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Dynamic strain measurement using small gain stimulated Brillouin scattering in STFT-BOTDR
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Li, Bo, Luo, Linqing, Yu, Yifei, Soga, Kenichi and Yan, Jize (2017) Dynamic strain measurement using small gain stimulated Brillouin scattering in STFT-BOTDR. IEEE Sensors Journal, 17 (9). pp. 2718-2724. doi:10.1109/JSEN.2017.2657119 ISSN 1530-437X.
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WRAP-dynamic-strain-measurement-using-small-gain-stimulated-Brillouin-scattering-STFT-BOTDR-Yu-2017.pdf - Published Version - Requires a PDF viewer. Available under License Creative Commons Attribution. Download (2339Kb) | Preview |
Official URL: http://dx.doi.org/10.1109/JSEN.2017.2657119
Abstract
A distributed dynamic strain measurement is demonstrated using small gain stimulated Brillouin scattering (SBS) in Brillouin optical time domain reflectometry based on the short-time Fourier transform algorithm. The input power limits, frequency uncertainties for given pulse durations, fiber lengths, and the number of averaging are calculated. The output signal power and the signal-to-noise ratio of the system output are enhanced by SBS. It is found that the signal processing is faster and requires fewer averaging to achieve dynamic sensing performance along the fiber under test. A 60-Hz vibration on a 6m fiber section at the end of a 935-m fiber is detected with the
spatial resolution of 4 m with a sampling rate of 2.5 kS/s.
| Item Type: | Journal Article | |||||||||
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| Subjects: | Q Science > QC Physics T Technology > TA Engineering (General). Civil engineering (General) |
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| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | |||||||||
| Library of Congress Subject Headings (LCSH): | Brillouin scattering, Strains and stresses -- Measurement, Optical fibers, Optical fiber detectors | |||||||||
| Journal or Publication Title: | IEEE Sensors Journal | |||||||||
| Publisher: | Institute of Electrical and Electronic Engineers | |||||||||
| ISSN: | 1530-437X | |||||||||
| Official Date: | March 2017 | |||||||||
| Dates: |
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| Volume: | 17 | |||||||||
| Number: | 9 | |||||||||
| Page Range: | pp. 2718-2724 | |||||||||
| DOI: | 10.1109/JSEN.2017.2657119 | |||||||||
| Status: | Peer Reviewed | |||||||||
| Publication Status: | Published | |||||||||
| Access rights to Published version: | Open Access (Creative Commons) | |||||||||
| Date of first compliant deposit: | 29 July 2021 | |||||||||
| Date of first compliant Open Access: | 29 July 2021 | |||||||||
| RIOXX Funder/Project Grant: |
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