Long CHEN, Mingzhu XU, Shanhu GAO, Xiumin GAO, Xiangmei DONG, Songlin ZHUANG. Design of broadband metamaterial absorber in the visible and near-infrared region[J]. Optical Instruments, 2023, 45(3): 87
- Optical Instruments
- Vol. 45, Issue 3, 87 (2023)
Fig. 1. S parameter measurements on uniformly media
Fig. 2. Structural diagram of metamaterial absorber
Fig. 3. Simulated absorption spectrum of metamaterial absorber
Fig. 4. The electric and magnetic field distributions on the surface of the titanium nanodisk at the incident of different polarized light at 1 290 nm.
Fig. 5. Absorption spectra of light waves at different incidence angles
Fig. 6. Absorption spectra of metamaterial absorbers with different radii r （10-115 nm）and thicknesses d 1（1-30 nm）
Fig. 7. Absorption spectra of 0° and 90° polarization at different periods T （220-500 nm）and T y （220-500 nm）
Fig. 8. Absorption curves of different polarization angles
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Table 1. comparison of the proposed metamaterial absorber and reported absorbers
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