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November 18, 2021 at 3:16 am
Guilin Sun
Ansys Employee
我不理解你说的问题:根据你前面的说明,结构是正方形晶体结构,一个周期就足够了。
https://support.lumerical.com/hc/en-us/articles/360041566614-Rectangular-Photonic-Crystal-Bandstructure
如果是三角形(六角形),的确需要多个单元,参见
https://support.lumerical.com/hc/en-us/articles/360041566734-Triangular-FCC-BCC-Photonic-Crystal-Bandstructure
所以你需要参考一下。你可能需要理解什么是一个周期,以及周期边界的熟悉含义。
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