Listar por tema "Lossy mode resonance"
Mostrando ítems 1-20 de 31
-
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 ... -
Contribution to the development of sensors based on lossy mode resonances in planar waveguide configuration
En este trabajo de tesis se muestra el estudio y diseño de sensores basados en el fenómeno de la resonancia de modos con pérdidas en configuración de guía de onda plana, lo que supone un complemento para la plataforma ... -
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 ... -
Direct functionalization of TiO2/PSS sensing layer for an LMR-based optical fiber reusable biosensor
Functionalization plays a crucial role in the development of biosensors. In this study, bioreceptors were directly immobilized onto the surface of a sensing layer after physical activation, avoiding the need for longer and ... -
Electrochemical lossy mode resonance for the detection of manganese ions
In this work we propose electrochemical lossy mode resonance (eLMR) as a powerful method for the detection of manganese (Mn) ions. The sensor is based on a simple planar waveguide (sodasingle bondlime glass coverslip) ... -
Estudio y desarrollo de recubrimientos nanoestructurados sobre fibra óptica para la detección de tensión eléctrica
El presente Trabajo Fin de Grado se centra en la investigación, caracterización y fabricación de recubrimientos mediante el empleo de materiales nanoestructurados y su posterior deposición sobre el núcleo de la fibra ... -
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 ... -
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 ... -
Fiber-based label-free D-dimer detection for early diagnosis of venous thromboembolism
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 ... -
Fiber-optic lossy mode resonance sensors
In the last 4 years, experimental evidences about the potential use of optical sensors based on Lossy Mode Resonances (LMR) have been presented in the literature. These LMR sensors have some similarities with Surface ... -
Gas detection using LMR-based optical fiber sensors
This work presents a first approach to the utilization of Lossy Mode Resonance (LMR) based optical fiber sensors for gas detection. The optical sensor is based on a SnO2 thin-film fabricated onto the core of cladding ... -
Generation of lossy mode resonances (LMR) using perovskite nanofilms
The results presented here show for the first time the experimental demonstration of the fabrication of lossy mode resonance (LMR) devices based on perovskite coatings deposited on planar waveguides. Perovskite thin films ... -
Generation of lossy mode resonances in a broadband range with multilayer coated coverslips optimized for humidity sensing
Coverslips deposited with a metallic oxide can be employed for generating lossy mode resonances by lateral incidence of light on the coverslip. Here it is demonstrated that with copper oxide the fading observed with other ... -
Generation of lossy mode resonances in planar waveguides toward development of humidity sensors
Lossy mode resonances (LMRs) are typically obtained with optical fibre. The Kretschmann configuration is an alternative but LMRs are generated with angles approaching grazing incidence. In this work, a new setup is explored, ... -
Giant sensitivity of optical fiber sensors by means of lossy moderesonance
Here we show an optical refractometer with a giant sensitivity of 304,360 nm per refractive index unit(nm/RIU). This sensitivity corresponds to a resolution of 3.28 × 10−9RIU if a standard optical spectrumanalyzer with a ... -
High sensitive and selective C-reactive protein detection by means of lossy mode resonance based optical fiber devices
This work presents the development of high sensitive, selective, fast and reusable C-reactive protein (CRP) aptasensors. This novel approach takes advantage of the utilization of high sensitive refractometers based on ... -
High sensitivity lossy-mode resonance refractometer using low refractive index PFA planar waveguide
In this work a new strategy to improve the sensitivity of refractometers based on lossy-mode resonances has been proved. The proximity of the PFA (tetrafluoroethylene-perfluoro polymer) substrate refractive index to that ... -
Is there a frontier in sensitivity with lossy mode resonance (LMR) based refractometers?
A tin dioxide thin layer has been studied in order to improve the sensitivity of lossy mode resonances (LMR) based sensors. The effects of the thin film thickness and the polarization of light in a SnO2 coated D-shaped ... -
LMR-based optical sensor for ethylene detection at visible and mid-infrared regions
Ethylene monitoring has long been a method of controlling the ripening of climacteric fruits, but it turns out that this gas is an important biomarker in biomedical applications. This work presents an optical gas sensor ... -
Lossy mode resonance based microfluidic platform developed on planar waveguide for biosensing applications
The development of resonance phenomena-based optical biosensors has gained relevance in recent years due to the excellent optical fiber properties and progress in the research on materials and techniques that allow resonance ...