250 km ultra long sensor system based on a Fiber Loop Mirror interrogated by an OTDR
    
  
 
  
    
    
        250 km ultra long sensor system based on a Fiber Loop Mirror interrogated by an OTDR
    
  
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      Date
    
    
        2011
    
  
Authors
  M. Lopez-Amo
  José Manuel Baptista
  José Luís Santos
  Orlando Frazão
  M. Bravo