| Issue |
EPJ Web Conf.
Volume 238, 2020
EOS Annual Meeting (EOSAM 2020)
|
|
|---|---|---|
| Article Number | 08004 | |
| Number of page(s) | 2 | |
| Section | Topical Meeting (TOM) 9- Tapered Optical Fibers, from Fundamental to Applications | |
| DOI | https://doi.org/10.1051/epjconf/202023808004 | |
| Published online | 20 August 2020 | |
https://doi.org/10.1051/epjconf/202023808004
Strain Sensor from Tapered Fibres
1 CTI Renato Archer, Campinas 13069-901, Brazil
2 Dept. Eletrônica Quântica - IFGW, UNICAMP, Campinas 13083-859, Brazil
3 Centre d’Optique, Photonique et Laser, Université Laval, Québec, Canada, G1V 0A6
* Corresponding author: sergio.celaschi@cti.gov.br
Published online: 20 August 2020
A new all fibre, and low transmission loss, digital optical strain sensor is proposed. This sensor behaves as a Coaxial Mach-Zehnder interferometer. Special depressed cladding single-mode fibre DCF was tapered down to the micrometer scale presenting FSR in the nm range. The sensor is modelled to probe up to ± 0.2% strain when under expansive or compression stresses, returning 20 optical Power Transfer Turning Points (PTTP) at 1575 nm transmitted wavelength.
© The Authors, published by EDP Sciences, 2020
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