Optical amplifiers - Test methods - Part 10-5: Multichannel parameters - Distributed Raman amplifier gain and noise figure (IEC 61290-10-5:2014); German version EN 61290-10-5:2014— 23 стр.
Optical amplifiers - Part 4: Multichannel applications - Performance specification template (IEC 61291-4:2011); German version EN 61291-4:2012— 14 стр.