UNE-EN 61290-3-2:2008 Optical amplifier test methods -- Part 3-2: Noise figure parameters - Electrical spectrum analyzer method (Endorsed by AENOR in February of 2009.)
2009UNE-EN 61290-3-2:2008 Optical amplifier test methods -- Part 3-2: Noise figure parameters - Electrical spectrum analyzer method (Endorsed by AENOR in February of 2009.)