1.55 μm OTDR for single-mode optical fibre longer than 110 km

12 April 1984

journal article
Published by Institution of Engineering and Technology (IET) in Electronics Letters

Vol. 20 (8) , 323-325
https://doi.org/10.1049/el:19840219

Abstract

An optical time domain reflectometer for a single-mode optical fibre longer than 110 km has been newly demonstrated using a 1.55 μm Er³⁺: glass laser, a TeO₂ acousto-optical directional coupler and a Ge avalanche photodiode.

Keywords

1.55 MICRONS WAVELENGTH
OPTICAL TESTING
OPTICAL TIME DOMAIN REFLECTOMETER
SINGLE-MODE OPTICAL FIBRE
BACKSCATTERING TECHNIQUE
OTDR
FIBRE CABLES
OPTICAL COMMUNICATION
ER3+:GLASS LASER
GE AVALANCHE PHOTODIODE
ULTRALONG FAULT LOCATION SYSTEM
TEO2 ACOUSTO-OPTICAL DIRECTIONAL COUPLER

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