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Influence of birefringence dispersion on a distributed stress sensor using birefringent optical fiber
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Xu, Tianhua, Jing, Wencai, Zhang, Hongxia, Liu, Kun, Jia, Dagong and Zhang, Yimo (2009) Influence of birefringence dispersion on a distributed stress sensor using birefringent optical fiber. Optical Fiber Technology, 15 (1). pp. 83-89. doi:10.1016/j.yofte.2008.06.001 ISSN 1068-5200.
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WRAP-influence-birefringence-dispersion-stress-fiber-Xu-2009.pdf - Accepted Version - Requires a PDF viewer. Available under License Creative Commons Attribution Non-commercial No Derivatives 4.0. Download (745Kb) | Preview |
Official URL: http://dx.doi.org/10.1016/j.yofte.2008.06.001
Abstract
Distributed stress sensor with a white-light scanning interferometer is used to detect stress distribution by analyzing polarization mode coupling caused by forces exerted on PMFs (polarization maintaining fibers). In measurement of polarization coupling, the birefringence in sensing fiber is usually considered to be wavelength independent. Sensitivity and spatial resolution of the distributed stress sensor are constant for a given optical source spectrum. In practical measurement, however, the birefringence in PMFs is related with optical wavelength. In other words, birefringence dispersion exists in PMFs. Due to birefringence dispersion, the relationship between stress and coupling strength varies with different positions of external forces, and spatial resolution of the distributed stress sensor descends obviously with transmitted distance. In this paper, influences of external-force positions and optical source spectrum on distributed stress sensor are analyzed in consideration of birefringence dispersion and validated with experiments. A method for compensating birefringence dispersion in the sensing system is proposed in the end.
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 > Engineering | |||||||||
Library of Congress Subject Headings (LCSH): | Refraction, Double, Optical fiber detectors | |||||||||
Journal or Publication Title: | Optical Fiber Technology | |||||||||
Publisher: | Elsevier | |||||||||
ISSN: | 1068-5200 | |||||||||
Official Date: | 2009 | |||||||||
Dates: |
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Volume: | 15 | |||||||||
Number: | 1 | |||||||||
Page Range: | pp. 83-89 | |||||||||
DOI: | 10.1016/j.yofte.2008.06.001 | |||||||||
Status: | Peer Reviewed | |||||||||
Publication Status: | Published | |||||||||
Access rights to Published version: | Restricted or Subscription Access | |||||||||
Date of first compliant deposit: | 15 November 2017 | |||||||||
Date of first compliant Open Access: | 15 November 2017 | |||||||||
RIOXX Funder/Project Grant: |
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