Title : 
Submillimeter crack detection with brillouin-based fiber-optic sensors
         
        
            Author : 
Fabien Ravet;Fabien Briffod;Branko Glisic;Marc Nikle;Daniele Inaudi
         
        
            Author_Institution : 
Omnisens SA, Morges, Switzerland
         
        
        
        
        
        
        
            Abstract : 
Submillimeter crack is detected with a dedicated fiber-optic strain cable, a 1-m-spatial-resolution (w) distributed Brillouin sensor and an advanced signal processing technique. The signal processing approach consists in spectrum shape analysis and multiple peaks detection.
         
        
            Keywords : 
"Optical fiber sensors","Optical fiber cables","Spatial resolution","Capacitive sensors","Optical signal processing","Strain measurement","Monitoring","Fault detection","Stress","Optical sensors"
         
        
            Journal_Title : 
IEEE Sensors Journal
         
        
        
        
        
            DOI : 
10.1109/JSEN.2009.2019325