Listar Artículos de revista DIEC - IEKS Aldizkari artikuluak por fecha de publicación
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Gas sensor based on lossy mode resonances by means of thin graphene oxide films fabricated onto planar coverslips
The use of planar waveguides has recently shown great success in the field of optical sensors based on the Lossy Mode Resonance (LMR) phenomenon. The properties of Graphene Oxide (GO) have been widely exploited in various ... -
Impact of graphene monolayer on the performance of non-conventional silicon heterojunction solar cells with moox hole-selective contact
In this work, a new design of transparent conductive electrode based on a graphene monolayer is evaluated. This hybrid electrode is incorporated into non-standard, high-efficiency crystalline silicon solar cells, where the ... -
Performance analysis of a distributed optical fiber vibration sensor based on a sagnac interferometer
In this work, measuring capabilities of a Sagnac Interferometer-based Distributed Optical Fiber Sensor (DOFS) system are demonstrated by comparing its results to a conventional amplitude-based Distributed Acoustic Sensing ... -
Measurement of paracetamol concentration using an erbium-doped fiber ring cavity
Process Analytical Technology (PAT) has been increasingly used in the pharmaceutical industry to monitor essential parameters in real-time during pharmaceutical processes. The concentration of Active Pharmaceutical Ingredients ... -
Long-range traffic monitoring based on pulse-compression distributed acoustic sensing and advanced vehicle tracking and classification algorithm
We introduce a novel long-range traffic monitoring system for vehicle detection, tracking, and classification based on fiber-optic distributed acoustic sensing (DAS). High resolution and long range are provided by the use ... -
Synthesis of rectangular waveguide filters with smooth profile oriented to direct metal additive manufacturing
In this paper, a novel design method for rectangular waveguide filters intended for fabrication using direct metal additive manufacturing is proposed. The synthesized filters will feature a smooth profile that allows us ... -
Design, assessment and deployment of an efficient golf game dynamics management system based on flexible wireless technologies
The practice of sports has been steadily evolving, taking advantage of different technological tools to improve different aspects such as individual/collective training, support in match development or enhancement of ... -
Metasurface-inspired flexible wearable MIMO antenna array for wireless body area network applications and biomedical telemetry devices
This article presents a sub-6GHz ISM-band flexible wearable MIMO antenna array for wireless body area networks (WBANs) and biomedical telemetry devices. The array is based on metasurface inspired technology. The antenna ... -
A shorted stub loaded UWB flexible antenna for small IoT devices
In this manuscript, a compact in size yet geometrically simple Ultra-Wideband (UWB) antenna is demonstrated. The flexible-by-nature substrate ROGERS 5880, having a thickness of 0.254 mm, is utilized to design the proposed ... -
Surface exciton polariton resonances (SEPR)-based sensors
(Elsevier, 2023) Artículo / ArtikuluaA new type of resonance in the development of sensors using long-range surface exciton polariton (LRSEP) phenomena has been coined: surface exciton plasmon resonance (SEPR). The resonance was obtained in the reflected ... -
The filling factor of the sEMG signal at low contraction forces in the quadriceps muscles is influenced by the thickness of the subcutaneous layer
Introduction: It has been shown that, for male subjects, the sEMG activity at low contraction forces is normally 'pulsatile', i.e., formed by a few large-amplitude MUPs, coming from the most superficial motor units. The ... -
Ultra-low frequency multidirectional harvester for wind turbines
In this paper we propose, and demonstrate through a prototype, a completely novel device able to harvest mechanical energy from the multidirectional vibrations in a wind turbine, and convert it into electrical, to power ... -
Spectrally stable thermal emitters enabled by material-based high-impedance surfaces
Radiative thermal engineering with subwavelength metallic bodies is a key element for heat and energy management applications, communication and sensing. Here, we numerically and experimentally demonstrate metallic thermal ... -
Lossy mode resonance-based optical immunosensor towards detecting gliadin in aqueous solutions
The development of accurate, intuitive, and easy-to-handle devices to detect different types of allergens is on the rise, as these are useful tools to guarantee consumer safety, which should be a priority for any food ... -
Low-loss and dual-band filter inspired by glide symmetry principle over millimeter-wave spectrum for 5G cellular networks
This paper focuses on designing a dual-band, bandpass filter configuration inspired by glide-symmetric structures in a single plane. Geometry configuration of elliptical slots on both sides of single substrate generally ... -
Improving the width of lossy mode resonances (LMRs) in double-clad fibers
In this work, the characteristics of lossy mode resonances (LMRs) in double-clad fibers where the refractive index (RI) of the second cladding is lower than that of the first cladding are analyzed both numerically and ... -
MmWave channel stationarity analysis of V2X communications in an urban environment
Vehicular communication channels are subject to high nonstationarity mainly characterized by the scatterers’ and/or transceivers’ high mobility. In this sense, this letter presents a characterization of the channel ... -
Reduced loss and prevention of substrate modes with a novel Coplanar Waveguide based on Gap Waveguide technology
The Gap Waveguide technology utilizes an Artificial Magnetic Conductor (AMC) to prevent the propagation of electromagnetic (EM) waves under certain conditions, resulting in various gap waveguide configurations. In this ... -
Metal-free design of a multilayered metamaterial with chirped Bragg grating for enhanced radiative cooling
A wideband, all-dielectric metamaterial structure for enhancing radiative cooling is investigated. The structure is optimized to reflect most of the solar irradiance window (between 0.3 µm–3 µm), which is one of the biggest ... -
A study on the EDM drilling of reaction-bonded silicon carbide using different electrode materials
Today, there is a growing demand for efficient hole manufacturing technology in many industries such as aeronautics, automotive and nuclear, among others. Thus, the present study deals with the machining of through holes ...