Kee, H.H., Lees, G.P., Taverner, D., Richardson, D.J. and Newson, T.P.
A novel method of increasing the range of 1.65µm OTDR using a Q-switched erbium fibre laser.
In, Quantum Electronics Conference (QE13), Cardiff, GB,
08 - 11 Sep 1997.
This paper demonstrates a novel method of increasing the range of a 1.65µm optical time domain reflectometer system (OTDR). OTDR measurements at 1.65µm are more sensitive to fibre macro and micro bending losses than those produced at wavelengths 1.3 and 1.55µm. This enables problems to be identified in their early stages reducing the risk of total system failure. However, the dynamic range of current 1.65µm OTDR systems
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