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Uniaxial fiber Bragg grating accelerometer system with temperature and cross axis insensitivity

Title
Uniaxial fiber Bragg grating accelerometer system with temperature and cross axis insensitivity
Type
Article in International Scientific Journal
Year
2011
Authors
Paulo Antunes
(Author)
Other
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Humberto Varum
(Author)
FEUP
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Paulo S Andre
(Author)
Other
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Journal
Vol. 44
Pages: 55-59
ISSN: 0263-2241
Publisher: Elsevier
Scientific classification
FOS: Engineering and technology > Civil engineering
CORDIS: Technological sciences > Engineering > Civil engineering > Structural engineering
Other information
Authenticus ID: P-002-Z4M
Abstract (EN): In this paper we describe the implementation and test of an optical fiber based accelerometer with cross axis insensitivity. The accelerometer uses two matching fiber Bragg gratings which are also responsible by the demodulation of the wavelength encoded information. The accelerometer was tested in a reinforced concrete slab, of a 3-storey building located at the University of Aveiro, Portugal. A maximum error of 0.25% for the slab eigenfrequencies was obtained when compared with the values acquired by an electronic sensor.
Language: English
Type (Professor's evaluation): Scientific
Contact: pandre@av.it.pt
No. of pages: 5
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