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.
| Original language | American English |
|---|---|
| Article number | 8612960 |
| Pages (from-to) | 4600-4607 |
| Number of pages | 8 |
| Journal | Proceedings of SPIE - The International Society for Optical Engineering |
| Volume | 11000 |
| Issue number | 11 |
| DOIs | |
| State | Published - Jan 15 2019 |
Keywords
- Coaxial Cable
- Distributed Sensing
- Random Inhomogeneities
- Rayleigh Backscattering
- Temperature Sensing
Disciplines
- Electrical and Computer Engineering
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