研究目的
Investigating improved algorithms for determining the strain of optical fibers using Brillouin reflectometers to detect segments with increased mechanical strain or transformed temperature.
研究成果
The algorithms presented in this paper allow us to accelerate the process of obtaining the final results in the BOTDR due to the expulsion of unusable counts from the processing operations. Calculating the approximate value of the MBBS maximum at the initial steps of the process, we can quickly realize a pre-testing pattern of the strain distribution in the OF.
研究不足
The measurement process is very slow at high resolution, and the time can be significantly reduced by applying smaller values but remains significant in comparison with usual OTDR.
1：Experimental Design and Method Selection:
The study involves the use of Brillouin optical time domain reflectometers (BOTDR) for early diagnostics of optical fibers. Adaptive algorithms for constructing Brillouin reflectograms are considered.
2：Sample Selection and Data Sources:
Optical fibers from the database are used to detect 'problem' segments.
3：List of Experimental Equipment and Materials:
BOTDR devices, optical fibers, and reference reflectograms from a database.
4：Experimental Procedures and Operational Workflow:
The process includes determining the Brillouin frequency shift (fB) and then the longitudinal OF strain, with adaptive algorithms to accelerate the production of final results.
5：Data Analysis Methods:
The analysis involves determining the MBBS maximum and adjusting the measurement settings to reduce testing time.
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