Efficient terahertz slot-line waveguides

被引：13

作者：

Pahlevaninezhad, Hamid ^{[1
]}

Heshmat, Barmak ^{[1
]}

Darcie, Thomas Edward ^{[1
]}

机构：

[1] Univ Victoria, Dept Elect Engn, Victoria, BC V8P 5C2, Canada

来源：

OPTICS EXPRESS | 2011年 / 19卷 / 26期

基金：

加拿大自然科学与工程研究理事会;

关键词：

ELECTROMAGNETIC SHOCK-WAVES; TRANSMISSION-LINES; PROPAGATION;

D O I：

10.1364/OE.19.000B47

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present two solutions to the challenge of radiation loss of slot-lines at terahertz frequencies: using a slot-line in a homogeneous medium, and using a slot-line on a layered substrate. A theoretical analysis of the slot-line in a homogeneous medium as a terahertz transmission line is presented. The absorption coefficient is obtained in terms of the waveguide dimensions using the field distribution of the slot-line. Results show that the slot-line in a homogeneous medium and the slot-line on a layered substrate can be effective transmission lines for terahertz waves with 2 cm(-1) and 3 cm(-1) absorption due to conductor loss. Full-wave numerical simulations using the Finite Element Method (FEM) are applied to validate the theory. (C) 2011 Optical Society of America

引用

页码：47 / 55

页数：9

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