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Until recently OSAs could only determine whether a given channel was experiencing noise. However, with the WDM Investigator, an OSA can now identify several types of impairments on a per-channel basis...

Declaration of conformity CE for EXFO's FTB-4-Pro

Live topology can provide a new standard of efficient service operations. As a result, network operations staff can rapidly find and resolve network issues.

EXFO Vision provides 24/7, in-network visibility of service quality from the headend to the set-top box.

This white paper demonstrates that traditional OSAs, with precise specifications for each application, are perfectly adapted to carry out the typical OSA measurements in the field, and that high-resol...

This article explains why a next-generation OSA, based on a technique known as polarization-resolved optical spectrum OSNR (PROS OSNR), is required for accurate in-band OSNR measurements.

This article introduces the polarization-resolved optical spectrum OSNR measurement method, a breakthrough approach that represents a powerful tool for the measurement of in-channel OSNR.

This paper describes an approach that not only relies on the relative differences in the polarization properties of the datacarrying signal and noise but also leverages their respective spectral prope...

Declaration of conformity CE for EXFO's FTB-5235