Dual system increases the resolution of a low coherence interferometer system through a signal detector astigmatic focus

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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 the interferometric technique with a technique that measures distances using...

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Detalles Bibliográficos
Autores principales: Morel, Eneas, Aguilar, Andres, Torga, Jorge
Formato: Artículo publishedVersion
Lenguaje:Inglés
Publicado: 2020
Materias:
UTN
FRD
OCT
low coherence interferometry
focus signal
displacement measurement and tomography
Acceso en línea:http://hdl.handle.net/20.500.12272/4516
Aporte de:
RIA - Repositorio Institucional Abierto (UTN) de Universidad Tecnológica Nacional
id I68-R174-20.500.12272-4516
record_format dspace
institution Universidad Tecnológica Nacional
institution_str I-68
repository_str R-174
collection RIA - Repositorio Institucional Abierto (UTN)
language Inglés
topic UTN
FRD
OCT
low coherence interferometry
focus signal
displacement measurement and tomography
spellingShingle UTN
FRD
OCT
low coherence interferometry
focus signal
displacement measurement and tomography
Morel, Eneas
Aguilar, Andres
Torga, Jorge
Dual system increases the resolution of a low coherence interferometer system through a signal detector astigmatic focus
topic_facet UTN
FRD
OCT
low coherence interferometry
focus signal
displacement measurement and tomography
description 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 the interferometric technique with a technique that measures distances using astigmatic focus signal, allowing lead the resolution limit of less than 10 nm. The experimental scheme shown armed with both techniques and experimental results in displacement of a sample surface, controlled feedback system with a piezoelectric strain gauge which we have used as a reference system..
format Artículo
publishedVersion
author Morel, Eneas
Aguilar, Andres
Torga, Jorge
author_facet Morel, Eneas
Aguilar, Andres
Torga, Jorge
author_sort Morel, Eneas
title Dual system increases the resolution of a low coherence interferometer system through a signal detector astigmatic focus
title_short Dual system increases the resolution of a low coherence interferometer system through a signal detector astigmatic focus
title_full Dual system increases the resolution of a low coherence interferometer system through a signal detector astigmatic focus
title_fullStr Dual system increases the resolution of a low coherence interferometer system through a signal detector astigmatic focus
title_full_unstemmed Dual system increases the resolution of a low coherence interferometer system through a signal detector astigmatic focus
title_sort dual system increases the resolution of a low coherence interferometer system through a signal detector astigmatic focus
publishDate 2020
url http://hdl.handle.net/20.500.12272/4516
work_keys_str_mv AT moreleneas dualsystemincreasestheresolutionofalowcoherenceinterferometersystemthroughasignaldetectorastigmaticfocus
AT aguilarandres dualsystemincreasestheresolutionofalowcoherenceinterferometersystemthroughasignaldetectorastigmaticfocus
AT torgajorge dualsystemincreasestheresolutionofalowcoherenceinterferometersystemthroughasignaldetectorastigmaticfocus
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