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DiCon Fiberoptics announces a Dynamic Power Equalization (DPE) plug-in for its GP700 line of optical test and measurement equipment. The DPE plug-in provides a constant-power optical output, at a preset, user-adjustable level, controlled via software. A closed-loop feedback circuit is used to adjust the attenuation of the optical input power, using a DiCon VOA. The plug-in features low insertion loss (1.2 to 1.8 dB, depending on the optical tap ...