Design of a frequency selective rasorber with fast roll‐off and wide absorption/transmission band | Zendy

Jia Yuxin | Zendy; Ma Chang | Zendy; Zhai HuiQing | Zendy; Liu ChangYuan | Zendy

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Design of a frequency selective rasorber with fast roll‐off and wide absorption/transmission band

Author(s) -

Jia Yuxin,

Ma Chang,

Zhai HuiQing,

Liu ChangYuan

Publication year - 2021

Publication title -

international journal of rf and microwave computer‐aided engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.335

H-Index - 39

eISSN - 1099-047X

pISSN - 1096-4290

DOI - 10.1002/mmce.22785

Subject(s) - materials science , optics , band pass filter , equivalent circuit , absorption (acoustics) , frequency band , selective surface , lossy compression , optoelectronics , transmission (telecommunications) , rlc circuit , reflection (computer programming) , multi band device , transmission line , tunable metamaterials , passband , metamaterial , electrical engineering , bandwidth (computing) , telecommunications , computer science , physics , engineering , voltage , programming language , artificial intelligence , antenna (radio) , capacitor

A frequency selective rasorber (FSR) with fast roll‐off and wide absorption/transmission band is introduced in this article, working as a band‐pass filter from 1.7 to 3.1 GHz, while working as an absorber from 5.72 to 17 GHz. The proposed FSR is designed by the lossy layer at the top and the band‐pass frequency selective surface (FSS) at the bottom. The lossy layer is constructed by two parts including a square loop and a series RLC structures to provide a wide absorption band. The band‐pass FSS is a three‐tier structure including two patch layers and one meander line layer in the middle. This multilayer FSS is used to generate a transmission window in S band and a wide reflection band in the high frequency. The working mechanism of the FSR is explained by the equivalent circuit model. Finally, the fabricated prototype and the measurement results are presented to verify the design of the FSR.

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