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Dual-band frequency selective surface with large band separation and stable performance

A new technique of designing a dual-band frequency selective surface with large band separation is presented.This technique is based on a delicately designed topology of L-and Ku-band microwave filters.The two band-pass responses are generated by a capacitively-loaded square-loop frequency selective...

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Bibliographic Details
Published in:Chinese physics B 2012-05, Vol.21 (5), p.199-202
Main Author: 周航 屈绍波 彭卫东 林宝勤 王甲富 马华 张介秋 柏鹏 王徐华 徐卓
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Language:English
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Summary:A new technique of designing a dual-band frequency selective surface with large band separation is presented.This technique is based on a delicately designed topology of L-and Ku-band microwave filters.The two band-pass responses are generated by a capacitively-loaded square-loop frequency selective surface and an aperture-coupled frequency selective surface,respectively.A Faraday cage is located between the two frequency selective surface structures to eliminate undesired couplings.Based on this technique,a dual-band frequency selective surface with large band separation is designed,which possesses large band separation,high selectivity,and stable performance under various incident angles and different polarizations.
ISSN:1674-1056
2058-3834
1741-4199
DOI:10.1088/1674-1056/21/5/054101