LOW-FREQUENCY MINIATURIZED DUAL-BAND FREQUENCY SELECTIVE SURFACES WITH CLOSE BAND SPACING

被引：42
|
作者：
Xu, Rong-Rong [1 ]
Zong, Zhi-Yuan [1 ]
Wu, Wen [1 ]
机构：
[1] Nanjing Univ Sci & Technol, Ministerial Key Lab, JGMT, Nanjing 210094, Jiangsu, Peoples R China
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2009年 / 51卷 / 05期
关键词：
frequency selective surface (FSS); dual-band; capacitive loading; spatial filter; ELEMENTS;
D O I：
10.1002/mop.24338
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：
In this article, a novel miniaturized dual-band frequency selective surface (FSS) with close band spacing is presented, in which each periodic cell consists of double square loops with different capacitive loadings. The dimension of the unit cell is miniaturized by loading with ceramic chip capacitors. To eliminate the undesired coupling between unit cells, the unit cells (ire placed in the substrate integrated waveguide cavity structure. As a result. a dual-band FSS with close band spacing is designed, both simulated and measured results show that the dual-band FSS operates over DCS1800 (1.8 GHZ) and Bluetooth (2.45 GHZ)frequency range. And the FSS dimension is miniaturized to 0.114 lambda (lambda refers to the resonant wavelength of 1.8 GHz). Furthermore, it has very good stability to oblique incidence waves for both TE and TM polarization. (C) 2009 Wiley Periodicals, Inc. Microwave Opt Technol Lett 51: 1238-1240, 2009; Published online in Wiley InterScience (www.interscience.wiley.com). DOT 10.1002/mop.24338
引用
收藏
页码：1238 / 1240
页数：3
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