Photonic Instrumentation Engineering VII 2020
DOI: 10.1117/12.2542689
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Hybrid distributed acoustic-temperature sensing using a few-mode fiber

Abstract: Optical fiber distributed acoustic sensor (DAS) and distributed temperature sensor (DTS) are considerably desirable for many important applications including oil and gas industry. Simultaneous measurements of vibration and temperature will exclude the need for two separate DAS and DTS systems, reduce overall cost, and ensure continuous real-time monitoring of these two important sensing parameters. We here devise a hybrid DAS-DTS system using a few-mode fiber (FMF). Although the system requirements for DAS and… Show more

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Cited by 2 publications
(2 citation statements)
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“…Meanwhile, high power can be injected into the FMF to realize the conditions of MMF-based sensors, such as DTS. For example, Ashry et al utilized a TMF as a compromise between the standard SMF and MMF to design a hybrid DAS-DTS system [54]. Using the centerlaunching technique, the authors excited only the LP 01 mode into the FMF to satisfy the operation requirements of the DAS and DTS.…”
Section: Fmf As a Compromise Between Standard Smf And Mmfmentioning
confidence: 99%
See 1 more Smart Citation
“…Meanwhile, high power can be injected into the FMF to realize the conditions of MMF-based sensors, such as DTS. For example, Ashry et al utilized a TMF as a compromise between the standard SMF and MMF to design a hybrid DAS-DTS system [54]. Using the centerlaunching technique, the authors excited only the LP 01 mode into the FMF to satisfy the operation requirements of the DAS and DTS.…”
Section: Fmf As a Compromise Between Standard Smf And Mmfmentioning
confidence: 99%
“…Differential Rayleigh signals (a) and temperature profile (b) measured using a QSM-operated-TMF in a hybrid DAS-DTS system[54].…”
mentioning
confidence: 99%