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. 2016 Sep 23;6:33482. doi: 10.1038/srep33482

Figure 3. Simulation results showing the intensity, phase, and OAM spectrum of the direct path OAM beam, reflected path OAM beam, and the actual beam at the receiver.

Figure 3

The actual beam is the superposition of the direct OAM and the reflected OAM beams. Because the reflected OAM beam is along the off-axis, it is no longer orthogonal to the OAM beams in the direct path and is likely to cause both inter-channel and intra-channel crosstalk at the receiver. The white solid line represents the reflector.