Pd-coated fiber optic evanescent field hydrogen sensors

Joel Villatoro; R. M. Petrick; M. Tabib-Azar; Alex A. Kazemi

doi:10.1117/12.651477

10 November 2005 Pd-coated fiber optic evanescent field hydrogen sensors

Joel Villatoro, R. M. Petrick, M. Tabib-Azar, Alex A. Kazemi

Proceedings Volume 6004, Fiber Optic Sensor Technology and Applications IV; 60040K (2005) https://doi.org/10.1117/12.651477
Event: Optics East 2005, 2005, Boston, MA, United States

Abstract

In this paper, new types of hydrogen fiber optic sensors are reported. Our sensors consist of multimode optical fiber with a thin palladium film deposited on a suitable length of the fiber core, and operate through evanescent field interactions. Different sensor configurations are discussed and experimental results for different hydrogen concentration are presented. It is shown that these kind of sensors are suitable for detecting hydrogen concentrations form 0.5% to 3% with high sensitivity and fast time response.

Citation Download Citation

Joel Villatoro, R. M. Petrick, M. Tabib-Azar, and Alex A. Kazemi "Pd-coated fiber optic evanescent field hydrogen sensors", Proc. SPIE 6004, Fiber Optic Sensor Technology and Applications IV, 60040K (10 November 2005); https://doi.org/10.1117/12.651477

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