在一些实施例中，光数据信号和拉曼光泵浦信号中的至少一个的功率被降低到安全标准的光功率级。
In some embodiments, the power of at least one of the optical data signals and the Raman optical pumping signal is reduced to an eye-safe optical power level.
此外，其它光信号，例如OSC信号和反向散射光信号，可同样具有非常大的光功率级。
Furthermore, other optical signals, such as OSC signals and back-scattered optical signals, can also have significant optical power levels.
拉曼光泵浦信号可以超过1M级界限，实际上，可以具有比光数据信号明显高的光功率。
The Raman optical pumping signal can exceed Class 1 M limits and, in fact, can have a much higher optical power than the optical data signal.
在许多光通信系统中，拉曼光泵浦信号超过1 M级界限并具有比光数据信号明显高的功率级。
In many optical communications systems, the Raman optical pumping signals exceed Class I m limits and have significantly higher power levels than the optical data signal.
在许多光通信系统中，拉曼光泵浦信号超过1 M级界限并具有比光数据信号明显高的功率级。
In many optical communications systems, the Raman optical pumping signals exceed Class I m limits and have significantly higher power levels than the optical data signal.
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