The influence of the optical length, the output couple coefficient of the optical fiber ring cavity upon the STF and the coherence of the loss is also analyzed.
结合光纤环光学长度和耦合输出系数，就损耗对光纤环光谱传递函数和相干性的影响进行了分析讨论。
2
The power attenuation coefficient and the change of the coherence of the laser through the sediment-laden water are obtained in the experiment.