A mechanical method to tuning a FBG-PZT voltage sensor

Bessie A. Ribeiro; Marcelo M. Werneck

doi:10.1117/12.2195103

28 September 2015 A mechanical method to tuning a FBG-PZT voltage sensor

Proceedings Volume 9634, 24th International Conference on Optical Fibre Sensors; 96345U (2015) https://doi.org/10.1117/12.2195103
Event: International Conference on Optical Fibre Sensors (OFS24), 2015, Curitiba, Brazil

Abstract

When using a Fiber Bragg Grating (FBG) for strain measurements it is always necessary to compensate the FBG against temperature fluctuations. In this paper it is shown an innovative method for mechanically compensating an FBG in a high voltage measurement application using an FBG-PZT sensor. The system takes advantage of a mechanical assembly that, as the PZT displaces, the screw where the FBG is bonded on displace in the opposite direction, keeping the FBG length constant. A theoretical analysis is done and experimental results are shown.

Citation Download Citation

Bessie A. Ribeiro and Marcelo M. Werneck "A mechanical method to tuning a FBG-PZT voltage sensor", Proc. SPIE 9634, 24th International Conference on Optical Fibre Sensors, 96345U (28 September 2015); https://doi.org/10.1117/12.2195103

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