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Dealing with Reduced Chromatic Dispersion Tolerances

Challenge

40 Gbit/s has drastically reduced chromatic dispersion (CD) tolerances compared to 10 Gbit/s. In addition, ROADM and low-noise amplifiers increase all optical distances. Only a phase-shift measurement method, which offers more than 900 test points in the C+L band, can guarantee accurate measurements.

Test Solution

Housed in the FTB-500 platform, the FTB-5800 Chromatic Dispersion Analyzer offers the speed, accuracy and high performance required for testing CD. It can also test through amplifiers.

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