Ray Optics at a Deep-Subwavelength Scale: A Transformation Optics Approach

被引：69

作者：

Han, Seunghoon ^{[1
]}

Xiong, Yi ^{[1
]}

Genov, Dentcho ^{[1
]}

Liu, Zhaowei ^{[1
]}

Bartal, Guy ^{[1
]}

Zhang, Xiang ^{[1
,2
]}

机构：

[1] Univ Calif Berkeley, NSF Nanoscale Sci & Engn Ctr NSEC, Berkeley, CA 94720 USA

[2] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA

来源：

NANO LETTERS | 2008年 / 8卷 / 12期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1021/nl801942x

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We present a transformation optics approach for molding the light flow at the deep-subwavelength scale, using metamaterials with uniquely designed dispersion. By conformal transformation of the electromagnetic space, we develop a methodology for realizing subwavelength ray optics with curved ray trajectories. This enables deep-subwavelength-scale beams to flow through two- or three-dimensional spaces.

引用

页码：4243 / 4247

页数：5

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