Remote monitoring of optical fibers

Details Remote monitoring of optical fibers Remote monitoring of optical fibers

H - Electricity

04

B

H04B 10/08 (2006.01)

Patent

CA 2556444

An optical fiber monitoring arrangement includes a monitoring fiber formed from an optical fiber having a core and a cladding and suitably modified to include a zone of altered refractive index defining an optical channel extending from the core to the outer surface of the fiber. The channel is capable of diverting therealong a portion of light traveling along the core. A detector positioned adjacent the monitoring fiber receives light diverted along the channel and transforms the diverted light into an electrical signal. The electrical signal can then be conveyed, preferably wirelessly, to an appropriate receiver for further processing and analysis. The arrangement is particularly useful in monitoring optical networks at remote locations and signaling service personnel of problems detected in the network, as determined by changes in, for example, the strength of the light diverted to the detector.

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