Xiaowei Jiang, Hua Wu. Dual-Channel Narrow Bandwidth Metamaterial Absorber[J]. Acta Optica Sinica, 2021, 41(14): 1416002
- Acta Optica Sinica
- Vol. 41, Issue 14, 1416002 (2021)
Fig. 1. Structure of dual-channel narrow bandwidth MA
Fig. 2. Absorption efficiency of dual-channel narrow bandwidth MA
Fig. 3. Effective impedance of MA. (a) Real part; (b) imaginary part
Fig. 4. Distributions of electric and magnetic fields in dual-channel narrow bandwidth MA. (a)(c) Electric and magnetic field distributions of MA at wavelength λ1=1.1005 μm; (b)(d) electric field and magnetic distributions of MA at wavelength λ2=1.19024 μm
Fig. 5. Effect of P on absorption characteristics of dual-channel narrow bandwidth MA. (a) Absorption spectra; (b) absorption wavelength
Fig. 6. Effect of n on absorption characteristics of dual-channel narrow bandwidth MA. (a) Absorption spectra; (b) absorption wavelength
Fig. 7. Effect of d on absorption characteristics of dual-channel narrow bandwidth MA. (a) Absorption spectra; (b) absorption wavelength
Fig. 8. Effect of d on neff
Fig. 9. Magnetic field distributions of MA at λ2 under different d values. (a) d=0.2 μm; (b) d=0.1 μm; (c) d=0.05 μm
Fig. 10. Magnetic field distributions of MA at λ1 under different d values. (a) d=0.2 μm; (b) d=0.1 μm; (c) d=0.05 μm
Fig. 11. Effect of t on absorption characteristics of dual-channel narrow bandwidth MA. (a) Absorption spectra; (b) absorption wavelength
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