Second-order bandpass terahertz filter achieved by multilayer complementary metamaterial structures

被引：108
|
作者：
Lu, Mingzhi [1 ]
Li, Wenzao [1 ]
Brown, Elliott R. [1 ]
机构：
[1] Univ Calif Santa Barbara, Dept Elect & Comp Engn, Santa Barbara, CA 93106 USA
来源：
OPTICS LETTERS | 2011年 / 36卷 / 07期
关键词：
D O I：
10.1364/OL.36.001071
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We propose a multilayer complementary metamaterial structure fabricated on a crystal quartz substrate measuring between 100 and 700 GHz. The concept of a second-order terahertz bandpass filter is realized by this structure, and it offers a superior quality factor, steepness of skirts, and out-of-band rejection. Physical limitations on the quality factor and insertion loss have also been studied, including the skin depth of the metal and the optical phonon resonance in quartz. Based on these factors, a series of higher frequency filters has been designed, and simulation results are presented. (C) 2011 Optical Society of America
引用
收藏
页码：1071 / 1073
页数：3
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