Ligang TAN, Meiting WEI, Jie LI, Mingwei LUO. Design and simulation of 0.2 μm~20 μm ultra-wide spectrum metamaterial absorption structure[J]. Journal of Applied Optics, 2024, 45(5): 903

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- Journal of Applied Optics
- Vol. 45, Issue 5, 903 (2024)

Fig. 1. Diagram of 5 separate layers structure

Fig. 2. Schematic diagram of equivalent resonance circuit

Fig. 3. Optimal design flow of 5 separate layers structure by genetic algorithm

Fig. 4. 0.2 μm~20 μm ultra-wide spectrum metamaterial absorption structure

Fig. 5. Reflection loss and absorption efficiency of each frequency in the first partition

Fig. 6. Reflection loss and absorption efficiency of each frequency in the second partition

Fig. 7. Reflection loss and absorption efficiency of each frequency in the third partition

Fig. 8. Total absorption efficiency curve of ultra-wide spectrum metamaterial absorption structure in wavelength range of 0.2 μm~20 μm

Fig. 9. Absorption property simulation of partition 1 using optimal structure parameters

Fig. 10. Absorption property simulation of partition 2 using optimal structure parameters

Fig. 11. Absorption property simulation of partition 3 using optimal structure parameters

Fig. 12. Lorentz fit curve for polishing absorption cycle indent of partition 1

Fig. 13. Absorption efficiency simulation of five separation layers in partition 1 at different incident angles

Fig. 14. Absorption efficiency simulation of five separation layers in partition 2 at different incident angles

Fig. 15. Absorption efficiency simulation of five separation layers in partition 3 at different incident angles

Fig. 16. Total absorption efficiency curves of ultra-wide spectrum metamaterial absorption structure in range of 0.2 μm~20 μm at different angles
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Table 1. Parameters of 3 scales 5 separate layers structure
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Table 2. Reflection loss and absorption efficiency at typical frequencies
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Table 3. Optimal parameters of equivalent resonant circuit
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Table 4. Absorption efficiency of five separation layers structure at different incident angles

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