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A novel method of increasing the range of 1.65Ám OTDR using a Q-switched erbium fibre laser

Huai Hoo Kee, Gareth P.Lees and Trevor P.Newson


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 1.55 μm. 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

QE13 Cardiff 8-11 Sep (1997) pp.14

Southampton ePrint id: 76736


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Copyright University of Southampton 2006