DIN EN IEC 61290-1:2023-02
Optical amplifiers - Test methods - Part 1: Power and gain parameters (IEC 86C/1746/CDV:2021); German and English version prEN IEC 61290-1:2021 / Note: Date of issue 2023-01-27*Intended as replacement for DIN EN 61290-1 (2015-11).