Real time monitoring oxidation of transition metals with long period fiber gratings

L. Coelho; D. Viegas; J. L. Santos; J. M. M. de Almeida

doi:10.1117/12.2195199

28 September 2015 Real time monitoring oxidation of transition metals with long period fiber gratings

L. Coelho, D. Viegas, J. L. Santos, J. M. M. de Almeida

Proceedings Volume 9634, 24th International Conference on Optical Fibre Sensors; 96340N (2015) https://doi.org/10.1117/12.2195199
Event: International Conference on Optical Fibre Sensors (OFS24), 2015, Curitiba, Brazil

Abstract

In this paper real time monitoring of oxidation of transition metals using long period fiber gratings (LPFG) is performed for nickel, copper, titanium, chromium and zinc. A thin layer is deposited over the LPFG with physical process deposition and is annealed up to 700 °C in air with a small oven. The whole oxidation process can be monitored by tracking the LPFG features of the attenuation band which results in an abrupt change when the oxidation occurs depending on the metal sample. A preliminary study to optimize optical fiber sensors sensitivity allowing choosing the correct oxide layer in a specific application is presented.

Citation Download Citation

L. Coelho, D. Viegas, J. L. Santos, and J. M. M. de Almeida "Real time monitoring oxidation of transition metals with long period fiber gratings", Proc. SPIE 9634, 24th International Conference on Optical Fibre Sensors, 96340N (28 September 2015); https://doi.org/10.1117/12.2195199

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