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July 4, 2023 at 1:39 pm
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July 4, 2023 at 2:35 pmGuilin SunAnsys Employee
首先你需要自己推导一下,看看变换矩阵是不是也是频率的函数,如果是就比较麻烦,如果不是,仅对角线元素有色散很好办:
参见
Ansys Insight: 用于设置如何设置光学各向异性材料?
或者这个例子 https://optics.ansys.com/hc/en-us/articles/360034394694-Creating-anisotropic-optical-materials-in-FDTD-and-MODE
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July 6, 2023 at 11:26 amfeng huanSubscriber
非常感谢您的回答 介电常数是随着频率变化的 这个我应该怎么样设置 在FDTD中 是需要自己编程序还是如何添加 介电常数的分量是epsilon_xx, epsilon_yy, epsilon_zz, 都是lortenz的模型 这个该怎么解决。
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July 6, 2023 at 5:22 pmGuilin SunAnsys Employee
按链接的第三种方法,先生成频率频率波长/epsilon_xx, epsilon_yy, epsilon_zz(实部虚部)的文本文件,再输入进来。记住添加Matrix Attribute中的变换矩阵。
参见 https://optics.ansys.com/hc/en-us/articles/360034915093-Creating-new-sampled-data-materials-in-FDTD
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