Study of surface roughness of corroded metals using plastic optical fiber sensor

M. Esakkimuthu Raju; Badrinath Vadakkapattu Canthadai; Kumar Ravi; Vengalrao Pachava; Dipankar Sengupta

doi:10.1117/12.2061974

5 September 2014 Study of surface roughness of corroded metals using plastic optical fiber sensor

M. Esakkimuthu Raju, Badrinath Vadakkapattu Canthadai, Kumar Ravi, Vengalrao Pachava, Dipankar Sengupta

Proceedings Volume 9205, Reflection, Scattering, and Diffraction from Surfaces IV; 920509 (2014) https://doi.org/10.1117/12.2061974
Event: SPIE Optical Engineering + Applications, 2014, San Diego, California, United States

Abstract

The broad objective of this paper is to study the surface of the corroded metals by using proximity sensor which works on the principle of light scattering by objects. The present work discussed a simple low cost sensor design making use of plastic optical fiber. The sensor used is insensitive to source fluctuation and can detect surface roughness of the metals. The average surface roughness of the samples in different concentrations of acidic medium has been studied using the sensor. The reflected light intensity from the surface of sample metals was collected and measured as a function of lateral distance to estimate the roughness of the surface. The results have been compared with the stylus measurements.

Citation Download Citation

M. Esakkimuthu Raju, Badrinath Vadakkapattu Canthadai, Kumar Ravi, Vengalrao Pachava, and Dipankar Sengupta "Study of surface roughness of corroded metals using plastic optical fiber sensor", Proc. SPIE 9205, Reflection, Scattering, and Diffraction from Surfaces IV, 920509 (5 September 2014); https://doi.org/10.1117/12.2061974

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KEYWORDS

Surface roughness

Sensors

Metals

Light scattering

Corrosion

Polymer optical fibers

Fiber optics sensors

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