Title :
A hybrid fiber optic sensing system for structural health monitoring
Author :
Ghorai, S.K. ; Sengupta, S. ; Sidhishwari, Soumya ; Roy, D.R.
Author_Institution :
Dept. of Electron. & Commun. Eng., Birla Inst. of Technol., Mesra Ranchi, India
Abstract :
We propose a hybrid fiber optic sensor consisting of a fiber Bragg grating and a birefringent fiber for structural health monitoring. Fiber Bragg grating has been used for quasi-distributed measurement and modal interference in birefringent fiber for fully distributed measurement of strain simultaneously. Results are presented for the applied strain of 0-2500 μstrain in simply supported beams.
Keywords :
Bragg gratings; beams (structures); birefringence; condition monitoring; fibre optic sensors; strain measurement; structural engineering; birefringent fiber; fiber Bragg grating; hybrid fiber optic sensing system; modal interference; quasi-distributed measurement; strain measurement; structural health monitoring;
Conference_Titel :
Sensors, 2010 IEEE
Conference_Location :
Kona, HI
Print_ISBN :
978-1-4244-8170-5
Electronic_ISBN :
1930-0395
DOI :
10.1109/ICSENS.2010.5689938
