Chao-Hui WANG, He-Xiu XU, Zhi-Chao PANG, Ming-Zhao WANG, Shao-Jie WANG. 3D-printed conformal metasurface invisibility cloak with arbitrary boundary[J]. Journal of Infrared and Millimeter Waves, 2022, 41(1): 2021282
- Journal of Infrared and Millimeter Waves
- Vol. 41, Issue 1, 2021282 (2022)
Fig. 1. Function scheme of the conformal metasurface invisibility cloak
Fig. 2. The concept of the conformal metasurface invisibility cloak.（a）the reflective wave of a metallic ground，（b）the reflective wave of a conformal metasurface invisibility cloak
Fig. 3. Meta-atom and electromagnetic（EM）response，（a）schematic of Meta-atom，（b）the reflection phase and amplitude of the meta-atom at 13 GHz for different incident angles
Fig. 4. The structure of conformal metasurface invisibility cloak，（a）forty different unit cells in one period，（b）the phase of meta-atoms for different locations，（c）the total structure of invisibility cloak，（d）three-layer different structures
Fig. 5. Far field and near field E-field distributions of three different objectives under normal incidence for x-polarized wave，（a，b，c）far field E-field distributions，（d，e，f）near field E-field distributions
Fig. 6. Far field and near field E-field distributions of three different objectives under oblique incidence of 15°for x- polarized wave，（a，b，c）far field E-field distributions，（d，e，f）near field E-field distributions
Fig. 7. Far field and near field E-field distributions of conformal metasurface invisibility cloak under oblique incidence of 0°and 15° for y- polarized wave，（a，b）far field E-field distributions，（c，d）near field E-field distributions
Fig. 8. Fabrication process of the conformal metasurface invisibility cloak
Fig. 9. （a）Far field experiment platform，（b）near field experiment platform
Fig. 10. The measured far field E-field results of cloak under oblique incidence of 0°and 15°for x-polarized（a，b）and y-polarized（c，d）wave
Fig. 11. The measured near field E-field results of invisibility cloak under normal incidence for x-polarized（a）and y-polarized（c）wave
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