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February 23, 2024 at 7:51 am2202283139Subscriber
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February 23, 2024 at 6:00 pmGuilin SunAnsys Employee
周期结构,平面波加周期边界条件仿真是正确的。因为假设是无限周期,光栅分析远场没有角宽度,也就是只有孤立的衍射角。
传统教科书中的结果实际是有限周期,孔径衍射的结果,你可以查看多缝衍射。可以用傅里叶光学梳妆函数等来分析。
此时应该用光栅分析,参见
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