Conformal cloak for waves

被引：49

作者：

Chen, Huanyang ^{[1
]}

Leonhardt, Ulf ^{[2
]}

Tyc, Tomas ^{[3
,4
]}

机构：

[1] Soochow Univ, Sch Phys Sci & Technol, Suzhou 215006, Jiangsu, Peoples R China

[2] Univ St Andrews, Sch Phys & Astron, St Andrews KY16 9SS, Fife, Scotland

[3] Masaryk Univ, Fac Sci, CZ-61137 Brno, Czech Republic

[4] Masaryk Univ, Fac Informat, CZ-61137 Brno, Czech Republic

来源：

PHYSICAL REVIEW A | 2011年 / 83卷 / 05期

基金：

中国国家自然科学基金;

关键词：

INVISIBILITY;

D O I：

10.1103/PhysRevA.83.055801

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Conformal invisibility devices are only supposed to work within the valid range of geometrical optics. Here, we show by numerical simulations and analytical arguments that for certain quantized frequencies, they are nearly perfect even in a regime that clearly violates geometrical optics. The quantization condition follows from the analogy between the Helmholtz equation and the stationary Schrodinger equation.

引用

页数：4

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