Design of a multilayer wideband absorber based on frequency selective surface

This paper presents a broadband absorber consisting of three frequency selective surfaces (FSS) layers. The FSS layers consist of four identical rectangles and two circular arcs, a prototype is fabricated, and measurements are performed in an anechoic chamber to validate the proposed design method....

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Bibliographic Details
Published in:Optical and quantum electronics 2023-10, Vol.55 (10), Article 926
Main Authors: Li, Maojun, Zhang, Wei
Format: Article
Language:English
Subjects:
Absorbers
Absorption
Anechoic chambers
Broadband
Characterization and Evaluation of Materials
Computer Communication Networks
Electrical Engineering
Frequency ranges
Frequency selective surfaces
Lasers
Multilayers
Optical Devices
Optics
Photonics
Physics
Physics and Astronomy
Rectangles
Surface chemistry
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Summary:This paper presents a broadband absorber consisting of three frequency selective surfaces (FSS) layers. The FSS layers consist of four identical rectangles and two circular arcs, a prototype is fabricated, and measurements are performed in an anechoic chamber to validate the proposed design method. The consistency of the simulation and measurement results verifies the analysis and design principle. The simulation results show that the absorption of the proposed absorber is greater than 80% in the frequency range of 3.8–11.9 GHz, while the relative absorption bandwidth is 103%. Meanwhile, the absorption of TE and TM waves hardly changes when the incident angle rises to 25°.
ISSN:0306-8919
1572-817X
DOI:10.1007/s11082-023-05185-x