Terahertz response of a microfabricated rod-split-ring-resonator electromagnetic metamaterial

被引：194

作者：

Moser, HO ^{[1
]}

Casse, BDF ^{[1
]}

Wilhelmi, O ^{[1
]}

Saw, BT ^{[1
]}

机构：

[1] Natl Univ Singapore, Singapore Synchrotron Light Source, Singapore 117603, Singapore

来源：

PHYSICAL REVIEW LETTERS | 2005年 / 94卷 / 06期

关键词：

D O I：

10.1103/PhysRevLett.94.063901

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The first electromagnetic metamaterials (EM3) produced by microfabrication are reported. They are based on the rod-split-ring-resonator design as proposed by Pendry et al. [IEEE Trans. Microwave Theory Tech. 47, 2075 (1999)] and experimentally confirmed by Smith et al. [Phys. Rev. Lett. 84, 4184 (2000)] in the GHz frequency range. Numerical simulation and experimental results from far infrared (FIR) transmission spectroscopy support the conclusion that the microfabricated composite material is EM3 in the range 1-2.7 THz. This extends the frequency range in which EM3 are available by about 3 orders of magnitude well into the FIR, thereby widely opening up opportunities to verify the unusual physical implications on electromagnetic theory as well as to build novel electromagnetic and optical devices.

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