标准摘要
[中文适用范围]： IEC 61300 的这一部分描述了可用于测量光学元件衰减的各种方法。然而，它不适用于密集波分复用（DWDM）组件。 [外文原描述]： Describes various methods available to measure the attenuation of optical components, except dense wavelength division multiplexing (DWDM) components.
英文名称Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-4: Examinations and measurements - Attenuation