Reconstrucción 3D de la sagita de una superficie en rotación

V.I. Moreno Oliva, C.I. Robledo Sánchez, A. Cordero Dávila, P. Nanco Hernández, A. Jaramillo Núñez

Abstract


An instrument of optical contact is described to obtain the values of zagita in 3D of concave and convex nonreflecting surfaces. The system measure the zagita imaging a thin variable slit over the surface test. To obtain 3D information the instrument is translated in $X$ direction and the surface test is rotated a constant angular velocity. With this system is reached a resolution of 2.5$\mu$m in $Z$ and 1$\mu$m in $X$.

Keywords


Metrology; profilometry

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REVISTA MEXICANA DE FÍSICA, year 67, issue 2, March-April 2021. Bimonthly Journal published by Sociedad Mexicana de Física, A. C. Departamento de Física, 2º Piso, Facultad de Ciencias, Universidad Nacional Autónoma de México, Ciudad Universitaria, Alcaldía Coyacán, C.P. 04510 , Ciudad de México. Apartado Postal 70-348. Tel. (+52)55-5622-4946, https://rmf.smf.mx/ojs/rmf, e-mail: rmf@ciencias.unam.mx. Chief Editor: José Alejandro Ayala Mercado. INDAUTOR Certificate of Reserve: 04-2019-080216404400-203, ISSN: 2683-2224 (on line), 0035-001X (print), both granted by Instituto Nacional del Derecho de Autor. Responsible for the last update of this issue, Technical Staff of Sociedad Mexicana de Física, A. C., Fís. Efraín Garrido Román, 2º. Piso, Facultad de Ciencias, Universidad Nacional Autónoma de México, Ciudad Universitaria, Alcaldía Coyacán, C.P. 04510 , Ciudad de México. Date of last modification, March 1st., 2021.

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