Forward coupling phenomena between artificial left-handed transmission lines

被引：114

作者：

Liu, L ^{[1
]}

Caloz, C ^{[1
]}

Chang, CC ^{[1
]}

Itoh, T ^{[1
]}

机构：

[1] Univ Calif Los Angeles, Dept Elect Engn, Los Angeles, CA 90095 USA

来源：

JOURNAL OF APPLIED PHYSICS | 2002年 / 92卷 / 09期

关键词：

D O I：

10.1063/1.1512682

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Coupling phenomena between artificial left-handed (LH) transmission lines are explored on the basis of a transmission line approach of LH materials. A LH forward coupler in the form of an ideal lumped-element ladder network is presented and is shown to exhibit strong forward coupling that increases with decreasing of frequency. A quasi-lumped element microstrip implementation of a LH coupler is proposed. It is demonstrated that this coupler requires a shorter coupling length in comparison with the conventional right-handed coupled-line forward couplers, and hence makes the device much more compact. (C) 2002 American Institute of Physics.

引用

页码：5560 / 5565

页数：6

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