7 November 2012 Impacts of Kerr effect and fiber dispersion on long-range Brillouin optical time-domain analysis systems
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Proceedings Volume 8421, OFS2012 22nd International Conference on Optical Fiber Sensors; 84219Z (2012) https://doi.org/10.1117/12.974984
Event: OFS2012 22nd International Conference on Optical Fiber Sensor, 2012, Beijing, China
Abstract
In this paper, we theoretically and experimentally investigate the impacts of Kerr effect and fiber dispersion on longrange Brillouin optical time-domain analysis (BOTDA) systems. The results show that the self-phase modulation (SPM, Kerr effect) can induce considerable continuum spectral broadening on a Gaussian pump pulse at a relative low power for both normal and anomalous dispersion fibers; with the cooperative effect of SPM and anomalous dispersion, the modulation instability can cause discrete spectral broadening on a square pump pulse at a relative high power. The detrimental effect of pump pulse spectral broadening could reduce the performance and sensing-range.
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Yongkang Dong, Hongying Zhang, Zhiwei Lu, Liang Chen, Xiaoyi Bao, "Impacts of Kerr effect and fiber dispersion on long-range Brillouin optical time-domain analysis systems", Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, 84219Z (7 November 2012); doi: 10.1117/12.974984; https://doi.org/10.1117/12.974984
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