Integration of an intensity-modulated optical fiber temperature sensor into ceramic coating obtained by wire flame thermal spray

Duo Yi; Pierre Pfeiffer; Bruno Serio; Sophie Costil

doi:10.1117/12.2184697

22 June 2015 Integration of an intensity-modulated optical fiber temperature sensor into ceramic coating obtained by wire flame thermal spray

Duo Yi, Pierre Pfeiffer, Bruno Serio, Sophie Costil

Author Affiliations +

Proceedings Volume 9525, Optical Measurement Systems for Industrial Inspection IX; 95253G (2015) https://doi.org/10.1117/12.2184697
Event: SPIE Optical Metrology, 2015, Munich, Germany

Abstract

Temperature sensing is one of the key requirements for Structure Health Monitoring (SHM) in various applications. The intensity modulated optical fiber sensors are excellent candidate for this area of applications due to their relatively low cost, simple structure and diversity of applications. This work relates mainly to the feasibility evaluation of embedding optical fiber sensor into ceramic coating obtained by thermal spray process and the thermal response of the embedded sensor. The sensor principle and the specimen configuration are firstly presented, a 3D model is then built up in order to evaluate the effects of temperature variation on deformations of the optical fiber sensor which finally lead to the variation of optical intensity. First results of thermal response are discussed.

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Duo Yi, Pierre Pfeiffer, Bruno Serio, and Sophie Costil "Integration of an intensity-modulated optical fiber temperature sensor into ceramic coating obtained by wire flame thermal spray", Proc. SPIE 9525, Optical Measurement Systems for Industrial Inspection IX, 95253G (22 June 2015); https://doi.org/10.1117/12.2184697

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