阶跃折射率分布
By appling Volume Current Method to the orthogonal coordinates, the scattering fields and the PERs of two types of TWG are calculated, the index profile of which is sinusoidal and step-index, respectively.
将体电流法应用于直角坐标系,计算了两种TWG结构的散射场及消光比特性,其折射率在纵向剖面上分别为正弦型和阶跃型分布。
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