The on - off of the first diffraction order of the grating is 87:1. The sample shows good switch ability.
制得的光栅其第一衍射级次的开关比为87：1，显示了较好的开关能力。
Summarize the focal property and aberration correcting ability of VLS plane grating.
对平面变栅距光栅的聚焦特性和像差校正原理进行了较全面的综述。
The two-step Talbot grating is fabricated and tested. Experimental results show that the Talbot grating indeed has the good ability of spatial color separation.
研制并实验测试了两台阶泰伯光栅，实验结果表明泰伯光栅具有良好的空域色分离能力。
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