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Ultra-long-range OTDR in single-mode fibres at 1.3 μm

Ultra-long-range OTDR in single-mode fibres at 1.3 μm

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A single-mode optical time-domain reflectometer (OTDR) operating at a wavelength of 1.3 μm with a dynamic range in excess of 26 dB one way is reported. The equipment incorporates a semiconductor laser source and a new low-noise optical receiver design utilising a PIN diode detector and a transimpedance amplifier.

References

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      • K. Noguchi , Y. Murakami , K. Yamashita , F. Ashiya . 52 km-long single-mode optical fibre fault location using the stimulated Raman scattering effect. Electron. Lett. , 41 - 42
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      • P. Healey . Multichannel photon-counting backscatter measurements on monomode fibre. Electron. Lett. , 751 - 752
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      • P. Healey , D.J. Malyon . OTDR in single-mode fibre at 1.5 μm using heterodyne detection. Electron. Lett. , 862 - 863
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      • P. Healey , D.R. Smith . OTDR in single-mode fibre at 1.55 μm using a semiconductor laser and PINFET receiver. Electron. Lett. , 959 - 961
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      • S.E.H. Turley , G.D. Henshall , P.D. Greene , V.P. Knight , D.M. Moule , S.A. Wheeler . Properties of inverted ribwaveguide lasers operating at 1.3 μm wavelength. Electron. Lett. , 868 - 870
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      • Gold, M.P., Hartog, A.H.: `Analysis of backscatter waveforms from single-mode fibres', Proceedings of the 8th European Conference on Optical Communication, 1982, Cannes, p. 633–638.

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