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The proposed dielectric particle with a thin metallic rod inside and the EM responses. (a) Unit cell configuration. (b) EM responses at , in which a strong electric resonance is observed. (c) EM responses at , in which a strong magnetic resonance is observed.
The comparison of measurement and simulation results of reflection coefficients when the height of metallic rod is 3.5, 5.8, and . The inset is the photograph of the tunable dielectric-metal particle.
The retrieved effective refraction indexes of the proposed dielectric metamaterial from measured and simulated parameters when .
The retrieved real parts of refraction indexes with different height of rod .
The electric field distributions inside the three lenses under the excitation of plane waves, in which the deflecting property is observed.
The electric field distributions inside the larger lenses under the excitation of plane waves, in which the focusing property is observed.
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