A Fabry - Perot interferometer formed in the core of a composite optical fibre heavily doped with phosphorus oxide

We report a new method for manufacturing a Fabry - Perot interferometer in the form of a microcavity in the optical fibre core. The method is based on the use of the process of electric discharge fusion splicing of a conventional optical fibre and a special composite fibre having a core with a high...

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Bibliographic Details
Published in:Quantum electronics (Woodbury, N.Y.) N.Y.), 2019-12, Vol.49 (12), p.1140-1144
Main Authors: Egorova, O.N., Vasil'ev, S.A., Likhachev, I.G., Sverchkov, S.E., Galagan, B.I., Denker, B.I., Semjonov, S.L., Pustovoi, V.I.
Format: Article
Language:English
Subjects:
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
composite optical fibre
DOPED MATERIALS
ELECTRIC DISCHARGES
FABRY-PEROT INTERFEROMETER
Fabry-Perot interferometers
High temperature
OPTICAL FIBERS
Phosphorus
PHOSPHORUS OXIDES
SENSORS
Splicing
STABILITY
strain sensor
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Summary:We report a new method for manufacturing a Fabry - Perot interferometer in the form of a microcavity in the optical fibre core. The method is based on the use of the process of electric discharge fusion splicing of a conventional optical fibre and a special composite fibre having a core with a high content of phosphorus oxide. The possibility of using this interferometer as a sensitive element of a strain sensor with high temperature stability is shown.
ISSN:1063-7818
1468-4799
DOI:10.1070/QEL17133