Guangsheng Deng, Wenqing Chen, Zhenchun Yu, Jun Yang, Zhiping Yin. Broadband High-Power Microwave Absorber Based on Water-Based Metamaterial[J]. Chinese Journal of Lasers, 2022, 49(21): 2103001
- Chinese Journal of Lasers
- Vol. 49, Issue 21, 2103001 (2022)
Fig. 1. Schematics of absorber based on water-based metamaterial. (a) Unit structure; (b) diagram of water cavity; (c) side view of unit; (d) top view of unit
Fig. 2. Fabrication and measurement of sample. (a) Sample；(b) experiment platform
Fig. 3. Spectra of reflection and absorption. (a) Simulated and measured reflectance spectra; (b) simulated and measured absorption spectra
Fig. 4. Equivalent impedance of absorber
Fig. 5. Field distributions of water-based metamaterial absorber at peak absorption frequency of 28.28 GHz. (a) Electric field distribution; (b) magnetic field distribution; (c) power loss density distribution
Fig. 6. Absorption spectra under different material parameters
Fig. 7. Influence of structure and material parameters on absorption spectra of absorber. (a) Width of internal medium layer；(b) cross-sectional area of water cavity; (c) water temperature
Fig. 8. Effect of polarization angle on absorption spectrum of absorber. (a) Simulated results; (b) test results
Fig. 9. Effect of incident angle on absorption spectrum of absorber under TE polarization. (a) Simulated results; (b) test results
Fig. 10. Effect of incident angle on absorption spectrum of absorber under TM polarization. (a) Simulated results; (b) test results
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