论文标题
修改了Marchenko方法，可从表面的反射测量中检索分层超材料内的波场
A modified Marchenko method to retrieve the wave field inside a layered metamaterial from reflection measurements at the surface
论文作者
论文摘要
使用Marchenko方法，可以从介质内部的波场在表面的反射响应中检索波场。迄今为止，该方法主要应用于自然发生的材料。在本文中，我们扩展了Marchenko方法，用于在低频极限的超材料中的应用中应用。我们用一个数值示例说明了该方法，该方法表明该方法适合垂直传播平面波和用小水平缓慢浸入平面波。该提出的方法具有潜在的应用，例如在对分层材料的非破坏性测试中。
With the Marchenko method it is possible to retrieve the wave field inside a medium from its reflection response at the surface. To date, this method has predominantly been applied to naturally occurring materials. In this paper we extend the Marchenko method for applications in metamaterials with, in the low-frequency limit, effective negative constitutive parameters. We illustrate the method with a numerical example, which shows that the method works well for vertically propagating plane waves and for dipping plane waves with small horizontal slownesses. The proposed method has potential applications for example in non-destructive testing of layered materials.
