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将色散特性不同的几段单模光纤组合起来,能减小在某一给定波长上的总色散。利用这一方法可以扩大受色散限制的高比特率系统的线路长度。
Combining several single-mode fibers with different dispersion characteristics reduces the total dispersion at a given wavelength. With this approach, the line length of high-bit-rate systems limited by dispersion can be expanded.