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介绍了应用于掺铒光纤光源的几种滤波器的研究状况,阐述了它们的优缺点,简述了长周期光纤光栅滤波器的 设计过程。指出现阶段使用均匀长周期光纤光栅作为掺铒光纤光源滤波器是比较理想的选择。
The research status of several kinds of filters applied to erbium - doped fiber light sources is introduced, their advantages and disadvantages are described, and the design process of long - period fiber grating filters is described briefly. It is an ideal choice to use uniform long-period fiber gratings as erbium-doped fiber light source filters at this stage.