Optical fibre amplifiers - Basic specification - Part 1-3: Test methods for gain parameters; optical power meter (IEC 61290-1-3:1998); German version EN 61290-1-3:1998— 9 стр.
Optical amplifiers - Test methods - Part 1-3: Power and gain parameters - Optical power meter method (IEC 61290-1-3:2005); German version EN 61290-1-3:2005— 19 стр.
Optical amplifiers - Test methods - Part 1-3: Power and gain parameters - Optical power meter method (IEC 61290-1-3:2005); German version EN 61290-1-3:2005— 19 стр.