Abstract
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°.
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Funding
This work was supported by the National Natural Science Foundation of China (No.62001384); Natural Science Basic Research Plan in Shaanxi Province of China (No. 2020JQ-605); and the China Postdoctoral Science Foundation (No.2020M683694XB).
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ML, School of Information Science and Technology, Northwest University, Xi’an, CO 710127, China; drafted or revised the manuscript. ML will be available throughout the submission and peer review process to respond to editorial queries in a timely way, and should be available after publication to respond to critiques of the work and cooperate with any requests from the journal for data or additional information should questions about the paper arise after publication. WZ, School of Information Science and Technology, Northwest University, Xi’an, CO 710127, China; Conceived and designed the work that led to the submission, acquired data, and played an important role in interpreting the results.Project administration management and coordination responsibility for the research activity planning and execution.
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Li, M., Zhang, W. Design of a multilayer wideband absorber based on frequency selective surface. Opt Quant Electron 55, 926 (2023). https://doi.org/10.1007/s11082-023-05185-x
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DOI: https://doi.org/10.1007/s11082-023-05185-x