Circular dichroism of planar chiral magnetic metamaterials

被引：445

作者：

Decker, M.

Klein, M. W.

Wegener, M.

Linden, S.

机构：

[1] Univ Karlsruhe TH, Inst Angew Phys, D-76131 Karlsruhe, Germany

[2] Univ Karlsruhe TH, DFG Ctr Funct Nanostruct CFN, D-76131 Karlsruhe, Germany

[3] Forschungszentrum Karlsruhe, Inst Nanotechnol, D-76021 Karlsruhe, Germany

来源：

OPTICS LETTERS | 2007年 / 32卷 / 07期

关键词：

D O I：

10.1364/OL.32.000856

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We propose, fabricate, and study a double-layer chiral planar metamaterial that exhibits pronounced circular dichroism at near-infrared wavelengths. The antisymmetric oscillation modes of the two coupled layers allow local magnetic-dipole moments and enhanced polarization effects compared with similar single-layer systems where only electric-dipole moments occur. Experiment and rigorous theoretical calculations are in good agreement. (c) 2007 Optical Society of America.

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页码：856 / 858

页数：3

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