Setup for Acoustic Sensitivity Measurements of Fiber Optic Cables Based on Weak FBGs

A.A. Zhirnov,R.I. Khan,K.I. Koshelev,K.V. Stepanov,T.V. Choban,A.O. Chernutsky,A.B. Pnev, A.I. Lopunov,O.V. Butov

2022 International Conference Laser Optics (ICLO)（2022）

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摘要

We report on a study of a new scheme for acoustic sensitivity measurements of fiber optic cables. It uses a Fizeau interferometer scheme with weak fiber Bragg gratings as a mirrors. It's advantage is the absence of interferometer reference arm which exclude noise influence on it and on other parts of scheme.

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关键词

Fizeau interferometer,fiber optic sensors,acoustic measurements,fiber optic cables

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