Proceedings of the Computational Structural Engineering Institute Conference (한국전산구조공학회:학술대회논문집)
- 2003.10a
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- Pages.556-565
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- 2003
Displacement Measurement by Multiplexed Optical Loss -based Fiber Optic Sensor
다중화된 광 손실형 광섬유 센서에 의한 변위의 측정
Abstract
Light losses in optical fibers are investigated by a fiber optic OTDR (Optical Time Domain Reflectometry) sensor system to develop fiber optic probes for structural displacement measurement. The displacement sensitivity was determined by the measurements of fiber-bending loss according to the gage length changes of the displacement sensor. The fiber optic displacement probe was manufactured to verify the feasibility of the structural displacement measurement.
Keywords