NF C93-805-2-2*NF EN 61290-2-2:1998 Optical fibre amplifiers. Basic specification. Part 2-2 : test methods for optical power parameters. Electrical spectrum analyzer.
1998NF C93-805-2-2*NF EN 61290-2-2:1998 Optical fibre amplifiers. Basic specification. Part 2-2 : test methods for optical power parameters. Electrical spectrum analyzer.