It has several advantages such as high diffraction efficiency, simple optical setup and convenient operation.
这种光栅具有较高的光谱分辨本领和衍射效率，而且光路简单，调节方便。
By the method of computational holography. the article has propose a technique for blazed holographic lenses with high diffraction efficiency.
用计算全息技术设计制作高衍射效率的正弦闪耀全息透镜。
Compared with other similar optical switches, it has the advantages of short switching time, high diffraction efficiency and low operating voltage.
与同类光开关相比，这种开关具有开关时间短、衍射效率高和工作电压低的优点。
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