Listar por autor UPNA "Ruiz Zamarreño, Carlos"
Mostrando ítems 1-20 de 74
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Advances in fiber optic DNA-based sensors: a review
DNA is becoming increasingly important in the domain of optical fiber sensors, either as a tool for biosensing, or as a target to detect. In this review the main contributions of the last years are presented both in the ... -
Alfalfa quality detection by means of VIS-NIR optical fiber reflection spectroscopy
A first approach study for the classification of alfalfa (medicago sativa) quality has been performed by means of VIS-NIR optical fiber reflection spectroscopy. Reflection spectral data has been obtained from alfalfa samples ... -
All-fiber ellipsometer for nanoscale dielectric coatings
Multiple mode resonance shifts in tilted fiber Bragg gratings (TFBGs) are used to simultaneously measure the thickness and the refractive index of TiO2 thin films formed by Atomic Layer Deposition (ALD) on optical fibers. ... -
Aluminum doped zinc oxide (AZO) coated optical fiber LMR refractometers. An experimental demonstration
This work presents the experimental demonstration of lossy mode resonance generation by means of aluminum doped zinc oxide thin-films. The use of such material may allow to optimize the performance of LMR-based sensors, ... -
Ammonia gas optical sensor based on lossy mode resonances
This letter presents the fabrication and characterization of an ammonia (NH 3) gas optical sensor based on lossy mode resonances (LMRs). A chromium (III) oxide (Cr 2 O 3) thin film deposited onto a planar waveguide was ... -
An antibacterial coating based on a polymer/sol-gel hybrid matrix loaded with silver nanoparticles
In this work a novel antibacterial surface composed of an organic-inorganic hybrid matrix of tetraorthosilicate and a polyelectrolyte is presented. A precursor solution of tetraethoxysilane (TEOS) and poly(acrylic acid ... -
Automated forearm prosthesis controlling using fiber bragg grating sensor
(Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo, 2023) Artículo / ArtikuluaThis paper describes the automation of a forearm prosthesis using the signal collected by a Fiber Bragg Grating (FBG) sensor. The FBG sensor is applied to one subject's forearm to measure the deformation as a result of the ... -
Beyond near-infrared lossy mode resonances with fluoride glass optical fiber
The objective of this Letter consists of the exploration of the lossy mode resonance (LMR) phenomenon beyond the nearinfrared region and specifically in the short wave infrared region (SWIR) and medium wave infrared region ... -
Cobalt detection using fluorescent dye layers
In this paper, we report the preliminary results regarding the use of fluorescent dye calcein (C30H26N2O13) as a sensor for the detection of cobalt levels in aqueous solutions. The sensor cell based on calcein is built by ... -
A comprehensive review: materials for the fabrication of optical fiber refractometers based on lossy mode resonance
Lossy mode resonance based sensors have been extensively studied in recent years. The versatility of the lossy mode resonance phenomenon has led to the development of sensors based on different configurations that make use ... -
Contribución al desarrollo de refractómetros de fibra óptica basados en resonancias de modos con pérdidas
El desarrollo de nuevos materiales y métodos de deposición a escala nanométrica ha supuesto una auténtica revolución en muchas disciplinas de la investigación. En particular, los recubrimientos nanoestructurados permiten ... -
Copper oxide coated D-shaped optical fibers for the development of LMR refractometers
Lossy mode resonance (LMR) based refractometers obtained by means of copper oxide thin-films fabricated onto side-polished (D-shaped) are presented in this work. The high refractive index of copper oxide combined with the ... -
Design rules for lossy mode resonance based sensors
Lossy mode resonances can be obtained in the transmission spectrum of cladding removed multimode optical fiber coated with a thin-film. The sensitivity of these devices to changes in the properties of the coating or the ... -
Electric discharge detection and localization using a distributed optical fiber vibration sensor
Partial discharges are a type of electric discharge that cause localized breakdowns in a small portion of an insulating material without forming a complete rupture. In high power electric machines as well as in transmission ... -
Experimental demonstration of lossy mode resonance generation for transverse-magnetic and transverse-electric polarizations
This Letter, presents the fabrication of lossy mode resonance (LMR) devices based on titanium dioxide (TiO2)/ poly(sodium 4-styrenesulfonate) (PSS) coatings deposited on side-polished D-shaped optical fibers. TiO2 thin ... -
Experimental study and sensing applications of polarization-dependent lossy mode resonances generated by D-shape coated optical fibers
The fabrication and characterization of an optical fiber refractometer based on Lossy Mode Resonances (LMR) is presented. TiO2/ poly (sodium 4-styrenesulfonate) (PSS) coatings deposited on side-polished D-shaped optical ... -
Femtomolar detection by nanocoated fiber label-free biosensors
The advent of optical fibre-based biosensors combined with that of nanotechnologies has provided an oppor-tunity for developing in situ, portable, lightweight, versatile and high-performance optical sensing platforms. We ... -
A fiber optic ammonia sensor using a universal pH indicator
A universal pH indicator is used to fabricate a fiber optic ammonia sensor. The advantage of this pH indicator is that it exhibits sensitivity to ammonia over a broad wavelength range. This provides a differential response, ... -
Fiber optic sensor based on fluorescence quenching for heavy metal detection
In this paper, we present the preliminary results of a fiber optic sensor based on fluorescence quenching induced by mercury (Hg) concentrations presence in aqueous solutions. The fabrication of the sensor head consists ... -
Fiber-based early diagnosis of venous thromboembolic disease by label-free D-dimer detection
D-dimer is a useful diagnostic biomarker for deep vein thrombosis or pulmonary embolism, collectively referred to as venous thromboembolism (VTE). The ability to detect in real-time the amount of D-dimer with a fast and ...