Song Zhao, Yuxuan Liu, Heng Zhang, Yali Zhao, Xufeng Li. Study of optical solar mirrors based on metamaterials[J]. Opto-Electronic Engineering, 2024, 51(11): 240186-1
- Opto-Electronic Engineering
- Vol. 51, Issue 11, 240186-1 (2024)
Fig. 1. Structure of the optical solar reflector. (a) Array graph; (b) Top view of individual unit; (c) Side view of individual unit
Fig. 2. Spectral absorption of OSR on the AZO metasurface and blackbody radiation density distributions at 300 K and 5777 K
Fig. 3. Spectral absorption curves of OSR for the AZO metasurface period p of 1.1 µm, 1.3 µm, and 1.5 µm, respectively
Fig. 4. Electric field distributions of OSR at different feature scales for AZO metasurfaces
Fig. 5. Absorption spectra of the structure at dimensions of l = 1.1 µm, 1.2 µm, 1.25 µm, and 1.3 µm, respectively
Fig. 6. Absorption spectra of dielectric-layer thicknesses of 1.2 µm, 1.4 µm, 1.6 µm, and 1.8 µm, respectively
Fig. 7. Absorption spectra corresponding to TE polarization and TM polarization at normal incidence
Fig. 8. Absorption spectra at different angles of incidence for TE polarization
Fig. 9. Absorption spectra at different angles of incidence for TM polarization
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Table 1. Absorption rate α, emission rate ε, and absorption-to-emission α/ε of the metasurface for different size cases
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Table 2. Absorption-to-emission ratios for different dielectric-layer thicknesses
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Table 3. Absorption rate α and emission rate ε for different angles of incidence at TE polarization
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Table 4. Absorption rate α and emission rate ε for different angles of incidence at TM polarization
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