Methods for testing optical fibres

Details Methods for testing optical fibres Methods for testing optical fibres

G - Physics

01

N

73/58

G01N 21/17 (2006.01)

Patent

CA 1112472

METHODS FOR TESTING OPTICAL FIBRES Abstract of the Disclosure The invention uses the phenomenon of self- coupling by which light emitted from, and reflected back into, a laser produces self-coupling with consequent change in lasing activity. The invention proposes using the laser as a detector by inducing the self-coupling and monitoring the change in lasing activity. The invention enables fibre length, and the position of a reflective discontinuity in a fibre to be determined without the sophisticated and costly equipment required by current optical time domain reflectometry techniques. -i-

323907

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