It has also been shown that this deviation is more than just addition of linear loss coefficient especially when long haul fiber optic systems with inline amplifiers are considered.

同时也显示出，该结果的背离不仅仅是线性损耗系数的简单叠加，特别是在长久光纤系统中存在同轴信号放大器的情况下。

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Companies that make the guts of fiber-optic systems: lasers, filters, amplifiers and multiplexers.

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