The results show that C, P, N, S doped anatase TiO2 all can cause the absorption band of optical catalysis to red-shift, the absorpotion coefficient in the visible light r.
计算结果表明，C、P、N、S掺杂锐钛矿TiO2都能使TiO2的光催化吸收带在一定程度上红移，并在可见光区有一定的吸收系数。
Two schemes of constructing fiber amplifier used in WDM system for s band were demonstrated: thulium doped fiber amplifier and fiber Raman amplifier.
介绍了用于WDM系统的S -波段光纤放大器的两种实现方案：掺铥光纤放大器和拉曼光纤放大器。
Two schemes of constructing fiber amplifier used in WDM system for s band were demonstrated: thulium doped fiber amplifier and fiber Raman amplifier.
介绍了用于WDM系统的S -波段光纤放大器的两种实现方案：掺铥光纤放大器和拉曼光纤放大器。
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