Symbiosis-Michelson interferometer based detection scheme for the measurement of dynamic signals

Jingshan Jia,Yi Jiang, Liuchao Zhang,Hongchun Gao,Lan Jiang

IEEE Sensors Journal（2019）

引用 6|浏览5

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摘要

A symbiosis-Michelson interferometer (SMI)-based detection scheme is proposed and experimentally demonstrated. The SMI comprises a 3 × 3 coupler, two FBGs with different center wavelengths, and a common reference arm. Two MIs share a 3 × 3 coupler and a reference arm. The sensing part is the fiber between the two FBGs. The sensitivity of the sensor is high because of its long sensing fiber. Light ...

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关键词

Demodulation,Optical fiber sensors,Vibrations,Couplers,Optical interferometry,Optical fiber couplers

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