A novel metamaterial absorber based on double magnetic media and mortise structure

Song Yanjun; Lv Cheng; Zhang Jia; Zuo Shaoqi; Wang Qingmin; Gao Zhiwei

doi:10.11884/HPLPB202537.250151

Article Contents

Article Navigation > High Power Laser and Particle Beams > 2025 > Accepted Manuscript

Song Yanjun, Lv Cheng, Zhang Jia, et al. A novel metamaterial absorber based on double magnetic media and mortise structure[J]. High Power Laser and Particle Beams. doi: 10.11884/HPLPB202537.250151

Citation:

Song Yanjun, Lv Cheng, Zhang Jia, et al. A novel metamaterial absorber based on double magnetic media and mortise structure[J]. High Power Laser and Particle Beams. doi: 10.11884/HPLPB202537.250151

Song Yanjun, Lv Cheng, Zhang Jia, et al. A novel metamaterial absorber based on double magnetic media and mortise structure[J]. High Power Laser and Particle Beams. doi: 10.11884/HPLPB202537.250151

Citation:

Song Yanjun, Lv Cheng, Zhang Jia, et al. A novel metamaterial absorber based on double magnetic media and mortise structure[J]. High Power Laser and Particle Beams. doi: 10.11884/HPLPB202537.250151

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A novel metamaterial absorber based on double magnetic media and mortise structure

doi: 10.11884/HPLPB202537.250151

1.
CRRC Tangshan Co., Ltd., tangshan, 064000, China
2.
School of Information Science and Technology, Shijiazhuang Tiedao University, Shijiazhuang, 050043, China

Received Date: 2025-05-23
Accepted Date: 2025-06-29
Rev Recd Date: 2022-08-07

Available Online: 2025-08-13

Abstract

Abstract

Background
In the design process of microwave absorbing structures, due to the larger wavelength of low-frequency electromagnetic waves, the thickness of the corresponding absorbing body will also increase. Therefore, achieving low-frequency broadband absorption in the microwave band with a thin thickness is a challenge.
Purpose
To address the technical bottleneck of limited bandwidth in thin microwave absorbing materials at low frequenciesthis study proposes a new absorbing body design scheme based on a double-layer magnetic medium and mortise structure, focusing on breaking through the constraint relationship between material thickness and absorption bandwidth to achieve efficient absorption of electromagnetic waves in the L/S frequency bands.
Methods
The metamaterial is constructed with a double-layer structure using magnetic material, combined with surface periodically arranged mortise-type metal resonant units, and utilizes the synergistic effect of magnetic loss and structural resonance to enhance electromagnetic energy dissipation.
Results
Simulation results show that within the working frequency band, there are two absorption peaks at f1=1.36 GHz and f2=2.29 GHz, and the absorption rate exceeds 90% in the 1.16-2.82 GHz frequency band, effectively covering the L band and extending to part of the S band. Under thin-layer conditions, it achieves a wideband absorption of 1.66 GHz, resolving the inherent contradiction between thickness and bandwidth of low-frequency absorbing materials.
Conclusions
The novel metamaterial absorber based on double magnetic media and mortise structure can provide a feasible solution for the engineering application of the next-generation thin broadband absorbing bodies.
- L/S band,
- microwave absorbing materials,
- metamaterials,
- magnetic materials

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References(15)

References

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