Historical
IEC 61291-5-2 Ed. 1.0 b:2002
Optical amplifiers - Part 5-2: Qualification specifications - Reliability qualification for optical fibre amplifiers
Applicable to optical amplifiers (OAs) and optically amplified, elementary sub-systems for terrestrial applications, using active fibres (optical fibre amplifiers, OFAs), containing rare-earth dopants, which are commercially available.
International Electrotechnical Commission [iec]