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IEVref:731-07-08ID:
Language:enStatus: Standard
Term: optical time domain reflectometry
Synonym1: OTDR (abbreviation)
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Synonym2: backscattering technique
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Definition: a technique for characterizing an optical fibre whereby an optical pulse is transmitted through the optical fibre and the optical power of the resulting light scattered and reflected back to the input is measured as a function of time

NOTE – Useful in estimating attenuation coefficient for uniform fibres, and identifying and localising defects and localised losses.


Publication date:1991-10
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