Further, various techniques for the direct observation of lattice defects are compared and discussed.
对于直接观测晶体缺陷的各种实验技术进行了对比和讨论。
Plane wave expansion techniques and transfer matrix method are used to study the two-dimensional photonic crystal with a triangular lattice of dielectric cylinders in air.
提出了用正、负折射率介质层交替排列构成的一维光子晶体模型，并且用传输矩阵法计算了该模型的透射谱，从理论上分析了其带隙结构。
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