Application of digital speckle interferometry to visualize surface changes in metallic samples immersed in Cu(NO3)2 solutions

Nieves Andrés; Ana Andres-Arroyo; M. Pilar Arroyo; Virginia Palero; Julia Lobera; Luis A. Angurel

doi:10.1117/1.OE.52.10.101918

12 August 2013 Application of digital speckle interferometry to visualize surface changes in metallic samples immersed in Cu(NO3)2 solutions

Nieves Andrés, Ana Andres-Arroyo, M. Pilar Arroyo, Virginia Palero, Julia Lobera, Luis A. Angurel

Author Affiliations +

Optical Engineering, Vol. 52, Issue 10, 101918 (August 2013). https://doi.org/10.1117/1.OE.52.10.101918

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.

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Nieves Andrés, Ana Andres-Arroyo, M. Pilar Arroyo, Virginia Palero, Julia Lobera, and Luis A. Angurel "Application of digital speckle interferometry to visualize surface changes in metallic samples immersed in Cu(NO3)2 solutions," Optical Engineering 52(10), 101918 (12 August 2013). https://doi.org/10.1117/1.OE.52.10.101918

Published: 12 August 2013

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