Optical design of reflectionless complex media by finite embedded coordinate transformations

被引：412

作者：

Rahm, Marco ^{[1
]}

Cummer, Steven A. ^{[1
]}

Schurig, David ^{[1
]}

Pendry, John B. ^{[2
]}

Smith, David R. ^{[1
,2
]}

机构：

[1] Duke Univ, Ctr Metamat & Integrated Plasmon, Dept Elect & Comp Engn, Durham, NC 27708 USA

[2] Univ London Imperial Coll Sci Technol & Med, Blackett Lab, Dept Phys, London SW7 2AZ, England

来源：

PHYSICAL REVIEW LETTERS | 2008年 / 100卷 / 06期

关键词：

D O I：

10.1103/PhysRevLett.100.063903

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Transformation optics offers an unconventional approach to the control of electromagnetic fields. The transformation optical structures proposed to date, such as electromagnetic "invisibility" cloaks and concentrators, are inherently reflectionless and leave the transmitted wave undisturbed. Here, we expand the class of transformation optical structures by introducing finite, embedded coordinate transformations, which allow the electromagnetic waves to be steered or focused. We apply the method to the design of several devices, including a parallel beam shifter and a beam splitter, both of which are reflectionless and exhibit unusual electromagnetic behavior as confirmed by 2D full-wave simulations.

引用

页数：4

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