IEC 61300-3-19-1997
纤维光学互连器件和无源元件 基本试验和测量程序 第3-19部分:检验和测量 单模纤维光学器件回波损耗偏振依赖性
Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-19: Examinations and measurements - Polarization dependence of return loss of a single-mode fibre optic component