The proposed device is analyzed using the plane wave expansion method, and its transmission characteristics are calculated using the finite-difference time-domain method.
该器件用平面波扩展法进行了分析，其传输特性用有限时域差分法计算得到。
Two models of 2d photonic crystal of line defects and nonperiodic dielectric rods are established. The finite-difference-time-domain method is developed for the study of bandgap.
构建了介质柱间距变化的变周期结构以及介质柱半径线缺陷两种二维光子晶体模型，并将时域有限差分法用于其能带特性研究。
The problem of light localization in two-dimensional random media with different filling densities of the same material particles is studied by use of the finite difference time domain method.
用时域有限差分法研究了同一材质的颗粒在不同填充密度下的随机介质中光局域化问题。
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