Yao Zhou, Jun Sun, Yi Peng, Lei Sun, Shuhao Dai. Design of Wide-Angle, High-Absorption Metamaterial Absorber Based on Improved Particle Swarm Optimization Algorithm[J]. Laser & Optoelectronics Progress, 2022, 59(11): 1123002
- Laser & Optoelectronics Progress
- Vol. 59, Issue 11, 1123002 (2022)
Fig. 1. Structure of the absorber. (a) Side view; (b) model of the absorber; (c) coding structure diagram
Fig. 2. Flow chart of the EWBPSO algorithm
Fig. 3. Design framework of our algorithm
Fig. 4. Design flow chart of our algorithm
Fig. 5. Optimized metal structure of the absorber surface
Fig. 6. Absorption of the metamaterial absorber
Fig. 7. Absorption curves under different angles of oblique incidence. (a) TE polarization waves; (b) TM polarization waves
Fig. 8. Equivalent input impedance of the metamaterial absorber
Fig. 9. Electromagnetic parameters of the metamaterial absorber. (a) Equivalent conductivity (b) equivalent permeability
Fig. 10. Convergence curves of different algorithms
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Table 1. Absorbing performance of different metamaterial absorbers
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