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OTDRS: End of Non-linearity Issues

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OTDRS: End of Non-linearity Issues

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  • Author: Michel Leblanc, Martin Powers
As the signal travels along the fiber, light scattering occurs due to discontinuities such as connectors, splices, bends and faults, which induce power loss. It is the remaining signal that makes its way back to the OTDR’s detector, which allows the instrument to determine how far the signal traveled, as well as characterize the signal and events along the fiber, based on the time lapse between launch and detection. These characterizations are displayed as traces, and the quality of the traces are dependent upon the linearity of the instrument.

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