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Chin. Phys. B, 2012, Vol. 21(4): 047304    DOI: 10.1088/1674-1056/21/4/047304
CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES Prev   Next  

The effect of a non-aligned unit on double-screen frequency-selective surface transmission characteristics

Wang Jian-Bo(汪剑波), Lu Jun(卢俊), Sun Guan-Cheng(孙贯成), Chen Xin-Yi(陈新邑), and Chen Gui-Bo(陈桂波)
School of Science, Changchun University of Science and technology, Changchun 130022, China
Abstract  Double-screen frequency-selective surfaces (FSSs) can bring about a better flattened effect and a rapidly declining edge. They are therefore an effective means to achieve outer-zone stealth of the radar cabin to detect radar waves. In this article, a double-screen wide-bandpass FSS structure is designed and the transmission characteristics of the units under alignment and non-alignment are simulated by means of the spectral domain approach. Meanwhile, the experimental parts fabricated by vacuum evaporation and lithography are tested in a microwave chamber. The results show that the aligned unit structure has good incident angle stability and can achieve high transmittance when the bandwidth is 3.3 GHz, and the transmission loss is less than -1 dB. When the units have a non-aligned structure, the bandwidth decreases and transmission loss increases with increasing incident angle.
Keywords:  frequency-selective surface      spectral domain approach      bandwidth  
Received:  05 May 2011      Revised:  18 November 2011      Accepted manuscript online: 
PACS:  73.61.-r (Electrical properties of specific thin films)  
  73.90.+f (Other topics in electronic structure and electrical properties of surfaces, interfaces, thin films, and low-dimensional structures)  
Fund: Project supported by the Doctoral Fund of the Ministry of Education of China (Grant No. 20092216120005) and the National Natural Science Foundation of China (Grant No. 41004042).
Corresponding Authors:  Lu Jun,Junlucc@126.com     E-mail:  Junlucc@126.com

Cite this article: 

Wang Jian-Bo(汪剑波), Lu Jun(卢俊), Sun Guan-Cheng(孙贯成), Chen Xin-Yi(陈新邑), and Chen Gui-Bo(陈桂波) The effect of a non-aligned unit on double-screen frequency-selective surface transmission characteristics 2012 Chin. Phys. B 21 047304

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