Two-dimensional Imaging by far-field superlens at visible wavelengths

被引：128

作者：

Xiong, Yi ^{[1
]}

Liu, Zhaowei ^{[1
]}

Sun, Cheng ^{[1
]}

Zhang, Xiang ^{[1
]}

机构：

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

来源：

NANO LETTERS | 2007年 / 7卷 / 11期

关键词：

D O I：

10.1021/nl0716449

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We report that two-dimensional (2D) sub-diffraction-limited images can be theoretically reconstructed by a new metamaterial far-field superlens. The metamaterial far-field superlens, composed of a metal-dielectric multilayer and a one-dimensional (1D) subwavelength grating, can work over a broad range of visible wavelengths intrinsically. The imaging principle and the reconstruction process are described in detail. The 2D sub-diffraction-limited imaging ability enables more applications of the far-field superlens in optical nanoimaging and sensing.

引用

页码：3360 / 3365

页数：6

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