Sierpinski fractal plasmonic antenna: a fractal abstraction of the plasmonic bowtie antenna

被引：66

作者：

Sederberg, Shawn ^{[1
]}

Elezzabi, A. Y. ^{[1
]}

机构：

[1] Univ Alberta, Dept Elect & Comp Engn, Edmonton, AB T6G 2V4, Canada

来源：

OPTICS EXPRESS | 2011年 / 19卷 / 11期

基金：

加拿大自然科学与工程研究理事会;

关键词：

NANOANTENNAS; TRANSMISSION; NANOCIRCUIT;

D O I：

10.1364/OE.19.010456

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A new class of bowtie antennas with Sierpinski fractal features is proposed for sensing molecular vibration modes in the near- to mid-infrared. These antennas offer a compact device footprint and an enhanced confinement factor compared to a bowtie antenna. Through extensive simulations, it is shown that these characteristics are related to the ability of this fractal geometry to become polarized. Simulation results demonstrate that these antennas may be tuned between 700nm <= lambda <= 3.4 mu m and that electric field enhancement by 56 is possible at the center of the antenna gap. (C) 2011 Optical Society of America

引用

页码：10456 / 10461

页数：6

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