G - Physics – 01 – B
Patent
G - Physics
01
B
G01B 11/16 (2006.01) G01D 5/26 (2006.01) G01D 5/353 (2006.01) G01L 1/24 (2006.01)
Patent
CA 2443412
The invention relates to a long-base, stretched fibre-optic and Bragg network extensometer and a production method for same. According to the invention, which is particularly suitable for the surveillance of engineering structures, a part of the optical fibre (4) containing a Bragg network (R) is disposed in a tube (16);said part is stretched between the two ends of the tube; the ends of said part are fixed to the ends of the tube; said tube is intended to be solidly connected to a host material (2).
Extensomètre à longue base, à fibre optique tendue et réseau de Bragg, et procédé de fabrication de cet extensomètre. Selon l'invention, qui s'applique notamment à la surveillance d'ouvrages d'art, on dispose une partie de la fibre optique (4) contenant un réseau de Bragg (R) dans un tube (16); on tend cette partie entre les deux extrémités du tube; on fixe les extrémités de cette partie aux extrémités du tube; ce tube est destiné à être rendu rigidement solidaire d'un matériau-hôte (2).
Dewynter-Marty Veronique
Ferdinand Pierre
Rougeault Stephane
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