Design and Experiment of Wideband Filters Based on Double-Layered Square-Loop Arrays in the F-Band

被引:2
|
作者
Yang, Jun [1 ]
Yang, Yang [1 ]
Wang, Peng [1 ]
Deng, Guangsheng [1 ]
Cai, Fei [1 ]
Lu, Hongbo [1 ,2 ]
Yin, Zhiping [1 ]
机构
[1] Hefei Univ Technol, Acad Photoelect Technol, Natl Key Lab Adv Display Technol, Hefei 230009, Anhui, Peoples R China
[2] Hefei Univ Technol, Sch Chem & Chem Engn, Key Lab Adv Funct Mat & Devices Anhui Prov, Hefei 230009, Anhui, Peoples R China
来源
APPLIED SCIENCES-BASEL | 2018年 / 8卷 / 09期
基金
中国国家自然科学基金;
关键词
metamaterial; wideband filter; MDM structure; surface waves; square-loop arrays; METAMATERIALS; INDEX;
D O I
10.3390/app8091669
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
We present a wideband metamaterial (MM) filter based on a metal-dielectric-metal (MDM) structure. The proposed structure consists of a quartz dielectric substrate and two metallic square-loop arrays, which were deposited on both surfaces of the substrate. The performance of the proposed design was numerically simulated by considering the angle of incidence. The surface current and electric field distributions were calculated for the two resonant frequencies to examine the intrinsic mechanism of the proposed filter. The transmittance of the structure for various oblique angles of incidence was also analyzed. It is generally challenging to completely align the two metallic layers due to limitations in the manufacturing process. Hence, the influence of periodic misalignment on wave propagation was studied. Furthermore, a prototype of the proposed structure was fabricated and the transmission spectra were measured. Simulation and experimental results reveal that our proposed filter can achieve wideband transmission in the F-band. This work is valuable for the design of broadband filters in millimeter and terahertz waves.
引用
收藏
页数:8
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