Optical Time Domain Reflectometry

Optical Time Domain Reflectometry

Measurement of the elapsed time and intensity of light reflected on optical fibre using an optical time domain reflectometer. The reflectometer can compute the distance to problems on the fibre such as attenuation and breaks, making it a useful tool in optical network trouble-shooting.
References in periodicals archive ?
Interested firms shall have a proven experience and competence in Optical Time Domain Reflectometry on Single Mode Optical Fibers and Distributed Temperature Measurements via Raman scattering on Single Mode Optical Fibers (dual wavelength OTDR systems).
Chang, "Signal-to-noise ratio enhancement based on empirical mode decomposition in phase-sensitive optical time domain reflectometry systems," Sensors, vol.
With 10 [micro]m spatial resolution, 500 m range, 125 dB sensitivity, and no dead zones, the OBR takes high resolution optical time domain reflectometry to the next level.
The intrusion sensing technique using Rayleigh scattering in a single-mode optical fiber had the advantage of providing distance information; however, the sensitivity in optical time domain reflectometry (OTDR) configuration [12] was not sufficient for underground burial application.
Tenders are invited for Optical time domain reflectometry test tools and compact light weight splicing machine
Therefore, based on optical fiber sensing principles, optical time domain reflectometry (OTDR) [10-12], and using the spatial structure of the beam, a new optical fiber sensor for landslides monitoring, COFT, was invented.

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