Long-Range Distributed Acoustic Sensor Based on 3x3 Coupler Assisted Passive Demodulation Scheme
Long-Range Distributed Acoustic Sensor Based on 3x3 Coupler Assisted Passive Demodulation Scheme
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Özet
A distributed acoustic sensor based on phase-sensitive optical time domain reflectometry (?-OTDR) and passive 3x3 coupler demodulation is demonstrated which is capable of quantifying strain perturbations at 40 km of a sensing fiber. © Optica Publishing Group 2022, © 2022 The Author(s)
Açıklama
CLEO: Applications and Technology, A and T 2022 -- 15 May 2022 through 20 May 2022 -- -- 181726
Anahtar kelimeler
Acoustic devices, Optical variables measurement, Acoustic Sensors, Optical time domain reflectometry, Phase-sensitive, Sensing fibers, Strain perturbation, Demodulation
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Kaynak
Optics InfoBase Conference Papers
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