Reciprocal Invisibility Cloak with Having Different Semi-axis

Yanglu Xuan, Xinhe Xu, Yuehong Gan, Zhuguo Li, Haibo Zhong
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Abstract

We propose a different semi-axis structure to study a reciprocal invisibility cloak that combines the coordinate transformation theory and complementary media. This cloak is different from the external cloak that needs “anti-object”, and conformal elliptical cloak that has identical shape between inner and outer boundary. The hidden object inside the cloak realizes the possibility of communicate with the outside world while maintaining a good invisibility performance without “anti-object”. In particular, this design has different semi-axis (the outer and inner boundary has different shape) so that it is more flexible for different shape object. At last, we take full wave simulation to demonstrate the validity of this design.
具有不同半轴的相互隐形斗篷
我们提出了一种不同的半轴结构,将坐标变换理论与互补介质相结合,研究了一种互易隐身斗篷。这种斗篷不同于需要“反物”的外部斗篷,也不同于内外边界形状相同的保形椭圆斗篷。斗篷内部的隐藏物体实现了与外界沟通的可能性,同时保持了良好的隐身性能,没有“反物体”。特别地,这种设计具有不同的半轴(内外边界形状不同),使其对不同形状的物体具有更大的灵活性。最后通过全波仿真验证了该设计的有效性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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