• High Power Laser and Particle Beams
  • Vol. 36, Issue 6, 063001 (2024)
Xi Li1, Dongjun Wang2, Yuan Zhang2,3, Xiang Zhao1, and Liping Yan1,*
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 show less
    Unit cell structure of the proposed FSS absorber
    Fig. 1. Unit cell structure of the proposed FSS absorber
    Design evolution of the FSS structure
    Fig. 2. Design evolution of the FSS structure
    Comparison of performance for FSS 1, FSS 2 and FSS 3 structures
    Fig. 3. Comparison of performance for FSS 1, FSS 2 and FSS 3 structures
    Comparison between the performance of FSS 3, FSS 4 and FSS 5 structures
    Fig. 4. Comparison between the performance of FSS 3, FSS 4 and FSS 5 structures
    Equivalent circuit model and comparison to full wave simulation
    Fig. 5. Equivalent circuit model and comparison to full wave simulation
    Full-wave simulated results under normal incidence
    Fig. 6. Full-wave simulated results under normal incidence
    Angular stability of the absorber for different polarization
    Fig. 7. Angular stability of the absorber for different polarization
    Experimental system and the proposed prototypes
    Fig. 8. Experimental system and the proposed prototypes
    Comparison of absorption between measurement and simulation
    Fig. 9. Comparison of absorption between measurement and simulation
    referencebandwidth/GHzabsorber thickness/λLnumber of lumped resistors in the unit cellstructure of unit cell
    [10]2.24~11.4(134.3%)0.075162 FSS lossy layers
    [13]6.7~20.58(101.7%)0.0678single FSS layer, multiple resonant
    [14]2.68~12.19(127.9%)0.088single FSS layer, multiple resonant
    [15]1.5~12.31(156.6%)0.11343D structure
    [19]5.8~22.2(117.1%)0.15516single FSS layer, dielectric compensation layer
    [20]3.58~12.1 (108.67%)0.0774single FSS layer, single resonant
    proposed absorber6.0~26.77(126.8%)0.0864single 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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