Xiaoqi Zhang, Fengping Yan, Xuemei Du, Wei Wang, Min Zhang. Water-Based Broadband Metamaterial Absorber Insensitive to Angle and Temperature[J]. Chinese Journal of Lasers, 2021, 48(16): 1613002
- Chinese Journal of Lasers
- Vol. 48, Issue 16, 1613002 (2021)
Fig. 1. Metamaterial absorbing structure. (a) Unit cell; (b) top view of middle layer; (c) overall structure
Fig. 2. Complex permittivity at different temperature
Fig. 3. Absorptivity curve of water-based metamaterial absorber
Fig. 4. Absorptivity curves of resin shell, full water layer, and annular water column
Fig. 5. Equivalent complex impedance of metamaterial absorber
Fig. 6. Vector field distributions of metamaterial absorber. (a) Electric field distributions; (b) magnetic field distributions; (c) power loss density
Fig. 7. Absorptivity of metamaterial absorber with different incident angles. (a) TE polarization; (b) TM polarization
Fig. 8. Absorptivity of metamaterial absorber at different polarization angles
Fig. 9. Absorptivity of absorber at different temperature
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Table 1. Comparison of several same type of absorbers and proposed absorber
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