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Strain and temperature discrimination using high-birefringence erbium-doped fiber loop mirror with high pump power laser

Title
Strain and temperature discrimination using high-birefringence erbium-doped fiber loop mirror with high pump power laser
Type
Article in International Scientific Journal
Year
2008
Authors
frazao, o
(Author)
Other
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egypto, d
(Author)
Other
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aragao-bittencourt, l
(Author)
Other
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giraldi, mtmr
(Author)
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marques, mb
(Author)
FCUP
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Journal
Vol. 20
Pages: 1033-1035
ISSN: 1041-1135
Publisher: IEEE
Other information
Authenticus ID: P-003-ZP5
Abstract (EN): This work presents a method to tune the sensitivity of the sensor in a highly birefringent erbium-doped fiber loop mirror (FLM) when it is pumped. This concept was used for simultaneous measurement of strain and temperature. The FLM is sequentially pumped and unpumped by a high pump laser at 980 nm to change the erbium-doped fiber properties. The sensing head changes its sensitivity when subjected to strain and/or temperature variations due to thermal effects originated by the pump laser.
Language: English
Type (Professor's evaluation): Scientific
Contact: ofrazao@inescporto.pt; diogoegypto@gmail.com; aragaobittencourt@gmail.com; mtmrocco@ime.eb.br; mbmarque@fc.up.pt
No. of pages: 3
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