Development and performance testing of OTDR-based twisted fiber optic strain sensors

Development and performance testing of OTDR-based twisted fiber optic strain sensors

To accurately monitor the deformation patterns of rock masses in high-stress soft rock tunnels, a coiled optical fiber strain sensor was developed using optical time-domain reflectometry. The effects of spring diameter, pitch, number of turns, and compression displacement on fiber optic loss and sen...

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Bibliographic Details
Main Authors: Qiangsheng TAO, Yingming LI, Xiangjun WANG, Chaotao FAN, Demao GUO, Wencong DUAN
Format: Article
Language:zho
Published: Editorial Department of Coal Science and Technology 2024-11-01
Series:Meitan kexue jishu
Subjects:
roadway deformation
fiber optics
otdr
displacement sensor
bending loss
Online Access:http://www.mtkxjs.com.cn/article/doi/10.12438/cst.2024-0831
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