Design of an ultra-wideband thin frequency selective surface absorber

Xi Li; Dongjun Wang; Yuan Zhang; Xiang Zhao; Liping Yan

doi:10.11884/HPLPB202436.230443

Journals >High Power Laser and Particle Beams >Volume 36 >Issue 6 >Page 063001 > Article

High Power Laser and Particle Beams
Vol. 36, Issue 6, 063001 (2024)

Design of an ultra-wideband thin frequency selective surface absorber

Xi Li¹, Dongjun Wang², Yuan Zhang^2,3, Xiang Zhao¹, and Liping Yan^1,*

Author Affiliations

¹College of Electronic and Information Engineering, Sichuan University, Chengdu 610065, China

²Chengdu Aircraft Industry (Group) Company Limited, Chengdu 610073, China

³School of Electronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China

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DOI: 10.11884/HPLPB202436.230443 Cite this Article

Xi Li, Dongjun Wang, Yuan Zhang, Xiang Zhao, Liping Yan. Design of an ultra-wideband thin frequency selective surface absorber[J]. High Power Laser and Particle Beams, 2024, 36(6): 063001 Copy Citation Text

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Fig. 1. Unit cell structure of the proposed FSS absorber

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Fig. 2. Design evolution of the FSS structure

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Fig. 3. Comparison of performance for FSS 1, FSS 2 and FSS 3 structures

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Fig. 4. Comparison between the performance of FSS 3, FSS 4 and FSS 5 structures

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Fig. 5. Equivalent circuit model and comparison to full wave simulation

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Fig. 6. Full-wave simulated results under normal incidence

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Fig. 7. Angular stability of the absorber for different polarization

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Fig. 8. Experimental system and the proposed prototypes

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Fig. 9. Comparison of absorption between measurement and simulation

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reference	bandwidth/GHz	absorber thickness/λ_L	number of lumped resistors in the unit cell	structure of unit cell
[10]	2.24～11.4(134.3%)	0.075	16	2 FSS lossy layers
[13]	6.7～20.58(101.7%)	0.067	8	single FSS layer, multiple resonant
[14]	2.68～12.19(127.9%)	0.08	8	single FSS layer, multiple resonant
[15]	1.5～12.31(156.6%)	0.113	4	3D structure
[19]	5.8～22.2(117.1%)	0.155	16	single FSS layer, dielectric compensation layer
[20]	3.58～12.1 (108.67%)	0.077	4	single FSS layer, single resonant
proposed absorber	6.0～26.77(126.8%)	0.086	4	single FSS layer, single resonant

Table 1. Comparison between the proposed and reported FSS absorbers loaded with lumped resistors

Xi Li, Dongjun Wang, Yuan Zhang, Xiang Zhao, Liping Yan. Design of an ultra-wideband thin frequency selective surface absorber[J]. High Power Laser and Particle Beams, 2024, 36(6): 063001

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