| 摘要 |
<p>This patent describes the optical power amplifier, used in telecommunication lines (2) especially with optical fibres (6, 8) closed to the type Al/Er, containing the active fibre (8) supplemented by fluorescent substance, based on erbium especially (Er2O3) pumped with the use of the pumping laser (7, 12) with the output wave length of 980 nm, where the active fibre (8) contains aluminium oxide (Al2O3), with a modifying refraction index value, playing role of the supplementary substance.</p> |
