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Simultaneous measurement of strain and temperature using fibre Bragg gratings in a twisted configuration

Title
Simultaneous measurement of strain and temperature using fibre Bragg gratings in a twisted configuration
Type
Article in International Scientific Journal
Year
2005
Authors
Frazao, O
(Author)
Other
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Ferreira, LA
(Author)
Other
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Araujo, FM
(Author)
Other
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Santos, JL
(Author)
FCUP
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Journal
Vol. 7
Pages: 427-430
ISSN: 1464-4258
Scientific classification
FOS: Natural sciences > Physical sciences
Other information
Authenticus ID: P-000-26A
Abstract (EN): A novel sensing head for simultaneous measurement of strain and temperature is demonstrated, based on two Bragg gratings arranged in a twisted configuration. Choosing an appropriate twisting period, the grating resonance wavelengths show similar temperature sensitivities but different strain responses, permitting simultaneous discrimination of these parameters with rms deviations of +/- 1.5 degrees C and +/- 4.7 mu epsilon respectively.
Language: English
Type (Professor's evaluation): Scientific
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