The electroluminescent (EL) spectrum consists of sharp emission lines from Tb 3+ ions, and a lum.
对于以上的两种器件均获得了来自Tb3+ 的窄峰发射 ,在直流电压 15 4V驱动下 ,器件发光亮度达 2 10cd·m- 2 。
Using vector diffraction theory inquires into the possibility of manufacturing filters with narrow bandwidth and high reflectivity by means of MSMF.
用矢量衍射理论，从理论上探讨了ＭＳＭＦ制作窄带高反射滤波器的可靠性。
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