Research Article
Realization of Multimode OAM Beams with Almost the Same Divergence Angles
Table 3
Excitation amplitude and phase of various modes.
| | Feeding ports | Amplitude | Phase (°) |
| | 1 | | 1,1 | 90 0 | | −1 | | 1,1 | 0 90 | | 2 | | 1,1 | 90 0 | | −2 | | 1,1 | 0 90 | | 3 | | 1,1,1,1 | 90 90 0 0 | | −3 | | 1,1,1,1 | 0 0 90 90 | | 4 | | 1,1,1,1 | 90 0 0 90 | | −4 | | 1,1,1,1 | 0 90 90 0 |
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