A5012445313- Advanced Fiber Optic Sensors
- Photonic and Optical Devices
- Analytical Chemistry and Sensors
- Plasmonic and Surface Plasmon Research
- Semiconductor Lasers and Optical Devices
- Advanced Fiber Laser Technologies
- Mechanical and Optical Resonators
- Advanced Biosensing Techniques and Applications
- Gas Sensing Nanomaterials and Sensors
- TiO2 Photocatalysis and Solar Cells
- High voltage insulation and dielectric phenomena
- Magneto-Optical Properties and Applications
- Laser Applications in Dentistry and Medicine
- Advanced Chemical Sensor Technologies
- Biosensors and Analytical Detection
- Surface Roughness and Optical Measurements
- Advanced biosensing and bioanalysis techniques
- Chalcogenide Semiconductor Thin Films
- Photodynamic Therapy Research Studies
- Gold and Silver Nanoparticles Synthesis and Applications
- Quantum Dots Synthesis And Properties
- Graphene research and applications
- Optical Coatings and Gratings
- Nanoplatforms for cancer theranostics
Universidad Pontificia Bolivariana
2025
Wake Forest University
2020
Creative Commons
2020
Universidad Publica de Navarra
2010-2017
Universidad de Navarra
2010-2017
University of East Anglia
2017
Norwich Research Park
2017
Lossy mode resonances can be obtained in the transmission spectrum of cladding removed multimode optical fiber coated with a thin-film. The sensitivity these devices to changes properties coating or surrounding medium optimized by means adequate parameterization refractive index, thickness, and index. Some basic rules design, which enable selection best parameters for each specific sensing application, are indicated this work.
A comparative study of lossy mode resonances generated by depositing two different materials is presented. The selected are indium tin oxide (ITO) and oxide. present dielectric dispersion, which leads to the generation single-peak with ITO coated optical fibers dual-peak In2O3 fibers. obvious advantage a based measurement in sensors field enhanced sensitivity increase observed on if compared those ITO. These characteristics analyzed both theoretically experimentally.
The fabrication of optical fiber refractometers by means the deposition a thin indium-oxide coating onto an core is presented. Indium-oxide permits guided light in to be coupled from its coating, creating resonances infrared and visible regions. These vary as function external medium's refractive index, enabling robust highly reproducible wavelength-based refractometers. Moreover, two differentiated have been obtained same device within 500to 1700-nm spectrum. central wavelength can adjusted...
In this work, the fabrication and characterization of novel humidity sensors based on lossy mode resonances (LMRs) are presented. Indium tin oxide (ITO) In2O3 coatings fabricated onto an optical fiber used as LMR supporting coatings. Poly-acrylic acid polyallylamin hydrochloride polymeric were sensitive layers. A comparative study between ITO devices is made. The In2O3-based show improvement in sensitivity if compared with ITO-based ones within same working range. Moreover, refractometers...
In this work it is presented the fabrication of titanium dioxide (TiO2) and poly(sodium 4-styrenesulfonate) (PSS) resonance supporting coatings onto optical fibers their utilization as transducers for relative humidity (RH) sensing. The TiO2/PSS has been performed by means layer-by-layer (LbL) electrostatic self-assembly technique using core substrate, which permits to generate several resonances in visible infrared spectral region. These vary a function refractive index medium contact with...
In this work, lossy mode resonance (LMR)-based optical fiber refractometers fabricated by using a transparent coating (indium oxide) as the LMR supporting layer are studied. The utilization of high refractive index indium oxide coatings enables fabrication highly sensitive refractometers, which can be tuned adjusting parameters, such thickness. detection technique is based on wavelength shift resonances produced both TE and TM polarization modes. Here, influence thickness sensitivity device...
In the last 4 years, experimental evidences about potential use of optical sensors based on Lossy Mode Resonances (LMR) have been presented in literature. These LMR some similarities with Surface Plasmon Resonance (SPR) sensors, gold standard label-free, real-time biomolecular interaction analysis. these new if non-metallic nano- cladding an waveguide fulfills conditions explained this work, coupling light to modes happens at certain resonance wavelengths, which enables devices as...
