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分析了规格型光分路器分光比规格值与网络设计值(实际需要值)的偏差对光节点电平及其均衡性的影响,指出了通常按分光比等量均匀递变划定和设计的光二分路器规格体系存在的问题,给出了一种按分光比非等量递变划定和设计光二分路器规格的思路、方法和规格表。提出分光比规格值与设计值的偏差对光节点电平及其均衡性的影响主要表现在分光比较低的光路上,因而在设计规格和选择型号时,只需要考虑分光比低端适用范围。只要低端分光比偏差在允许范围内,对光节点电平及其均衡性的影响就必定在正常范围内。
The influence of the deviations between the specification value and the network design value (actually required value) of the standard optical splitter on the optical node level and its balance is analyzed. It is pointed out that the splitting and design This paper presents a way to demarcate and design the specifications of optical splitter according to the non-equal division ratio. It is proposed that the influence of the deviation of the spectral ratio between the specification value and the design value on the optical node level and its balance is mainly on the optical path with a lower splitting ratio. Therefore, in the design specifications and the selection of the model, only the splitting ratio needs to be considered for the low-end applicable range. As long as the deviation of the low-end splitting ratio is within the allowable range, the influence on the optical node level and its balance must be within the normal range.