Parallel structured optical fiber in-line Fabry-Perot interferometers for high temperature sensing.
Opt Lett
; 45(3): 726-729, 2020 Feb 01.
Article
em En
| MEDLINE
| ID: mdl-32004295
ABSTRACT
We propose and demonstrate parallel structured optical fiber in-line Fabry-Perot interferometers for high temperature sensing. The device consists of three Fabry-Perot cavities in parallel connection, which allows three independent fringe patterns superimposed at its output, and, as a result, a number of dominant fringe peaks/dips appear, thus enabling unambiguous measurement in a large range. The device is featured with compact size, robust structure, and excellent high temperature sustainability, which makes it promising in extreme environment monitoring.
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MEDLINE
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En
Ano de publicação:
2020
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Article