Listar FRD - Investigación - Ciencia y Tecnología por título
Mostrando ítems 70-89 de 149
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Fabricación y Caracterización de Sustratos Plasmónicos Basados en Nanobastones de Oro
(2015)Se fabricaron sustratos plasmónicos mediante el recubrimiento controlado de superficies de vidrio y películas delgadas de oro con nanobastones de oro. Estos sustratos nanoestructurados poseen resonancias ópticas en el ... -
Fabry Perot detector for low coherence interferometry
(2023-06)Se proponen dos diseños teóricos de detectores de intensidad para distintas longitudes de onda basados en cavidades Fabry Perot para ser aplicados en la técnica de interferometría de baja coherencia en el dominio de las ... -
Fast scanner with position monitor forlargeopticaldelays
(2001-11-01)Wepresent a new fastscansystemthatemploys a stepper motor used in a single steposcillatingmode and a position monitor devicebasedon a diode laser. Thesetupusedgeneratesdelays as large as 105 ps at 10 Hz, with 100% dutycycle. ... -
Feasibility and analysis of a system of two in tandem interferometers for optical coherence tomography
(IEE Explore Digital Library, 2017-12-18)A signal obtained from a combined system of two interferometers of low coherence in the frequency domain is presented and analyzed. This system allows to expand the range of measurement offered by the conventional optical ... -
Four-layer spherical self-organized maps neural networks trained by recirculation to follow the phase evolution of a nearly four-year rainfall signal.
(2019-01)This work is intended to organize a big set of time series of rainfall reanalysis built on the Fourier harmonic that corresponds to the 4.8year cycle of variability. To do that a self-organized map is implemented in four ... -
Four-layer spherical self-organized maps neural networks trained by recirculation to simulate perception and abstraction activity : application to patterns of rainfall global reanalysis
(2018-07)Abstract This work is intended to organize a big set of time series. To do that a self-organized map is implemented in four spherical layers trainded by recirculation. This way tries to simulate aspects of perceotion and ... -
Gestión de residuos en el sector metalmecánico de las Pymes en la ciudad de Campana para prevenir riesgos laborales
(Prevención Integral, 2016-10)En este trabajo se presenta una propuesta metodológica para la gestión integral de los residuos industriales del sector metalmecánico de las Pymes de la ciudad de Campana, con el fin de evitar y prevenir los riesgos ... -
Guía para la gestión ambiental, salud ocupacional y seguridad industrial en Pymes del rubro metalmecánico
(Asociación Argentina de Energías Renovables y Medio Ambiente, 2016-10-10)En este trabajo se propone una guía de gestión, basada en la mejora continua, que facilite al pequeño y mediano empresario desarrollar una actividad innovadora constante. El modelo se generó desde el diagnóstico ambiental ... -
Harmonic demodulation and minimum enhancement factors in field-enhanced near-field optical microscopy
(2015-01)Field enhanced scanning optical microscopy (FESOM) relies on the design and fabrication of plasmonic probes which had to provide optical and chemical contrast at the nanoscale. In order to do so, the scattering containing ... -
High resolution imaging using nanoparticle based probes
(2018)New plasmonic probes, based on silica microspheres decorated with metal nanoparticles (Figure 1), are built and used to confine and enhance the electric field in their interaction with the sample, giving ultra-high optical ... -
Improved spectral resolution in time-varying interferometry
(2018-11)In this work, we present a procedure that allows increasing the resolution of dynamic length measurements made by spectral interferometry. The proposed scheme leads to obtaining a compact photonic instrument with the ability ... -
Inclination shift signal: thickness or index measurement in transparent media by transmission of generally astigmatic Gaussian beams
(2021-04)The focus error signal is a widespread optical technique that harnesses the shape of a simply astigmatic Gaussian beam to produce an output signal with a well-defined linear range used for many different applications. ... -
Interferometric system based on swept source-optical coherence tomography scheme applied to the measurement of distances of industrial interest
(2015-12-11)We used an interferometric technique based on typical optical coherence tomography (OCT) schemes for measuring distances of industrial interest. The system employed as a light source a tunable erbium-doped fiber laser of ... -
Interferometría óptica de baja coherencia para caracterización dimensional de microestructuras
(2016)En este trabajo se presenta un sistema de laboratorio basado en la técnica de interferometría óptica de baja coherencia en el dominio de las frecuencias (FD-OCT) para la caracterización dimensional de microestructuras. El ... -
Kinetic and plasmonic properties of gold nanorods adsorbed on glass substrates
(2019-09-19)Monodisperse gold nanorods with different sizes were synthesized and adsorbed on chemically modified glass substrates. Influence of surfactant molar concentration on nanorod adsorption was studied and the optimum range was ... -
Kinetic and plasmonic properties of gold nanorods adsorbed on glass substrates
(2019-10-24)Monodisperse gold nanorods with different sizes were synthesized and adsorbed on chemically modified glass substrates. Influence of surfactant molar concentration on nanorod adsorption was studied and the optimum range ... -
Large Axial Range Frequency-Domain Optical Low Coherence Interferometry
(2019-01-15)In this paper, we propose a new experimental setup to extend the measurement range of frequency-domain low coherence interferometry (FD-LCI) from 3 mm to 2 cm. The FD-LCI can be extended to the technique of frequency domain ... -
Limitations due to the detector in the low coherence interferometry
(2008-02-15)Se describirá como se generan las señales de interferometria de baja coherencia en el espacio de Fourier, se determinara las características que determinan el rango dinámico del sistema y las señales asociadas al sistema ... -
Long-range frequency domain low-coherence interferometry detector for industrial applications
(2023-01)A low-cost long-range frequency domain low-coherence interferometry (LCI) detector is presented: time Fourier domain LCI (TFD-LCI). Combining ideas of time domain and frequency domain techniques, the TFD-LCI detects the ... -
Low-coherence interferometry measurement of filling in porous silicon
(2018)The determination of capillary filling dynamics in nanoporous structures and, in particular, the analysis of the filling fraction profile in the advancing wet front have been proposed as possible methods for characterizing ...