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Proceedings Paper

Civil engineering transducer's interrogation unit
Author(s): Cesar Jauregui; Antonio Quintela; Olga Maria Conde; Adolfo Cobo; Jose Miguel Lopez-Higuera
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Paper Abstract

A new interrogation scheme for civil engineering transducers is presented. Although it was developed in the first place for Fiber Bragg Grating based transducers, it has also demonstrated a good performance when interrogating other type of sensors such as those based on Low Finesse Fabry-Pérot Cavities. The proposed unit is able to extract the required information from the transducers by measuring the characteristics of the near field radiation created in the surroundings of a tilted fiber Bragg grating. This working principle makes it very attractive and suitable for civil engineering structural monitoring. Among the technical characteristics of the scheme, the following should be highlighted: inherent capability for extracting information of wavelength multiplexed FBG-based transducers, very wide wavelength operation range, and good wavelength resolution.

Paper Details

Date Published: 8 March 2004
PDF: 9 pages
Proc. SPIE 5272, Industrial and Highway Sensors Technology, (8 March 2004); doi: 10.1117/12.517212
Show Author Affiliations
Cesar Jauregui, Univ. de Cantabria (Spain)
Antonio Quintela, Univ. de Cantabria (Spain)
Olga Maria Conde, Univ. de Cantabria (Spain)
Adolfo Cobo, Univ. de Cantabria (Spain)
Jose Miguel Lopez-Higuera, Univ. de Cantabria (Spain)


Published in SPIE Proceedings Vol. 5272:
Industrial and Highway Sensors Technology
Brian Culshaw; Samuel David Crossley; Helmut E. Knee; Michael A. Marcus; John P. Dakin, Editor(s)

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