Where fiber optic technology is concerned, we typically envision data transmission over tremendous lengths with very low optical losses incurred. It is these characteristics that enable the web of connectivity that virtually every human benefits from.

 

If we view these technologies differently, it turns out that some of the lesser known, but fundamental characteristics of optical fiber and cable, lend themselves to solving real world problems.

 

  • Imagine being able to monitor the entire length of a water, oil, or gas pipeline to create a temperature profile, ensuring adequate flow.
  • How about listening to that same pipeline to detect small, manageable leaks at any point along the pipe – before they become catastrophic?
  • What if we could sense seismic activity over great areas, using existing telecommunications cables?
  • Is it possible to detect foot traffic, vehicle movement, or intrusion activities along a remote perimeter?
  • Could we reduce the frequency and severity of train derailments by working to detect rail fatigue or break and their causes – preventing, rather responding to them after-the-fact?

 

These are just some of the use cases where Distributed Fiber Optic Sensing (DFOS) has and will grow in use in the coming decades.

 

DFOS is commonly viewed in four separate technologies:
 

Distributed Temperature Sensing (DTS) – where temperature can be monitored at every meter along a lengthy asset.

 

Distributed Acoustic Sensing (DAS) – where sound is detected as if microphones are placed at meter intervals along spans reaching more than 100 km.

 

Distributed Strain Sensing (DSS) – where fiber optic cables can be engineered and mechanically coupled to structures, like dams and pipelines, where ground movement can be detected and threatened locations pinpointed.

 

Distributed Strain and Temperature Sensing (DSTS, also called DTSS) – where systems of great length can be continuously monitored to ensure fault-free operation while improving safety.

 

Learn More

OFS is a world leader in the design and manufacture of optical fiber. Our commitment to continuous innovation and improvement enable us to help resolve challenges faced by some of the world’s most complex and challenging industries. To learn more about our fibers for sensing or discuss your specific needs with an expert, reach out to the OFS team today.

 

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