Metal-Only Transmitarray Based on C-Shaped Slot
Résumé
This paper presents a novel design of metal-only transmitarray using unit-cells based on C-shaped slots. The unit-cell consists of four identical layers separated by a quarter-wavelength spacer at 20 GHz (3.75 mm). The phase variation reaches 360° by varying the inner radius of the slot. An example of linearly-polarized transmitarray is provided to validate this concept at K-band for satellite communications in the down-link band.
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