Dual-band frequency selective surface with large band separation and stable performance |
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Authors: | Zhou Hang Qu Shao-Bo Peng Wei-Dong Lin Bao-Qin Wang Jia-Fu Ma Hua Zhang Jie-Qiu Bai Peng Wang Xu-Hua Xu Zhuo |
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Affiliation: | a. College of Science, Air Force Engineering University, Xi'an 710051, China;b. Synthetic Electronic Information System Research Department, Air Force Engineering University, Xi'an 710051, China;c. Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education, Xi'an Jiaotong University, Xi'an 710049, China |
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Abstract: | 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. |
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Keywords: | dual-band frequency selective surface Faraday cage |
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