Loop-wire medium for investigating plasmons at microwave frequencies

被引：126

作者：

Smith, DR ^{[1
]}

Vier, DC ^{[1
]}

Padilla, W ^{[1
]}

Nemat-Nasser, SC ^{[1
]}

Schultz, S ^{[1
]}

机构：

[1] Univ Calif San Diego, Dept Phys, La Jolla, CA 92093 USA

来源：

APPLIED PHYSICS LETTERS | 1999年 / 75卷 / 10期

关键词：

D O I：

10.1063/1.124714

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We present numerical simulations and microwave measurements on a loop-wire structure that acts as an effective medium exhibiting a well-defined bulk plasma frequency in the microwave regime, with an effective negative dielectric function below this plasma frequency. The dependence of this plasmonic response on the self-inductance of the constituent wire elements is made explicit. A finite structure, approximately spherical, composed of this inductive medium is studied, and reveals subwavelength surface plasmon resonances below the bulk plasma frequency. (C) 1999 American Institute of Physics. [S0003-6951(99)03936-4].

引用

页码：1425 / 1427

页数：3

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