光纤通信原理_第七章 光 放 大 器

光纤通信顶用光纤来传输光信号。光纤的中继间隔受限于光纤的损耗和色散。就损耗而言，如今光纤损耗典型值在1.31μm波段为0.35dB/km左右，在1.55μm波段为0.25dB/km左右。

(Optical fiber communication uses optical fibers to transmit optical signals. The relay spacing of the fiber is limited by the loss and dispersion of the fiber. In terms of loss, today's typical fiber loss is around 0.35dB/km in the 1.31μm band and around 0.25dB/km in the 1.55μm band.)

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