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Temperature-Independent Curvature Sensor Using FBG Cladding Modes Based on a Core Misaligned Splice

Title
Temperature-Independent Curvature Sensor Using FBG Cladding Modes Based on a Core Misaligned Splice
Type
Article in International Scientific Journal
Year
2011
Authors
Gouveia, C
(Author)
Other
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Jorge, PAS
(Author)
FCUP
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Baptista, JM
(Author)
Other
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Frazao, O
(Author)
FCUP
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Journal
Vol. 23
Pages: 804-806
ISSN: 1041-1135
Publisher: IEEE
Other information
Authenticus ID: P-002-QFW
Abstract (EN): A fiber-optic curvature sensor based on a core offset single-mode fiber (SMF) combined with a fiber Bragg grating (FBG) is presented. The FBG cladding modes are efficiently excited by the large core misalignment. The curvature of the fiber can be obtained by the ratio between the recoupled cladding mode power and the reflected core mode power. These measurements are independent from temperature variation.
Language: English
Type (Professor's evaluation): Scientific
No. of pages: 3
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