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Please use this identifier to cite or link to this item: https://dspace.lboro.ac.uk/2134/5660

Title: Low cost optical fibre based Fabry Pérot strain sensor production
Authors: Tuck, Christopher
Hague, Richard J.M.
Doyle, Crispin
Issue Date: 2006
Publisher: © Institute of Physics
Citation: TUCK, C., HAGUE, R.J.M. and DOYLE, C., 2006. Low cost optical fibre based Fabry Pérot strain sensor production. Measurement Science and Technology, 17, pp. 2206-2212
Abstract: The production of Fabry-Pérot based optical fibre sensors has long been an iterative and labour intensive process. This paper demonstrates the production of Fabry-Pérot based optical fibre strain sensors using chemical etching techniques. Utilising hydrofluoric acid (HF) and singlemode optical fibres, a preferential etching mechanism was observed around the core portion of the fibres. These etched fibre ends were then spliced together successfully to form enclosed Fabry-Pérot cavities between 18 and 60 μm in length. These sensors have then been deployed for strain monitoring and have been subjected to strains of up to 1400 με on tensile test specimens. Etched Fabry-Pérot cavity lengths were monitored using a white light interferometry (WLI) system based on a CCD spectrometer and an 850 nm super luminescent diode (SLD). A linear and repeatable response to these strain tests has been shown with negligible sensitivity to temperature.
Description: This is an article from the journal, Measurement Science and Technology [© Institute of Physics ]. It is also available at: http://dx.doi.org/10.1088/0957-0233/17/8/021
Version: Accepted for publication
DOI: 10.1088/0957-0233/17/8/021
URI: https://dspace.lboro.ac.uk/2134/5660
ISSN: 0957-0233
Appears in Collections:Published Articles (Mechanical, Electrical and Manufacturing Engineering)

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