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Spoof Surface Plasmon Polaritons
In article number 1600316, Jia Yuan Yin, Tie Jun Cui, and co‐workers propose a novel way to generate microwave vortex beams by spoof surface plasmon polaritons. Beam emitting is accomplished through circular patches, whose role is not only the radiation units, but also resonators giving rise to the phase shifts required by the vortex beam. Different orbital angular...
Since orbital angular momentum (OAM) being investigated intensively in the optical region, there have been growing interests in employing OAM to solve the problem in wireless communications as a new method. It is found that the independence between different OAM modes is crucial to wireless communications. Motivated by the tremendous potential of OAM in communication systems, a novel method to generate...
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