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published: 27.05.2008

What does “fiber optic distributed sensing” refer to?

 What does “fiber optic distributed sensing” refer to?

The “fiber optic distributed sensing” concept refers to measurements performed along an optical fiber. The optical fiber itself is the sensing element and the distributed sensing technique allows the measurement of multiple locations along the fiber length in one shot. A single fiber can therefore replace thousands of conventional point sensors. The measurement localization is done via time-of-flight interrogation and can be achieved down to sub-meter accuracy. This concept can be used to measure temperature, strain or pressure depending on the sensing cable and fiber types.

 

fibre fiber optic distributed sensing DTS DTSS