Table 1 Comparison of the proposed work with previously demonstrated THz works.
Refs | Operating bands | Phase resolution | Polarization insensitivity | Band width in (THz) | Polarization | Bifunctionalities |
|---|---|---|---|---|---|---|
1 | 2-bit | No | 0.8–1.3 | Linear | Beam Shaping and deflection | |
2 | 1-bit in L.B, 2-bit in H.B | No | 0.75–0.9 in L.B and 1–1.2 in H.B | Linear | Beam splitting, deflection | |
1 | 3-bit | No | 0.6–1.4 | Linear | Beam deflection, PW–SW conversion | |
1 | 1-bit | No | 0.38–43 | Linear | Beam shaping, OAM beam generation | |
1 | 3-bit | No | 2.4–4.8 | Circular | Beam shaping, OAM beam generation | |
1 | 3-bit | No | 0.8–1.8 | Circular | Beam shaping/deflection, RCS reduction | |
This work | 2 | 2-bit in L.B and 2-bit in H.B | Yes | 0.53–0.73 in L.B and 1.2–1.45 in H.B | Linear | Beam shaping/deflection, OAM, PW–SW conversion and all others 2-bit bi-functionalities |
