Fibre optic interconnecting devices and passive components—Basic test and measurement procedures—Part 3-20:Examinations and measurements—Directivity of fibre optic branching devices
IDT IEC 61300-3-20:2001
中国电子技术标准化研究所(CESI)
本部分旨在测量多端口非波长选择的M×N纤维光学分路器件的通道间的光的方向性。方向性定义为从一个输入通道到另一个输入通道的光的比率，通常情况下与前一通道间相互隔离。
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