Haibin Wang, Lei Gong, Jie Yu, Zhiqiang Yang, Lihong Yang, Liguo Wang. Bandpass Characteristics of Broadband Frequency Selective Surface of Resonant Coupling Abnormal Crescent Half Ring[J]. Laser & Optoelectronics Progress, 2022, 59(7): 0726002
- Laser & Optoelectronics Progress
- Vol. 59, Issue 7, 0726002 (2022)
Fig. 1. Calculation results of the FEM
Fig. 2. Stucture schematic diagram of the FSS unit
Fig. 3. Influence of incident angle on the S parameter in FSS
Fig. 4. Distribution diagram of electric field intensity at different frequencies. (a) f =9 THz; (b) f =9.2 THz
Fig. 5. Schematic diagram of the structure of crescent-shaped FSS. (a) Crescent-shaped periodic structure; (b) crescent unit structure
Fig. 6. Transmittance and reflectivity of crescent-shaped structure FSS. (a) Incident angle is 0°; (b) incident angle is 30°
Fig. 7. Structure of the FSS. (a) Upper and lower surface unit; (b) intermediate layer unit; (c) side view
Fig. 8. Influence of incident angle and polarization mode on the transmission characteristics of FSS. (a) Transmission coefficient curve of FSS under different incident angles; (b) transmission coefficient curve of FSS under different polarization modes
Fig. 9. Influence of media properties on FSS transmission characteristics. (a) Transmission coefficient curves of media with different thickness; (b) transmission coefficient curves of different substrates
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Table 1. Structural parameters after optimization
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