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Truly distributed coaxial cable sensing based on random inhomogeneities
Author(s): Chen Zhu; Jie Huang
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Paper Abstract

Inspired by Rayleigh backscattering based sensing methodology on an optical fiber, we present a novel sensing concept based on the random inhomogeneities on a coaxial cable. As an analogy of Rayleigh backscattering along an optical fiber length, “backscattering” also exists from a commercial cable due to its inherent defects along a cable length which induce a local variation. The accumulated back-scattered signals along the cable can be obtained using frequency domain reflectometry. By analyzing the shift in the local back-scattered signal, the local perturbations can be determined, so that truly distributed sensing capability using a coaxial cable can be achieved.

Paper Details

Date Published: 14 May 2019
PDF: 8 pages
Proc. SPIE 11000, Fiber Optic Sensors and Applications XVI, 110000N (14 May 2019); doi: 10.1117/12.2518792
Show Author Affiliations
Chen Zhu, Missouri Univ. of Science and Technology (United States)
Jie Huang, Missouri Univ. of Science and Technology (United States)


Published in SPIE Proceedings Vol. 11000:
Fiber Optic Sensors and Applications XVI
Robert A. Lieberman; Glen A. Sanders; Ingrid U. Scheel, Editor(s)

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