It is experimentally demonstrated that a chirped pulse phase-sensitive OTDR can measure large and fast dynamic strains (~100's of µε, ~100's of Hz) with SNR of ≥ 24dB. Signal smoothing and impact of error accumulation are also discussed.
CITATION STYLE
Bhatta, H. D., Costa, L., Garcia-Ruiz, A., Fernandez-Ruiz, M. R., Martins, H. F., Tur, M., & Gonzalez-Herraez, M. (2018). Extending the measurement of true dynamic strain via chirped-pulse phase-sensitive optical time domain reflectometry to 100’s of microstrains. In Optics InfoBase Conference Papers (Vol. Part F124-OFS 2018). Optica Publishing Group (formerly OSA). https://doi.org/10.1364/ofs.2018.wf14
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