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本文着重从单模光纤、保偏光纤、相干光传输和光波分复用等方而叙述了光纤通信扩容技术。并对影响光纤通信的传输距离和色散问题也作了分析。
This article focuses on single-mode fiber, polarization-maintaining fiber, coherent optical transmission and optical wavelength division multiplexing and other parties described the expansion of optical fiber communication technology. The transmission distance and dispersion affecting the optical fiber communication are also analyzed.