Lu Zhu, Yang Wang, Guang Xiong, Yuanyuan Liu, Chaozheng Yue. Design and Absorption Characteristics of Broadband Nano-Metamaterial Solar Absorber[J]. Acta Optica Sinica, 2017, 37(9): 0923001
- Acta Optica Sinica
- Vol. 37, Issue 9, 0923001 (2017)
Fig. 1. (a) Structure schematic of the nano-metamaterial absorber; (b) top view of the absorber unit; (c) side view of the absorber unit
Fig. 2. (a) Top view and (b) side view of the dual hexagon unit with Au/Si/Au stack; (c) structure of dipole resonance
Fig. 3. Equivalent circuit model of the dipole resonance structure. (a) Equivalent circuit diagram of magnetic resonance; (b) equivalent circuit diagram of electric resonance
Fig. 4. (a) Transmission spectrum and (b) absorption spectrum of the dual hexagon structure with Au/Si/Au stack
Fig. 5. Absorption spectra. (a) Different structure; (b) different height h of hexagonal pillar
Fig. 6. Absorption spectra. (a) Different ring pillar height h1; (b) different period p
Fig. 7. Absorption spectra. (a) Different polarization angles; (b) different incident angles
Fig. 8. Electric field |Ex| distribution at y=0 plane. (a) λ=400 nm; (b) λ=650 nm; (c) λ=700 nm; (d) λ=1000 nm; (e) λ=1300 nm; (f) λ=1500 nm
Fig. 9. Magnetic field |Hy| distribution at y=0 plane. (a) λ=400 nm; (b) λ=650 nm; (c) λ=700 nm; (d) λ=1000 nm; (e) λ=1300 nm; (f) λ=1500 nm
Fig. 10. Electric field |Ex| distribution at z=960 nm plane. (a) λ=400 nm; (b) λ=650 nm; (c) λ=700 nm; (d) λ=1000 nm; (e) λ=1300 nm; (f) λ=1500 nm
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