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Optical Engineering

Application of digital speckle interferometry to visualize surface changes in metallic samples immersed in Cu(NO3)2 solutions
Author(s): Nieves Andrés; Ana Andres-Arroyo; M. Pilar Arroyo; Virginia Palero; Julia Lobera; Luis A. Angurel
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Paper Abstract

Digital speckle pattern interferometry (DSPI) has been applied to analyze surface corrosion processes in a metallic sample immersed in a 0.1 M Cu(NO 3 ) 2 solution. The corrosion process induces changes in the surface and in the solution refractive index. A detailed analysis of the DSPI measurements has been performed to obtain a two-dimensional visualization of the surface changes and an evaluation of the refractive index changes of the solution. The possibilities of DSPI for measuring surface changes in these conditions have been analyzed.

Paper Details

Date Published: 12 August 2013
PDF: 8 pages
Opt. Eng. 52(10) 101918 doi: 10.1117/1.OE.52.10.101918
Published in: Optical Engineering Volume 52, Issue 10
Show Author Affiliations
Nieves Andrés, Univ. de Zaragoza (Spain)
Ana Andres-Arroyo, Univ. de Zaragoza (Spain)
M. Pilar Arroyo, Univ. de Zaragoza (Spain)
Virginia Palero, Univ. de Zaragoza (Spain)
Julia Lobera, Ctr. Univ. de Defensa de Zaragoza (Spain)
Luis A. Angurel, Univ. de Zaragoza (Spain)


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