BS EN IEC 61300-3-7:2021
纤维光学互连器件和无源元件. 基本试验和测量程序. 第3-7部分: 检查和测量. 衰减的波长相关性和单模组件的回波损耗
Fibre optic interconnecting devices and passive components. Basic test and measurement procedures. Examinations and measurements. Wavelength dependence of attenuation and return loss of single mode components