
The mode transition phenomenon is experimentally demonstrated in tilted fiber Bragg gratings (TFBG) through the deposition of an indium tin oxide (ITO) thin film employing a DC sputtering machine. -
Modeling solar cavity receivers: a review and comparison of natural convection heat loss correlations
Samanes Pascual, Javier ; García-Barberena Labiano, Javier; Zaversky, Fritz (Elsevier, 2015)
Contribución a congreso / Biltzarrerako ekarpena
As the main difficulty of modeling cavity receivers is determining natural convection heat losses, this paper presents a survey of the different natural convection correlations developed by several authors to model natural ... -
Modeling the inherent damping of high-power inverters
Erdocia Zabala, Ioseba; Urtasun Erburu, Andoni ; Marroyo Palomo, Luis (IEEE, 2020)
Contribución a congreso / Biltzarrerako ekarpena
In order to decide whether passive or active damping is required in a three-phase inverter, a previous step is to assess the intrinsic damping of the system. However, few works focus on modeling this damping for DC/AC ... -
Modelling and operation of 6-pulse thyristor rectifiers for supplying high power electrolyzers
Iribarren Zabalegui, Álvaro; Barrios Rípodas, Ernesto ; Ibaiondo, Harkaitz; Sánchez Ruiz, Alain; Arza, Joseba; Sanchis Gúrpide, Pablo ; Ursúa Rubio, Alfredo (IEEE, 2022)
Contribución a congreso / Biltzarrerako ekarpena
This paper presents a detailed analysis of a 6-pulse thyristor rectifier aimed at supplying high power electrolyzers. For this purpose, an analytical model of the three-phase controlled rectifier with AC-side inductance ... -
Monitoring of electric buses within an urban smart city environment
Astrain Escola, José Javier ; Falcone Lanas, Francisco Javier ; López Martín, Antonio ; Sanchis Gúrpide, Pablo ; Villadangos Alonso, Jesús (IEEE, 2021)
Contribución a congreso / Biltzarrerako ekarpena
A practical experience on monitoring the data generated by electric buses is presented, focusing on energy consumption, charge and state of the batteries. The work is carried out in the framework of a global smart city ... -
Multi-sensing platform design with a grating-based nanostructure on a coverslip substrate
Imas González, José Javier ; Del Villar, Ignacio ; Ruiz Zamarreño, Carlos ; Mukhopadhyay, Subhas C.; Matías Maestro, Ignacio (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 ... -
Multicore fiber sensors for strain measurement towards traffic monitoring
Sánchez González, Arturo; Pradas Martínez, Javier; Corera Orzanco, Íñigo ; Bravo Acha, Mikel ; Leandro González, Daniel ; Dauliat, Romain; Jamier, Raphael; Roy, Philippe; Pérez Herrera, Rosa Ana ; López-Amo Sáinz, Manuel (SPIE, 2023)
Contribución a congreso / Biltzarrerako ekarpena
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 ... -
Multipactor breakdown analysis of Ku-band meandered low-pass filter
Sami, Abdul; Teberio Berdún, Fernando ; Arnedo Gil, Israel; Martín Iglesias, Petronilo; Lopetegui Beregaña, José María; Gómez Laso, Miguel Ángel ; Arregui Padilla, Iván (2022)
Contribución a congreso / Biltzarrerako ekarpena
In this work, a very compact rectangular waveguide low-pass filter with meandered topology based on commensurate lines for Ku-band satellite applications is analysed for high-power handling capabilities. The device consists ... -
Multiplexing optical fiber Fabry-Perot interferometers based on air-microcavities
Pérez Herrera, Rosa Ana ; Novais, Susana; Bravo Acha, Mikel ; Leandro González, Daniel ; Silva, Susana; Frazão, Orlando; López-Amo Sáinz, Manuel (SPIE, 2019)
Contribución a congreso / Biltzarrerako ekarpena
In this work we demonstrate the multiplexing capability of new optical fiber Fabry-Perot interferometers based on airmicrocavities using a commercial FBG interrogator. Three optimized air-microcavity interferometer sensors ... -
Mutual-coupling reduction in metamaterial substrate integrated waveguide slotted antenna arrays using metal fence isolators for SAR and MIMO applications
Alibakhshikenari, Mohammad; Virdee, Bal S.; See, Chan H.; Abd-Alhameed, Raed; Falcone Lanas, Francisco Javier ; Limiti, Ernesto (IEEE, 2018)
Contribución a congreso / Biltzarrerako ekarpena
A new type of mutual coupling reduction technique is applied to metamaterial substrate integrated waveguide (SIW) slotted antenna array. The circular shaped reference SIW antenna array is constructed from Alumina substrate ... -
Narrowband and spectrally robust thermal emission from metallic thin films on top of epsilon-near-zero substrates
Navajas Hernández, David; Pérez Escudero, José Manuel ; Liberal Olleta, Íñigo (IEEE, 2022)
Contribución a congreso / Biltzarrerako ekarpena
The absorption and emission of infrared radiation by ultra-thin metallic films is a key element in several thermal engineering applications such as heat and energy management, and thermal camouflage. However, ultra-thin ...
