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Guilin Sun
Ansys Employee

曲律半徑兩公分就是2cm对吧,应该不是问题,问题是结构的几何尺寸是多大?

如果占内存很多,你可能要用varFDTD 近似仿真一下。这是一个优化的例子供参考

https://optics.ansys.com/hc/en-us/articles/360042800573-Inverse-Design-of-Grating-Coupler-2D-