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阐述了考虑传输光纤中存在点缺陷损耗和反射时背向抽运光纤拉曼放大器 (B DFRA)性能的分析方法 ,计算并分析了点缺陷对增益、放大的自发拉曼散射噪声和二次瑞利散射 (DRB)噪声的影响 ,还通过带B DFRA预放器的接收终端等价接收灵敏度讨论了点缺陷作用的综合效果。
The analysis method of the performance of back-pumped fiber Raman amplifier (B DFRA) considering point defect loss and reflection in transmission fiber is expounded. The effects of point defect on gain, amplified spontaneous Raman scattering noise, (DRB) noise, and also discusses the combined effects of point defects through the equivalent receiving sensitivity of the receiving terminal with B DFRA preamplifier.