KS C IEC 61300-3-31:2012 Fibre optic interconnecting devices and passive components-Basic test and measurement procedures-Part 3-31:Examinations and measurements-Coupled power ratio measurement for fibre optic sources
2012KS C IEC 61300-3-31:2012 Fibre optic interconnecting devices and passive components-Basic test and measurement procedures-Part 3-31:Examinations and measurements-Coupled power ratio measurement for fibre optic sources