任意形状隐身斗篷和电磁旋转器的研究

以无限长超材料任意形状壳为理论模型,研究超材料这种新型人工复合材料。在变换光学中,空间变换可以被认为是材料的变形,变换空间的介电常数和磁导率张量是材料的变形场得到的。通过数值求解拉普拉斯方程,根据光学变换理论,可以获得超材料的材料参数。利用全波仿真的方法仿真二维任意形状的隐身衣,电磁旋转器和集中器。当斗篷的介电常数和磁导率满足理论值时,隐身衣和电磁旋转器表现出完美的隐身和电磁旋转等特性。

Study of Invisible Cloak and Electromagnetic Rotator for Arbitrarily Shaped Objects

Metamaterial is a new class of artificial functional material.This paper takes a shell of arbitrary shape as theoretical model and studies the special properties of metamaterials.In the optical transform,the space transformation is viewed as deformation of a material.The permittivity and permeability tensors in the transformed space are found to correlate with the deformation field of the material.By solving the Laplace' s equation with proper boundary conditions,according to the optical transform theory,Th...