What is it about?
Dynamic Range is an important parameter of optical time domain reflectometry (OTDR). If an OTDR has more dynamic range, it means OTDR can provide more sensing fiber length. Most of the distributed fiber optic sensing systems are designed based on the principle of OTDR, due to the less complexity and less cost. Hence, we have analysed on the dynamic range enhancement of OTDR.
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Why is it important?
Most of the distributed fiber optic sensing (DFOS) systems are designed based on the principle of OTDR. If an OTDR has more dynamic range, it means OTDR can provide more sensing fiber length. The real time applications of DFOS system are oil & gas pipeline monitoring, structural health monitoring (bridges, roads, dams and buildings, etc.), military, medical and in aviation industries.
Perspectives
I am feeling very happy to write this article. In order to get better sensing range in distributed fiber optic sensing system, we have analysed on different types of reflectometry techniques. Among the different types of reflectometry techniques, optical time domain reflectometry has more advantages. Since an optical time domain reflectometry is the fundamental technique to the distributed fiber optic sensing system. In order to get potential applications like oil & gas pipeline monitoring, structural health monitoring (bridges, roads, dams and buildings, etc.), military, medical and aviation industries using distributed fiber optic sensing system, we need to improve the dynamic range of optical time domain reflectometry.
Dr. RAMJI TANGUDU
Indian Institute of Technology Bhubaneswar
Read the Original
This page is a summary of: Dynamic range enhancement of OTDR using lifting wavelet transform-modified particle swarm optimization scheme, IET Optoelectronics, July 2019, the Institution of Engineering and Technology (the IET),
DOI: 10.1049/iet-opt.2018.5163.
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