| 简介 |
The present invention refers to a fibre optic amplifier system based on a fibre doped with rare earth ions comprising a pumping laser, a coupler and the active optical fibres doped with rare earth ions, characterised in that the beam light from an external signal laser (LS) is directed from the signal input with the fibre optics the first multiplexer (WDM1), the active fibre optic doped with rare earth ions, preferably erbium and ytterbium, the second multiplexer (WDM2) for the signal output, wherein prior to the first multiplexer (WDM1) the optical filter (FO) or the circulator (C) with the optical filter (FO) is connected in parallel, preferably the isolator (IO) forcing the light propagation direction, coupled to the multiplexer WDM2, preferably in front of the FO or circulator (C) with the optical filter (C) the output coupler (SW) is arranged. |
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