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Dynamic Detection of Thicknesses in Polymer Deformation Based on the Optical Coherence Interferometry Technique
(2015-07-31)
We describe the implementation of the optical coherence interferometry (OCT) technique in the dynamic
measurement of the deformation of polymers. The experimental set-up of the interferometer system and the signal processing ...
Dual system increases the resolution of a low coherence interferometer system through a signal detector astigmatic focus
(2015-10-29)
La interferometría de baja coherencia en el espacio de Fourier (OCT-FD) es una técnica que permite medir distancia con valores típicos de rango dinámico en el orden de 3 mm y resolución por debajo de los 10 µm. En este ...
Spectral sensor resolution measurement improvements by temporal analysis
(IEEE Xplore, 2017-12-18)
In this work we present time domain interferometry (TDI) and spectral domain interferometry (SDI) techniques applied to a fiber optic Fizeau interferometer sensor. This class of sensor is capable of measuring parameters ...
Dual system increases the resolution of a low coherence interferometer system through a signal detector astigmatic focus
(2015-10-29)
The low coherence interferometry in Fourier space (FD-OCT) is a technique to measure distance with
typical values of dynamic range in the order of 3 mm and resolution below 10 microns. In this paper
we propose to combine ...
Scanning optical coherence tomography applied to the characterization of surfaces and coatings
(El Sevier, 2014)
This paper shows the technique of optical coherence tomography in the frequency domain (OCT-FD) to obtain surface topography and tomography of surface coatings. The setup is based on a superluminescent diode centered on ...
Cabezal óptico compacto aplicado a la medición de vibraciones sin contacto
(Cuarto Congreso Argentino de Ingeniería Mecánica – CAIM 2014, 2014)
En este trabajo presentamos un cabezal óptico diseñado para medición de vibraciones basado en
la señal de error de foco (SEF), la misma utilizada para leer datos en un cabezal láser de DVD o
CD. El sistema fue diseñado ...
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 ...
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 ...
Optical coherence tomography-based scanning system for shape determination, wall thickness mapping, and inner inspection of glass containers
(2013-02)
In this work we present a method that enables simultaneous measurement of shape and wall parameters of glass containers. The system is based on the optical coherence tomography technique, employing the spectral domain ...
Diseño y construcción de un módulo de microscopía de barrido por sondeo local y de un sistema de nanoposicionamiento de alta precisión para un microscopio multianálisis
(2014)
Este trabajo presenta la técncia de interferometrá de baja coherencia orientada a la obtención de topografiá de superficies y tomografía de materiales. Se decribe la idea general, se presentan distintos esquemas experimentales ...