Low Cost Optical Fibre Based Fabry Perot Strain Sensor Production - C Tuckv2.pdf (513.03 kB)
Download fileLow cost optical fibre based Fabry Pérot strain sensor production
journal contribution
posted on 2009-12-11, 16:26 authored by Christopher Tuck, Richard J.M. Hague, Crispin DoyleThe 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.
History
School
- Mechanical, Electrical and Manufacturing Engineering
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. 2206-2212Publisher
© Institute of PhysicsVersion
- AM (Accepted Manuscript)
Publication date
2006Notes
This is an article from the journal, Measurement Science and Technology [© Institute of Physics ]. It is also available at: http://dx.doi.org/10.1088/0957-0233/17/8/021ISSN
0957-0233Language
- en