光分路器的附加损耗和插入损耗.doc

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1、光分路器的附加损耗和插入损耗分路数2345678910111216分光比（%）5033.33252016.6714.2912.511.11109.098.336.25附加损耗（dB）0.20.30.40.450.50.550.60.70.80.91.01.2分光损耗（dB）3.014.776.026.997.788.459.039.541010.4110.7912.04插入损耗（dB）3.215.076.427.448.2899.6310.2410.811.3111.7913.24光链路损耗计算公式1.分光损耗=-10lgK2.插入损耗=-10lgK+附加损

2、耗3.1310nm损耗0.4dB/Km1550nm损耗0.25dB/Km活动接头损耗0.5dB4.A(dB)=10lgP(mW)P(mW)=5.A（dB）=aL-10lgK+附加损耗+活动接头损耗