Characterization of silica fibers for dual wavelength Brillouin sensors
Characterization of silica fibers for dual wavelength Brillouin sensors
- Author(s): E. Catalano ; A. Coscetta ; R. Bernini ; L. Zeni ; A. Minardo
- DOI: 10.1049/cp.2017.0219
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19th Italian National Conference on Photonic Technologies (Fotonica 2017) — Recommend this title to your library
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- Author(s): E. Catalano ; A. Coscetta ; R. Bernini ; L. Zeni ; A. Minardo Source: 19th Italian National Conference on Photonic Technologies (Fotonica 2017), 2017 page ()
- Conference: 19th Italian National Conference on Photonic Technologies (Fotonica 2017)
- DOI: 10.1049/cp.2017.0219
- ISBN: 978-1-78561-757-7
- Location: Padua, Italy
- Conference date: 3-5 May 2017
- Format: PDF
The analysis of BFS sensitivity to strain and temperature in three different single-mode optical fibers, carried out at 850nm and 1550nm wavelengths, permitted us to conclude that low bend loss, trench-assisted single-mode fibers are the best candidates for strain/temperature discrimination based on dual wavelength BOTDA measurements. A novel scheme based on the use of WDM couplers has been proposed and demonstrated, for simultaneous measurement of strain and temperature in optical fibers.
Inspec keywords: temperature measurement; strain sensors; distributed sensors; strain measurement; Brillouin spectra; temperature sensors; fibre optic sensors
Subjects: Measurement of mechanical variables; Fibre optic sensors; Mechanical variables measurement; Fibre optic sensors; fibre gyros; Sensing and detecting devices; Fibre optics; Thermometry; Thermal variables measurement
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