Wave-shape-keeping media

Hua Ma; Shaobo Qu; Zhuo Xu; Jiafu Wang

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Wave-shape-keeping media

机译：波形保持介质

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By using the coordinate transformation theory, we propose a media that is used to control the propagation of electromagnetic (EM) waves with the front shape and size being kept and thus to guide the wave energy along one certain direction, whatever the wave shape may be. We obtain the general formula of designing such media and present the typical example in the cylindrical EM wave case. Such media have many potential applications such as super waveguides, high direction antennas, wave-shape adapters, and other types of EM devices. The approaches presented in this paper are also applicable to acoustic waves.

机译：通过使用坐标变换理论，我们提出了一种介质，该介质可用于控制电磁波（EM）的传播，并保持其前端形状和大小，从而沿一个特定方向引导波能量，而不管其波形如何。。我们获得了设计此类介质的一般公式，并给出了在圆柱形EM波箱中的典型示例。这样的介质具有许多潜在的应用，例如超级波导，高方向天线，波形适配器和其他类型的EM设备。本文提出的方法也适用于声波。

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《Optics Letters》 |2009年第2期|共3页
作者
Hua Ma; Shaobo Qu; Zhuo Xu; Jiafu Wang;
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正文语种 eng
中图分类光学;
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Wave-shape-keeping media

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