Optical fibre amplifiers - Basic specification - Part 1-1: Test methods for gain parameters; optical spectrum analyzer (IEC 61290-1-1:1998); German version EN 61290-1-1:1998— 9 стр.
Optical amplifiers - Test methods - Part 1-1: Power and gain parameters - Optical spectrum analyzer method (IEC 61290-1-1:2006); German version EN 61290-1-1:2006— 15 стр.
Optical amplifiers - Test methods - Part 1-1: Power and gain parameters - Optical spectrum analyzer method (IEC 61290-1-1:2006); German version EN 61290-1-1:2006— 15 стр.