Geophysical Applications of φ-OTDR/DAS

被引：1
|
作者：
Lindsey, Nathaniel J. [1 ]
机构：
[1] FiberSense, 66 Franklin St, Oakland, CA 94619 USA
来源：
2023 OPTICAL FIBER COMMUNICATIONS CONFERENCE AND EXHIBITION, OFC | 2023年
关键词：
INTERFEROMETRY; SENSORS;
D O I：
10.1364/OFC.2023.W1J.1
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
phi-OTDR/DAS enables dense, long-range (1 - 200 km), array recordings of strain fields with exceptional sensitivity (< 1x10(-9) strain) wherever optical fiber exists. The measurement is conventionally based on interferometrically extracting dynamic phase information of the Rayleigh backscattered light from one end of a single-mode fiber. Recently, phi-OTDR/DAS has expanded into telecommunications networking, seismology and geophysics, water infrastructure monitoring, and civil engineering. (c) 2022 The Author(s)
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页数：5
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