An indium tin oxide (ITO) refractometer based on the generation of lossy mode resonances (LMRs) and surface plasmon (SPRs) is presented. Both LMRs SPRs are excited, in a single setup, under grazing angle incidence with Kretschmann configuration an ITO thin-film deposited glass slide. The sensing capabilities device demonstrated using several solutions glycerin water refractive indices ranging from 1.33 to 1.47. excited visible range, 617 nm 682 TE polarization 533 637 TM polarization,...
This paper presents the fabrication of optical fiber relative humidity (RH) sensors by means polymeric thin-films as lossy-mode resonance (LMR) supporting coatings. In particular, LMRs are observed because polyallylamine hydrochloride (PAH) and polyacrylic acid (PAA) coatings onto cladding-removed multimode fibers on applying layer-by-layer self-assembly method. More than one LMR can be generated a function coating thickness. The generation multiple produces notch band filter with rejection...
In this work, is presented the fabrication and characterization of optical fiber refractometer based on lossy mode resonances (LMR). Indium-tin-oxide tin dioxide thin films deposited fibers are used as LMR supporting coatings. These shift to red a function external refractive index. The has been characterize degradation synthetic industrial gear lubricant oil at working temperature.
In this work, the fabrication and characterization of a small portable exhaled breath sensor based on Lossy Mode Resonances (LMR) is presented. Tin oxide (SnO <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sub> ) coatings fabricated onto optical fibers are used as LMR supporting coatings. The principle operation measurement refractive index changes by device (with an average sensitivity 8355 nm/RIU) originated condensation micro water...
Two simple optical fibre structures that do not require the inscription of a grating, cladding removed multimode (CRMOF) and single-mode structure (SMS), are compared in terms their adequateness for sensing once they coated with thin-films. The thin-film deposited (TiO 2 /PSS) permits increasing sensitivity to surrounding medium refractive index. results obtained can be extrapolated other fields such as biological or chemical just by replacing specific material.
In this work, lossy mode resonance (LMR) based optical fiber refractometers are fabricated by using a transparent coating (indium oxide), as the LMR supporting layer. The utilization of indium oxide coatings permits fabrication highly sensitive and enables tunability adjusting parameters, such thickness. detection technique is on wavelength shift LMR. work it has been studied influence external refractive index, achieving maximum sensitivity 2.24e-4 index units per nanometer. Moreover,...
In this work, it is described the fabrication and characterization of optical fiber refractometers based on lossy-mode resonances (LMR) originated by deposition different thin-film coatings around core. Two devices with coating materials are compared: one coated conducting tin doped indium oxide (ITO) other semiconducting oxide. The response these characterized compared as a function external refractive index. sensitivity obtained for resulted 39% higher than that ITO ones when resonance...
In this work, the fabrication and characterization of novel humidity sensors based on Lossy Mode Resonances (LMR) is presented. Tin oxide (SnO<sub>2</sub>) coatings fabricated onto optical fibers are used as LMR supporting coatings. The SnO<sub>2</sub> refractometers showed an average sensitivity 6715 nm/refractive index unit (RIU) in range 1.333–1.420 RIU. behavior fiber device relative (RH) sensor was also tested, monitoring its response to different surrounding levels. results show a 0.1...
In this work, is presented the fabrication and characterization of optical fiber refractometer based on lossy mode resonances (LMR). Indium-Tin-Oxide (ITO) thin films deposited fibers are used as LMR supporting coatings. These shift to red a function external refractive index. The has been characterize temperature variations related viscosity synthetic industrial gear lubricant.
Nanometer scale coatings with a complex refractive index deposited on optical fibre permit to obtain attenuation bands in the transmission spectrum, whose central wavelength coincides moment when mode guided cladding starts be coating. Due of coating, is lossy mode. Consequently, these receive name resonances. This phenomenon can used for development ultra-high sensitivity photonic devices (for detection, among others, volatile organic compounds, pH and index) or filtering. In this work,...
In this work, a CRP detection by Aptasensor based on LMR is presented. A thin film of Tin Dioxide (SnO2) has been used as generator, and the Aptamer blind onto optical fiber to perform measures.