Simultaneous vibration and quasi-distributed strain measurement using incoherent OFDR and extrinsic Fabry-Perot interferometers

Milan Steffen; Sascha Liehr; Frank Basedau; Katerina Krebber

doi:10.1117/12.2059616

2 June 2014 Simultaneous vibration and quasi-distributed strain measurement using incoherent OFDR and extrinsic Fabry-Perot interferometers

Milan Steffen, Sascha Liehr, Frank Basedau, Katerina Krebber

Author Affiliations +

Proceedings Volume 9157, 23rd International Conference on Optical Fibre Sensors; 91576S (2014) https://doi.org/10.1117/12.2059616
Event: OFS2014 23rd International Conference on Optical Fiber Sensors, 2014, Santander, Spain

Abstract

We present a measurement setup for combined quasi-distributed strain and dynamic point-wise vibration measurement using an incoherent optical frequency domain reflectometry (I-OFDR) setup in combination with extrinsic Fabry-Perot interferometers (EFPIs). Several EFPIs can be multiplexed and at the same time the strain along their supply fibres can be measured in a quasi-distributed manner. The setup is characterised and a demonstration of its general performance is given.

Citation Download Citation

Milan Steffen, Sascha Liehr, Frank Basedau, and Katerina Krebber "Simultaneous vibration and quasi-distributed strain measurement using incoherent OFDR and extrinsic Fabry-Perot interferometers", Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 91576S (2 June 2014); https://doi.org/10.1117/12.2059616

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