Fibre optic interconnecting devices and passive components—Basic test and measurement procedures—Part 3-31:Examinations and measurements—Coupled power ratio measurement for fibre optic sources
IDT IEC 61300-3-31:2003
中国电子技术标准化研究所(CESI)
本部分规定了测量耦合功率比（CPR）系数的方法。按GB/T 18311.4—2003测量多模光纤衰减和插入损耗时，CPR用于表征光源特性和使注入条件标准化。
可以在850 nm和1 300 nm波长下测量CPR系数。
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