OPTISCHE TUSSENVERSTERKER VOOR EEN STELSEL VOOR HET OVERBRENGEN VAN BERICHTEN.

摘要

An intermediate amplifier for a transmission system intended for communications transmission applications using light waves in optical wave guides employs an optical amplifier which amplifies the light waves on the laser principle. For transmitting pulse-modulated signals, the optical amplifier is pulse pumped at the instant when light pulses arrive. The pumping device includes an electronic amplifier whose input receives a part of the incoming light power by way of a photodiode.