Measuring material thickness variations through tri-aperture DSPI

Sanchez Barrera, Estiven; Ealo Cuello, Joao Luis

dc.contributor.author	Sanchez Barrera, Estiven
dc.contributor.author	Ealo Cuello, Joao Luis
dc.date.accessioned	2023-06-30T18:43:43Z
dc.date.available	2023-06-30T18:43:43Z
dc.date.issued	2023-06-15
dc.date.submitted	2023-06-30
dc.identifier.citation	Estiven Sánchez Barrera and Joao Luis Ealo Cuello "Measuring material thickness variations through tri-aperture DSPI", Proc. SPIE 12524, Dimensional Optical Metrology and Inspection for Practical Applications XII , 125240C (15 June 2023); https://doi.org/10.1117/12.2663667	spa
dc.identifier.uri	https://hdl.handle.net/20.500.12585/12091
dc.description.abstract	A configuration for the measurement of thickness changes in materials through one-shot digital speckle pattern interferometry (DSPI) was developed. The phase maps calculation was made by adding carrier fringes by the multiple aperture principle and Fourier Transform Method (FTM). With this setup, interferometry configurations verified that the simultaneous and instantaneous visualization of two opposite faces of a surface is possible. In addition, the combination of the simultaneous results obtained from both sides of the material makes it possible to determine displacements with greater sensitivity or to identify changes in their thickness. The validation and demonstrative tests were carried out with a 1-mm thick aluminum plate with a 5-mm diameter through hole coated. Thickness changes until 2 μm was measured.	spa
dc.description.sponsorship	Universidad Tecnológica de Bolívar	spa
dc.format.extent	9
dc.format.mimetype	application/pdf	spa
dc.language.iso	eng	spa
dc.source	Proceedings of SPIE, the International Society for Optical Engineering.	spa
dc.title	Measuring material thickness variations through tri-aperture DSPI	spa
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datacite.rights	http://purl.org/coar/access_right/c_16ec	spa
oaire.version	http://purl.org/coar/version/c_970fb48d4fbd8a85	spa
dc.type.driver	info:eu-repo/semantics/article	spa
dc.type.hasversion	info:eu-repo/semantics/publishedVersion	spa
dc.identifier.doi	10.1117/12.2663667
dc.subject.keywords	DSPI	spa
dc.subject.keywords	Carrier Fringes	spa
dc.subject.keywords	Fourier Transform Method	spa
dc.subject.keywords	Multiple Aperture	spa
dc.subject.keywords	Thickness Variations.	spa
dc.rights.accessrights	info:eu-repo/semantics/restrictedAccess	spa
dc.identifier.instname	Universidad Tecnológica de Bolívar	spa
dc.identifier.reponame	Repositorio Universidad Tecnológica de Bolívar	spa
dc.publisher.place	Cartagena de Indias	spa
dc.subject.armarc	LEMB
dc.type.spa	http://purl.org/coar/resource_type/c_2df8fbb1	spa
dc.audience	Público general	spa
dc.publisher.sede	Campus Tecnológico	spa
oaire.resourcetype	http://purl.org/coar/resource_type/c_c94f	spa

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Universidad Tecnológica de Bolívar - 2017 Institución de Educación Superior sujeta a inspección y vigilancia por el Ministerio de Educación Nacional. Resolución No 961 del 26 de octubre de 1970 a través de la cual la Gobernación de Bolívar otorga la Personería Jurídica a la Universidad Tecnológica de Bolívar.