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130-km-long fault location for single-mode optical fiber using 1.55-microm Q-switched Er(3+):glass laser
Optics Letters
|September 2, 2009
Abstract:
An optical-time-domain reflectometer has been constructed with a 1.55-microm Er(3+):glass laser, a TeO(2) acousto-optical directional coupler, and a cooled Ge P-I-N photodiode. With it, a maximum detectable fault-location length of 130 km for single-mode optical fiber has been successfully achieved at a 1.55microm wavelength.
