Meanwhile the absorption and fluorescence spectrums and gain characteristic of the double-claddingplasticopticalfiber amplifier (DC POFA) that we had made were tested.
实验测试了所制作出的双包层塑料光纤放大器(DC POFA)的吸收谱、荧光谱和增益特性。
2
The covering material that encases the core of an opticalfiber. the cladding material usually has a lower index of refraction than the core material and may be either glass or plastic.