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Long-range OTDR for single-mode optical fibre using a P2O5 highly doped fibre Raman laser |
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| Authors: | Suzuki K Noguchi K Uesugi N |
| Affiliation: | NTT Electrical Communications Laboratories, Tokai, Japan; |
| Abstract: | A wide-dynamic-range single-mode optical time-domain reflectometer using a P2O5 highly doped fibre Raman laser and a cooled Ge-PIN photodiode has been realised for the first time. The maximum detectable one-way loss was improved to 35dB in the 1.5 ?m wavelength band. |
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