FRACTAL-LIKE SQUARE LATTICES OF AIR HOLES

被引：4

作者：

Hattori, H. T. ^{[1
]}

机构：

[1] Australian Natl Univ, Res Sch Phys Sci & Engn, Dept Elect Mat Engn, Canberra, ACT 0200, Australia

来源：

PROGRESS IN ELECTROMAGNETICS RESEARCH LETTERS | 2008年 / 4卷

基金：

澳大利亚研究理事会;

关键词：

D O I：

10.2528/PIERL08040705

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Fractal structures have been widely used in many fields of science, such as biology, physics and chemistry. In this article, we analyze the basic properties of a fractal-like square lattice of air holes, with most of the holes having a lattice constant of. while others are repeated with a lattice constant of 2 Lambda. We change the radii of these holes and analyze their effects on the bandgap regions and transmission properties. The analysis conducted here is based upon band diagrams and 2D Finite difference time-domain (FDTD) solution of the full-wave Maxwell's equations. We show that this structure provides flexibility in tuning the bandgap of the photonic crystal structure and we show the appearance of mini-bandgap regions along certain directions.

引用

页码：9 / 16

页数：8

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