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Ansys Learning Forum Forums Discuss Simulation Photonics – Chinese 由时空间场分布获取动量空间场分布 Reply To: 由时空间场分布获取动量空间场分布

Guilin Sun
Ansys Employee

你当然需要先了解实空间与动量空间之间的联系,有没有函数表示?还是从实空间转换为K矢量空间?如果是k空间频率,只需要通过傅里叶变换即可,参见

Equi-frequency contours of photonic crystal