OTDR in single-mode fibre at 1.55 μm using a semiconductor laser and PINFET receiver
- 28 October 1982
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 18 (22) , 959-961
- https://doi.org/10.1049/el:19820659
Abstract
Optical time domain reflectometry (OTDR) at a wavelength of 1.55 μm using a semiconductor laser source is reported for the first time. The apparatus uses a PINFET optical receiver and can detect the Rayleigh scatter signal over 30 km of single-mode fibre installed in duct.Keywords
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