Device for detecting fractures in power transmission fibers

Details Device for detecting fractures in power transmission fibers Device for detecting fractures in power transmission fibers

G - Physics

01

M

340/124.6

G01M 11/00 (2006.01) G01N 21/88 (2006.01)

Patent

CA 1218724

SO-2-33349M/AO/83. ABSTRACT OF THE DISCLOSURE A device for detecting fracture faults in optical power transmission fibers in which a plastic fiber is laid parallel to and closely adjacent the power transmission fiber. The plastic fiber has a melting point lower than a temperature reached by a portion of the power transmission fiber containing a fracture fault when power is applied to the power transmission fiber. The portion of the plastic fiber adjacent the fault melts, thereby interrupting the path of a reference beam through the plastic fiber from a reference beam source to a detector. The absence of a returned reference beam at a detector is taken as an indication that the power transmission fiber has a fracture fault.

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